Review Sony Vaio VPC-SB4X9EB Notebook

Last year, the SB series bundled some revolutionary ideas that Sony made for their future mainstream notebook range so to create a very affordable, attractive package. These ideas were inspired by the success of inexpensive subnotebooks from the competition, which offered average-speed hardware alongside a long battery runtime. TOSHIBA Satellite L775 battery However, graphics performance wasn't to be completely left on the wayside either. Sony responded to this with a hardware button that enabled the user to switch between the energy-efficient, integrated graphics unit from Intel and the dedicated and faster graphics card from AMD, according to the desired application field.

Today, when most notebooks switch between the dedicated and integrated graphics fully automatically according to the load, Sony stays true to itself and the hardware button on the VPC-SB4X. This shows just how fast innovative alterations become a standard feature in the computer world. TOSHIBA Satellite L775D battery This doesn't have to be a disadvantage for Sony. It can rather be a purchase decision - for users who want to decide for themselves how the laptop is supposed to work.

But now the important question: What new features does the latest scion sport?

Case

For starters - nothing has changed in the 2012 model compared to the 2011 device in this point. Thus, Sony keeps all pros and cons of the predecessor in its new lightweight. More details about the case can be found in the review of its forerunner. In following, a summary of the most important facts:

TOSHIBA Satellite M30 battery The non-slip and very elegant looking, around 1.7 kg light and almost 2.4 cm thin case knows how to impress with familiar design gimmicks. The smooth, metallic processing of the plastic surface in the wrist rest area pleases with fingerprint resistance. In contrast to that, the rough magnesium lid captures every touch and presents them in bright ambient light (but not too obviously). The stability of the delicately designed lid doesn't convince completely - regardless whether it is the pressure resistance of some surfaces or the spongy hinges that allow the screen to wobble. If you don't need a portable rock, you will certainly take a liking to the stylish chassis. TOSHIBA Satellite M301 battery

Performance

Last year's device (pre-series model) was still equipped with a Core i5 2520M, which continues to be available in Sony's online configurator, along with other similar processors such as the Core i3 processors (also in review). However, the Core i5 2450M that has become very popular among manufacturers is in our test device. It has an almost identical set up (Turbo Boost is only 100 MHz lower with 3.1 GHz) and it promises swift processing at a moderate price. TOSHIBA Satellite M302 battery The conventional 640 GB hard disk offers a sufficient memory capacity. But considering that at least half a dozen so-called ultrabooks were unleashed into the notebook world last year, and that some are more than EUR 200 cheaper although they partly offer a similar configuration and a swift, shock-proof SSD drive, it is important to compare and consider personal preferences before buying.

Processor

TOSHIBA Satellite M305 battery The technical specifications of the Core i5 2450M are quite state of the art. The dual core processor supports a default clock of 2.5 GHz and Turbo Boost up to 3.1 GHz. In addition to that, it features Hyper Threading which enables calculating two processing threads per clock and core at the same time. Sony squeezes every last MHz of clock speed out of the 2450M. The strict separation in speed or stamina (= endurance) via hardware button pays off here. As the Cinebench R10 proves in single core rendering, the dual core in the little Vaio achieves a score that can compete with the next fastest processor, the 2520M or even Intel's entry-level quad core processor, the Core i7 2670 QM. TOSHIBA Satellite M306 battery

When flipping the switch, you notice that no compromises are made - when it says speed, it means speed – at least in terms of CPU power, but more about that later. It is evident in the little Sony that Turbo Boost is fully exploited in the single core tests, where only one processor core is loaded. The loaded core then calculates with 3.1 GHz. However, the score in the 64 bit Cinebench R11 (approx. 7% lower than with the same processor in other devices) shows quite well that throttling sets in and stops both cores at 2.2 GHz to prevent overheating when the device is warm (the test was performed at the end of the CPU benchmarks) and both cores were loaded to capacity. TOSHIBA Satellite M307 battery In any case, the overall ranking of 65 (from 683 tested notebooks at the time of the review) is impressive in Cinebench R10 64 bit's Shading run. Even 17" quad core behemoths that feature a professional graphics card (HP Elitebook 8760W) lag a bit behind this Core i5 2450M and AMD Radeon 6470M combination in the OpenGL load test.

