 Specifications
| Product Number |
RC-650-KKN1 |
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| Available Color |
Full Midnight Black |
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| Material |
Aluminum Alloy, Synthetics, Steel |
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| Dimension (W / H / D) |
207 x 479 x 525.6mm / 8.1 x 18.8 x 20.7 inch |
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| Weight |
13.0 kg / 28.6 lb M/B Type Micro-ATX, ATX |
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| 5.25" Drive Bay |
3 (w/o the use of exposed 3.5" drive bay) |
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| 3.5" Drive Bay |
7 (hidden) + 1 (for X-Dock bay) |
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| 2.5" SATA HDD Drive Bay |
2 (hidden) +1 (for X-Dock bay) |
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| I/O Panel |
USB 3.0 x 2 (int.), USB 2.0 x 2, Mic x 1, Audio x 1 (supports AC97/HD Audio), SD card reader x 1 |
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| Expansion Slots |
7+1 |
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| Cooling System |
Front: 120mm fan x 2, 1200 RPM, 17 dBA / 140mm fan x 1 (optional)
Top: 120mm or 140mm fan x 1 (optional)
Rear: 120mm fan x 1, 1200 RPM, 17 dBA
Bottom: 120mm fan x 1 (optional)
HDD cage: 120mm fan x 1 (optional, on removable HDD cage) |
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| Power Supply |
Standard ATX PS2 / EPS 12V Maximum Compatibility |
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| VGA card length |
268.0 mm / 10.5 inch (with HDD cage)
434.0 mm / 17.1 inch (without HDD cage) |
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| CPU cooler height |
168.0 mm / 6.6 inch |
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| EAN Code |
4719512037713 |
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Gallery
Disclaimer: Images are for informative purposes only; displayed parts and accessories may not be included in the actual product package.
Gold Award at Vortez Hardware
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We’ve reached the end of the review – so how is Silencio 650? Does it bring silence? How is cooling?
Aesthetically 650 is a very nice computer chassis. Cooler Master have hit the nail on the head with styling, I really like how this chassis looks with its diamond precision cut aluminium front and sleek design.
650’s feature-set is where it also shines; this elegant chassis has a two-speed fan controller, SD card reader, dual boot switch, hot swappable HDD and more. To top this off build quality inside is very good and is laden with tool-less mechanisms for installing kit.
Being part of the Silencio Series, Silence is obviously a key characteristic and it is successful in achieving silence – a combination of low noise fans, closed panels and foam padding helps to reduce noise levels down to almost being inaudible.
Compared to other similar alternatives, 650 is at the higher end in terms of pricing. At £105inc. VAT, 650 is £20 more than other rival silent mid-tower chassis. It’s certainly worth the money but could benefit from a slight price drop to keep it in line with competitors.
Silencio 650 achieves what it sets out to; silence. Styling, build quality and features are very good and we would recommend this chassis to anyone who is looking for a quality, quiet mid-tower that boasts many useful features.
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Silence Award at Overclock3D
Silver Award at Overclock3D
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If you've read the rest of the review you'll already have a good idea about what we're going to be saying here. If you haven't, then shame on you for skipping to the conclusion page. First then is to agree that this case is not out there to compete with the balls out gaming cases with massive ventilation and options for water cooling. No, it's designed to sit on you desk, looking cool and quietly going about it's business. That's not to say it doesn't have the capability to house a top end system and large GPUs, it can, and it does. The 650 is perhaps the case for the more mature gamer, or maybe the chap (or chapess) who out of necessity has to home their PC in their lounge or dining room where having something sleek and elegant won't make it stand out like a turd in a punch bowl.
Aesthetics wise then, we can pretty much agree that this is a mature sleek unit. Even the front I/O panel and rear vent have simple and elegant sliding covers to keep the contents from offending us. The lines of the side panel and front of the case are not be-spoiled by the intrusion of windows or fan mounts, and not a glimpse of hex mesh is to be seen. Quality is good as we've come to expect with Cooler Master products, with no rough edges or imperfections of any sort. The thick Aluminium front door closes with a reassuring magnetic click, and should you want to swap things about, it can even be hinged on the alternate side. Behind the front door lies a comprehensive fan filtering system nestled beneath three 5.25" bays one of which offers hot swap capabilities for 3.5" and 2.5" drives. Inside the case, things aren't quite so rosy, with a less than ideal layout of the cable management holes, and a bit of a sparsity of cable tie points around back. That said, you will be able to lob in a decent cooler (up to 168mm in height), and should have no trouble housing a large GPU should you so desire. Ample storage is provided by 7 HDD bays, 2 of which benefit from hot swap functionality. The upper rack, holding a maximum of 4 HDDs can be rotated 90 degrees, or removed completely, upping the max GPU length available from 10.5" to 17.1". Down in the rear corner we find the home of the PSU Ample rubber isolation pads mean that you will be able to slot in the largest of PSUs, but beware covering up the bottom cable management holes as they're your only way in and out for a great many of your cables. Seven expansion bays and an additional vertical bay for those devices not requiring motherboard connection should be plenty for most users and a brace of tubing routing holes enable external water cooling set ups to be used if you absolutely have to ruin the looks of the case.
The build itself was a simple enough affair, but we were left a little wanting for cable tie mounts and were more than a little perplexed by the layout of the routing holes, albeit with some of the best quality grommets we've seen. The absence of a lower hole along the vertical edge of the motherboard, and the location of the only hole along the base of the motherboard being quite posterior relative to the PSU meant that that lower hole became very crowded indeed. Not only would all the power cables leave through it, but all the front I/O cables would have to enter through it also.