System Performance

The logical contenders of the VAIO are slim 13.3" subnotebooks. All currently available ultrabooks also probably belong to this category. TOSHIBA Satellite M308 battery However, you will only find an equally slim case in Apple's MacBook Pro 13 if you need a DVD drive. Acer's Aspire 3830TG would also bundle a very reasonably priced and nevertheless powerful total package, but again without a DVD drive. Compared with the efficient VAIO, both of these slim subnotebook versions configured with a conventional magnetic hard disk are slower in PCMark Vantage (by around 10%). However, especially the Acer is a lot cheaper here. Of course, its installed processor isn't as expensive, but it's not possible to save EUR 300 by ordering the same processor from Sony. TOSHIBA Satellite M310 battery However, you get a much faster 3830TG equipped with a Core i7 and a speedy SSD drive for around EUR 1100. It also achieves an approx. 84% better overall score in the total result of PCMark Vantage than for example our equally expensive VAIO. The VAIO lags behind a bit in PCMark 7. Thus, it is now the Aspire's SSD version for about the same price that is faster by a whole 120% and achieves a more than a twice as high total result - owing to the SSD and the faster processor. Even the cheap Aspire alternative is better by 2% here. TOSHIBA Satellite M311 battery

However, there's nothing to complain about subjectively. The booting process isn't really accelerated because of the conventional hard disk. Nevertheless, the notebook never makes a slow impression - providing speed mode is enabled. This brings along the disadvantage that the fan is a bit louder (the VAIO is never really silent anyway), but you notice that the full hardware performance is demanded right away. But Sony tries to extract everything out of the 49 Wh battery with all its might in "Stamina" mode and thus sacrifices a lot of the perceived speed. But we'll go in-depth about that in the battery section. TOSHIBA Satellite M320 battery

Mass Memory

The 640 GB and rather slow 5400 rpm hard disk installed in the VAIO comes from Toshiba. Seen only subjectively, it is neither very fast nor slow, but it scores awfully poor in the HDTune benchmark. With 55 MB/s, it achieves a 30% lower result in the test of the average transfer rates compared to the equally fast turning Western Digital hard disk built into the Aspire's cheaper alternative. The hard disk is also located in the lower third of the entire test field with its poor 4K read speeds (0.4 MB/s), which is especially important for starting programs or the operating system - other hard disks do a much better job here. TOSHIBA Satellite M321 battery

Graphics Solution

As in the first generation of the VPC-SB, Sony installs a dedicated graphics solution (AMD Radeon HD 6470M) in addition to the processor-integrated solution, Intel HD Graphics 3000. It can be switched via the speed button (positioned upper left). Thus, the user can choose between a long battery runtime as well as a quiet, cool device or increased processing power. The Intel solution should theoretically have sufficient processing power for everyday multimedia utilization (incl. YouTube HD videos) to present a smooth video playback. TOSHIBA Satellite M323 battery Nevertheless, the video playback jerks extremely (above all during the standardized wifi surfing test) due to the energy saving mode that goes hand in hand with activating Intel's graphics and thus affects the entire system. But more about that later.

On the other hand, the Radeon HD 6470M renders all of this smoothly, as it should be. However, its drawback is the somewhat louder fan noise. Even most games (except for hardware guzzlers) can usually be played smoothly in low to medium details. TOSHIBA Satellite M325 battery

Gaming Performance

To illustrate the graphics unit's performance more clearly graded, we opted for the latest game of the building strategy series Anno (Anno 2070). The little VAIO doesn't even come close to its limits in low settings (resolution: 1024 x 768, low details) and always supplies a smooth frame rate (40 - 60 fps). However, the game is very pixelated and quite unattractive. Thus we set it to medium details and play in the slim model's native resolution (1366 x 76 . Here, the frame rates drop to a minimum of 16 frames per second. The game isn't completely smooth with an average of 19 fps, but it is still fairly pleasant to control as long as the screen view isn't changed. TOSHIBA Satellite M326 battery

Verdict: A useful speed in low settings, but if you want to play games you'll have to buy another device. The VAIO can't hold a candle to the Aspire 3830TG, often used for comparison here, because its installed GeForce 540M is at least one performance category higher. So, if you play an occasional game and want to be mobile at the same time, you'll sooner turn to an Acer. But the VAIO wasn't made for gaming anyway. If you would like an overview of the gaming performance of various mobile graphics solutions, we would warmly recommend taking a look at our notebook gaming performance comparison. TOSHIBA Satellite M327 battery

Temperature

The maximum temperature is 42.7°C in the upper right third of the keyboard after longer maximum load. That likely won't be a problem for most users because the fingers only have to be placed there when the backspace key or power button is used. The rest of the top stays at around 32°C. The maximum temperature in the wrist rest area is pleasant 30°C. The bottom reaches a temperature of up to 50.2°C (again, in the power button area); the other areas stay lukewarm with around 35°C though. However, the VAIO is unfortunately not made for use on the lap - the vents are on the outer right where they will very likely be covered by the right knee. TOSHIBA Satellite M328 battery

When the VAIO isn't put under much load, the maximum temperature reaches 29°C (top) and 32°C (bottom) and is thus fairly cool.

Battery Life

With a minimum of 6.7 watts even in Stamina mode, the Sony treats itself to more power than for example the ultrabook contenders. Therefore it's not surprising that the lithium polymer battery's tightly measured capacity of 49 Wh is drained after only four and a half hours in the standardized wifi surf test, with enabled energy saving settings (battery can be exchanged; is located underneath the maintenance cover). We also noticed that our YouTube HD video stuttered so intensely that a new frame only appeared on the screen about every 3 seconds. TOSHIBA Satellite M332 battery Thus, we presume that the Stamina mode not only switches the graphics card, as Sony describes, but also limits the CPU in terms of speed and power input. It's logical that the performance has to be reduced for energy saving purposes, but this is not feasible. Especially, if we consider that there are less expensive devices that supply a stable performance everywhere and at all times, even in energy savings mode - and which even last longer owing to larger batteries. An example for this would be the HP Folio 13-2000. The performance is acceptable when not watching HD videos, though. The energy saving settings of the VAIO is definitely sufficient for reading your favorite e-paper in any case. TOSHIBA Satellite L750 battery Nevertheless, a step backward is noticed when compared to the first test device. The prior model lasted for about 40 minutes longer at the time.

When full power is demanded from the slim Vaio, it only runs for about an hour (58 min) before it has to go back to the power outlet. For example if you want to read an eBook without wifi and in the lowest brightness setting, you will get 6 hours and 48 minutes from the battery in the Sony (simulated with BatteryEater's Reader's benchmark). The forerunner also did a better job here and lasted almost two hours longer. TOSHIBA Satellite M336 battery

However, it is odd that Sony still supports Windows' energy plans even in Stamina mode. Thus, Windows' High Performance mode can be enabled in Stamina mode and Windows' energy saving mode can be activated in Speed mode. This could lead to disappointment in terms of battery life or performance among less experienced users. Therefore, it's important to double-check if hardware and software settings are really compatible. TOSHIBA Satellite M338 battery

Verdict

Well, the Sony VPC-SB04 looks extremely elegant and also feels that way. The keyboard is high-end and the touchpad is also impressive (except for the somewhat odd positioning of the fingerprint scanner between the click keys, which leads to unintentional activation). The delicately designed, matte black case simply looks tempting and Sony has managed to put a lot into the light device. Not many manufacturers install a DVD drive in such a slim case. And if it then even runs under Windows, the competition truly becomes scarce. Then we'll put an outdoor suitable screen on top, which should make any contemplating about the price unnecessary. TOSHIBA Satellite M339 battery

However, if you start to dig a bit deeper into the Vaio, you'll find the devil in the details. Stamina mode partly limits the performance noticeably and doesn't really supply a plus in runtime (around 4.5 hours of practical runtime).
In contrast to that, Speed mode reduces the battery runtime even more and the thus enabled AMD 6470M GPU is too weak for up-to-date games.
Here, too many compromises are made to include all features that ultrabooks offer apart from a DVD drive. If you buy an ultrabook, you buy battery runtime fused with long-lasting, mobile surfing fun. So, what makes this Sony special? TOSHIBA Satellite M500 battery

The Sony doesn't accomplish a clear purchase recommendation, already because the frequently criticized aspects of its predecessor have been maintained. Nevertheless, if you want an outdoor suitable, elegant, light and well-equipped subnotebook and can accept the aforementioned drawbacks, you can take the Sony - it is an impressive and slim overall package of a portable PC at a reasonable price.