In use the Silencio 650 is a delight, and it's here that it really comes into it's own. The extensive use of high density foam sound proofing combined with a high build quality throughout and the use of very quiet fans (17dB-A at 1200rpm) means that what we have on our desk top is as close as we've heard to a silent PC. It even manages to pretty much muffle the noise of the fan on our test GPU.
The Silencio 650 is far from perfect but it does come close. Aside from the issues we have mentioned above there are a few thorns in its side in the form of the Corsair 550 and the Fractal define R4. Both the Cooler Master and the Corsair can be had for similar money, with the R4 offering it's silence for in the region of £30 less. The R4 is a good case in it's own right and with regards value for money perhaps has the two more expensive cases beaten. That said, the Corsair and the Cooler Master do offer more for your money with additional features and arguably higher build quality. Whether you go for the R4, the Cooler Master or the Corsair will depend a great deal on personal preference and finances. They are all sleek, they are sexy, and are very well build and they are all very quiet. They have about the same amount of storage and can accommodate the same size coolers and GPUs. The Corsair has better cable management and more cable tie mounts with more management holes in more sensible places, but then the the Cooler Master has more features. It offers hot swap and dual boot, it has a fan controller where the 550 doesn't.
We're not going to tell you which of these to buy, that's not our role. What we will say is that if you get the Silencio 650 you won't be disappointed. It's sleek, it's elegant, it's well made, it's quiet and it can house a decent gaming rig without getting so hot the paint melts off the outside. Subjectively we would award this case a gold as we like it a lot however objectively, and as Cooler Master have not entirely addressed all the weaknessess of the Silencio 550 the main one of which was the cable management we can really only offer a silver. Close, damn close. It does however receive the Silence award for what is undeniably fantastic sonic performance.
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Editors Choice at eTeknix
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Now that I’ve finished the build and spent a little time with the Silencio 650, I do have a couple of issues with it, but I must stress that they are minor issues. The first would be the cable management, as demonstrated in some of our photos once the build was complete, the system actually looked fairly neat up front, even with the cables stuffed under the hard drive trays, but for a system that is as wide as this one, with such large cut-outs for cable routing, I can’t figure out why there is 1cm of clearance around the back of the mother board, meaning anything like a thick molex plug can prevent you from putting the side panel on, even harder when you remember the back panel is covered in a thick foam. But again, a minor issue, which with a little more forward thought on cable management, is a resolvable issue, albeit one that doesn’t have much of an impact regardless because once the side panel is on, no one can see inside the chassis. The next issue is airflow, its not really a problem, but it could be if you don’t think long and hard about what you build into this system, with two 120mm fans in the front, getting air into the system through the side vents, or a little more should you open the front panel door, there isn’t much to work with, I would highly recommend the installation of a 3rd 120mm fan in the base of the chassis to help draw some more cool air into you system. While it is great that there is room for a 120mm fan in the top of the chassis and cover for it, opening the cover will obviously have an effect on the silent performance on the system, but very necessary, because if your computer needs to breath, you need to let it. Things are shut up pretty tight in this chassis, its built to the highest degree of quality, so getting that air flow right is vital to doing this chassis justice, with the right combination of fans, CPU cooler and graphics card you can have a very slick, very stylish stealth system on your hands, even with our components installed the system was inaudible after initial boot. This would make a great (and silent) HTPC build, for those that don’t want to go down the M-ITX route, with the addition of the HDD boot switch allowing you to dual boot from separate hard drives at the flick of a switch, such as one drive with Linux for media centre, one with Windows for everything else, what ever takes your fancy. Its little touches like the drive switch, the delicate attention to detail on what at first seems like a flat slab of metal, the heavy duty sound proofing and of course the fact it performs more than well enough to justify its £110 price tag, which is why I am happy to award the Silencio 650 our Editors Choice Award.
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Worth Buying Award at Kitguru
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The Cooler Master Silencio 650 is a case that will suit the growing audience who no longer wish to deal with excessive fan cooling noise. In keeping with high Cooler Master standards, the case construction is fantastic. The purpose of this chassis design is to lower noise emissions as far as possible and in this regard Cooler Master have succeeded. The air flow throughout the chassis isn’t particularly intensive however, so if you are building a high performance, heavily overclocked system then other options would be more viable long term. Cooler Master have placed a lot of effort into the design and construction of this sound proofed chassis. This is immediately evident from the sleek air vents on the front panel, surrounding the door and a very high grade removable air filter that covers the dual intake fans. The sliding cover concept works well, lowering noise even further and ensuring that prying hands can’t get access to the ports and vents. If the room is particularly warm, then the rear cover can be opened to improve air flow. For a general enthusiast grade system build, the Silencio 650 has many features to recommend it, primarily the extremely low level of noise emissions. It will certainly appeal to people who want to build a capable, yet silent system. There is also the option to swap out the fans for slightly more powerful units, if you wish to try your hand at some higher level overclocking.
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Recommended Award at Guru3D
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I already said it, nothing is more personal than a specific design, we feel it is tasteful and not you average LED lit logo empowered chassis, and the overall feature package is good. A good amount of USB ports, an included card reader, the X-dock, the dual-boot feature, thew sound dampening, three silent fans, a fan controller .. well the list goes on and on. Combined with decent chassis space inside and the low noise levels this chassis might just be what the doctor ordered. Very much recommended, but we do hope to see that pricing go down a little.
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