Review Sony Vaio VPC-Z23N9E/B Subnotebook

TOSHIBA Satellite M505 battery The Z range has also been revised within the framework of the latest Sony portfolio refresh. The newest flagship (or as Sony calls it: "The Ultimate workstation") is the 13.1 inch Vaio VPCZ23N9E/B. The subnotebook weighs less than 1.2 kilograms and features an anti-reflective Full HD screen (1920 x 1020). The biggest highlight will likely be the included Power Media Dock, which offers a Blu-ray burner and the AMD Radeon HD 6650M graphics card as an external solution, in addition to a port expansion. TOSHIBA Satellite M505D battery The idea of an external graphics solution didn't quite work in the Sony Vaio VPC-Z21Q9E/B precursor. It was in particular problems with the driver that limited the fun with the lightweight considerably. Has Sony learned from mistakes and will it now show new strengths? Or do the old weaknesses still exist? The following test is to give answers.

We will deal particularly with the modifications in this review. We would refer to the in-depth review of the previous model, the Sony Vaio VPC-Z21Q9E/B, for information about identical components.

Case

TOSHIBA Satellite M600 battery Sony relies on an elegant, timeless, black design for its premium subnotebook. No difference is seen on the outside when compared to the previous Sony Vaio VPC-Z21Q9E/B. The Japanese manufacturer still uses the carbon chassis with an aluminum wrist rest. The material is very light and thus the 13.1 incher's weight doesn't even add up to 1.2 kilograms. Fingerprints or dust aren't visible on the surface.

TOSHIBA Satellite M640 battery The display hinges do a good job. The bottom allows access to the battery. However, eight screws have to first be removed. Merely the partly insufficient stability gives reason for complaint on the case itself. Due to its construction, the chassis can be deformed with only slight pressure and emits a cracking noise. This is particularly noticed on the display lid. However, comparable notebooks that are also put on such a radical diet, for example the Toshiba Portégé Z830 Ultrabook with a total weight of only 1.1 kilograms, struggle with the same "problem zones". TOSHIBA Satellite M640D battery

Performance

As in its predecessor, Sony again relies on a dual core processor from the brand name Intel. To be precise, it is Intel's Core i7 2640M in the case of our premium subnotebook. The CPU is based on the Sandy Bridge architecture and has a clock of 2.8 GHz. Providing it is sufficiently cooled, it can be increased to 3500 MHz for a short time owing to Turbo Boost. The chip manufacturer, Intel, specifies a thermal design power of 35 watts. TOSHIBA Satellite M645 battery

Intel's HD Graphics 3000 solution is integrated on the CPU unit. The graphics card supports DirectX 10 and Shader 5.0. Consequently, it is sooner designed for Office tasks. The AMD Radeon HD 6650M, integrated in the Power Media Dock, supplies a higher graphics performance. The graphics chip supports DirectX 11 and provides 1024 MB built-in video memory. The external graphics solution core clocks with 725 MHz. It can basically be called a midrange graphics card. The graphics card is enabled automatically when the Power Media Dock is connected. Unlike the previous model, the external graphics card is now also used for the representation of the internal display. TOSHIBA Satellite P740 battery

The 13.1 incher has a total of 8192 MB DDR3 RAM available (1333 MHz). Sony also combines two solid state drives (SSD) with 256 GB each. The memories run in a RAID 0 array (performance).

Processor

We noted massive driver problems during the Cinebench test in the test with the previous model. The integrated Intel HD Graphics 3000 only supported OpenGL 1.1.0 in the older model. At least, Sony has solved this problem in its new model. According to Everest, the Intel HD Graphics 3000 GPU integrated in the CPU now supports OpenGL 3.1. TOSHIBA Satellite P745 battery The subnotebook achieved very good 5547 points in Cinebench R10 and is thus currently the best notebook with an Intel Core i7 2640M processor in our database. Thanks to Turbo Boost, the clock fluctuated between 3.2 and 3.4 GHz in the test.

The 13.1 incher also managed good 3.17 points in the Cinebench R11 CPU test. In comparison, the Apple Macbook Pro 13, with an Intel 2415M, only achieves 2.42 points. Thus, the Sony Vaio VPCZ23N9E isn't likely to run out of CPU power. TOSHIBA Satellite P745D battery

System Performance

We analyzed the system performance using the benchmarks PCMark Vantage and PCMark 7 from Futuremark. We didn't connect the Power Media Dock for this so that solely the Intel HD Graphics 3000 was enabled. The subnotebook achieved 11183 points in PCMark Vantage. In comparison, the Lenovo ThinkPad T420s 4174-PEG managed 11911 points with the same CPU and an NVS 4200M. The Sony test device places itself at the far top of our database with a score of 4252 points in PCMark 7. TOSHIBA Satellite P750 battery For comparison, the Sony Vaio VPC-Z21Q9E precursor only reached 3246 points. Sony has accomplished a significant increase here.
It's only surprising that the Sony Vaio VPC-Z23N9E/B only manages 3689 points in PCMark 7 when connected to the Power Media Dock, despite the stronger and enabled GPU (6650M).

Mass Memory

Sony relies on two solid state drives (SSD) with 256 GB each. However, they aren't two discrete mass memories, but rather a fusion of both components. Both SSDs (SAMSUNG MZRPC512HAFU-000SO) work in a RAID 0 array whereas the memories are written in parallel. Consequently, a much higher performance is possible compared to single solutions. That is also reflected in our tests. TOSHIBA Satellite P750D battery

The results in AS SSD are high. Thus, the sequential read rate was 845.19 MB/s and the sequential write rate was strong 743.19 MB/s. Sony is also the number one in our database in the latter test. The Schenker XIRIOS W710 Workstation "only" manages a read rate of 534 MB/s with the OCZ Vertex 3 (RAID 0, 2 x 120 GB).

TOSHIBA Satellite P755 battery Our Sony test device is equally the number one in AS SSD's 4K-64 read test with 410 MB/s. Its predecessor "only" achieved 191 MB/s here. The Sony Vaio VPC-Z23N9E managed 204 MB/s in the 4K-64 write test and the Schenker XIRIOS W710 Workstation has to admit defeat with its 271 MB/s. Overall, the Sony's solution convinces across the board and delivers one of the currently fastest memory solutions for notebooks in a slim 13 inch model.

Graphics Solution

TOSHIBA Satellite P755D battery As usual, we first looked closer at the graphics performance using the 3DMark range. The Power Media Dock was connected for this and consequently, the external graphics card was enabled. In 3DMark 06, the graphics card places itself in front of other notebooks equipped with a Radeon HD 6650M with 7996 points (4507 points with Intel HD Graphics 3000). For example, the Packard Bell EasyNote LS11-HR-050GE achieves 7250 points using the same graphics card and an Intel Core i5 2410M.

TOSHIBA Satellite P770 battery Only one notebook with the same graphics chip has a significant lead on our test device in the latest benchmark software 3DMark 11. The Sony Vaio VPC-Z23N9E/B achieved 1260 points while the Asus K73TA-TY022V scored 1409 points. Sony's Vaio VPC-Z21Q9E managed almost identical 1261 points in 3DMark 11 with the Radeon HD 6650M.

Gaming Performance

The AMD Radeon HD 6650M graphics card installed in the Power Media Dock belongs to the midrange GPUs and should thus be strong enough for a few games in medium detail settings. We checked whether this is really the case with the external graphics card based on three games. TOSHIBA Satellite P770D battery

We first tested the gaming performance with Mafia 2. The game is quite playable in medium detail settings and resolution with 37 frames per second. However, the Sony Vaio clearly lags behind compared with other notebooks that have the same GPU. The Lenovo G770 M533AGE manages 45 frames per second with the same graphics card (+20%).

TOSHIBA Satellite T110 battery In another test, we looked at the performance in the rally simulation Dirt 3. Here, the graphics card doesn't completely convince in High Performance. The Sony Vaio just renders 17 frames per second, while its predecessor exhibited a better performance with 22 frames. Lenovo's G770, with the same GPU, supplies 19 fps here and thus, the Z23's result is at least within the expected range for this GPU.
Curiously enough, even systems with an integrated Intel Graphics HD 3000 accomplish the same frame rates here: HP 6460b: 18 fps. It looks similar with medium presets: the Z23 can't break away from the HD 3000 division with 25 fps. Lenovo's G770 that sports the same GPU also calculates about 20% faster here with 30 fps. TOSHIBA Satellite T110D battery

The subnotebook had to show its aptness in the race game F1 2011 as the final test. The external graphics card couldn't impress us here. The system merely accomplished 24 frames per second (medium presets), which is on a par with an Intel HD Graphics 3000 (Acer Aspire 3830TG / 22 fps).
A test platform consisting of an AMD A8-3520M CPU and a 6650M graphics solution manages better 31 fps (+30%) in comparison. TOSHIBA Satellite T115 battery

Overall, the AMD Radeon HD 6650M graphics card built into the Power Media Dock makes a mediocre impression in gaming operation. The graphics card's potential isn't always exhausted, as was the case in its predecessor. Sony unfortunately doesn't supply any updated drivers that could equal performance improvements at the moment.

Temperature

TOSHIBA Satellite T130 battery The temperature development under low load remains inconspicuous. We measured a maximum of 27.1°C on the top; it reached a maximum temperature of 32.6°C on the bottom. We put the notebook to a multi-hour stress test with Prime95 and Furmark. The case temperature increased considerably here. However, this test represents an extreme situation and likely won't be reproduced in practical use. We measured 39.3°C on the top, while the device even reached a temperature of up to 47.4°C on the bottom. Nevertheless, there's nothing standing in the way of using it on the lap while performing normal office tasks. TOSHIBA Satellite T135 battery The temperatures always stay in a pleasant range here.

Many laptops experience performance issues after some time of full load. Sony's premium subnotebook is not affected. The CPU clock remains steady at 3.2 GHz in the stress test and is even above the default clock. That means it can exploit the Turbo mode even when GPU and CPU are loaded to capacity. The roaring fan apparently provides sufficient cooling reserves (CPU max. 85°C acc. to HWInfo) at the expense of the soundscape. TOSHIBA Satellite U Series battery

Battery Life

Power Consumption

The 13.3 inch Sony Vaio VPCZ23N9E/B has a relatively low power consumption in low load. Our measurements recorded a consumption of between 6.2 watts and 11 watts. The notebook's consumption increases considerably during load. Our measured peak was 61.6 Watt - that is over 10 Watt more than that of its predecessor.
The power consumption skyrockets when the Power Dock is connected. We measured a power consumption of nearly 100 W together with the previous Vaio Z21 model. This is the reason that the Power Dock comes with its own power adapter. TOSHIBA Satellite U400 battery

Battery Runtime

A flat 45 Wh battery is used in Sony's subnotebook. It had to stand up to a total of three test scenarios. First, we started the Reader's test using the BatteryEater software. We enabled the energy savings profile on the notebook and selected the minimum screen brightness for this. Additionally, all communication modules were turned off. The notebook lasted for good eight hours, but that is still an hour less than its precursor. TOSHIBA Satellite U405 battery
We set the screen brightness to a pleasant level (~150 cd/m2), enabled wifi and simulated everyday surfing in a more realistic test. Here, the Sony Vaio shut down after 6 hours and 6 minutes.
We determined the battery runtime in a load situation in the last test. We again used BatteryEater, but this time the Classic test. Here, we enabled the High Performance profile, set the brightness to maximum and turned on all communication modules. The power adapter had to be connected a lot sooner. Sony's subnotebook only lasted for 58 minutes. The aforementioned stronger additional battery can be acquired if you'd like a longer battery runtime.
As a side note, the Power Media Dock is only available on AC power. TOSHIBA Satellite U405D battery

Battery Runtime

A flat 45 Wh battery is used in Sony's subnotebook. It had to stand up to a total of three test scenarios. First, we started the Reader's test using the BatteryEater software. We enabled the energy savings profile on the notebook and selected the minimum screen brightness for this. Additionally, all communication modules were turned off. The notebook lasted for good eight hours, but that is still an hour less than its precursor.
We set the screen brightness to a pleasant level (~150 cd/m2), enabled wifi and simulated everyday surfing in a more realistic test. Here, the Sony Vaio shut down after 6 hours and 6 minutes. TOSHIBA Satellite U500 battery
We determined the battery runtime in a load situation in the last test. We again used BatteryEater, but this time the Classic test. Here, we enabled the High Performance profile, set the brightness to maximum and turned on all communication modules. The power adapter had to be connected a lot sooner. Sony's subnotebook only lasted for 58 minutes. The aforementioned stronger additional battery can be acquired if you'd like a longer battery runtime.
As a side note, the Power Media Dock is only available on AC power.

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