Specification and Test Methodology
Cooler Master Silencio 652S Specification |
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| Model Number | SIL-652-KKN2 | |
| Available Colour | Midnight Black | |
| Materials | Polymer, Steel | |
| Dimensions (W x H x D) | 220mm x 507mm x 509mm | |
| Net Weight | 10.4kg | |
| M/B Type | microATX, ATX | |
| 5.25in Drive Bays | 3 (exposed) | |
| 3.5in Drive Bays | 9 (hidden; 7 in the HDD/SSD combo cage, 1 at the bottom, 1 in the ODD cage by adapter) | |
| 2.5in Drive Bays | 10 (hidden; 7 in the HDD/SSD combo cages, 1 under the ODD cage, 1 behind the M/B tray,1 at the bottom) | |
| I/O Panel | USB 3.0 x 2, USB 2.0 x 2, Audio x 1 (supports AC97 / HD Audio), Mic x 1, SD card reader (Class 10) x 1 | |
| Expansion Slots | 7+1 | |
| Cooling System | Top: 180/200mm fan x 1, or 120/140mm fan x 2 (optional) Front: 120mm Silencio FP 120 fan x 2 (installed; 11±1 dBA, 1200±200 RPM) Rear: 120mm Silencio FP 120 fan x 1 (installed; 11±1 dBA, 1200±200 RPM) Side: 180/200mm fan x 1 (optional) Bottom: 120/180mm fan x 1 (optional) HDD cage: 120mm fan x 1 (optional) |
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| Power Supply Type | Standard ATX PS2 | |
| Maximum Compatibility | VGA card length: 423 mm CPU cooler height: 168mm |
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HEXUS Chassis Test Bench |
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|---|---|---|---|
| Hardware Components | HEXUS Review | Product Page | |
| Processor | Intel Core i5-3570K (quad-core, overclocked up to 4.40GHz) | April 2012 | Intel.com |
| CPU Cooler | be quiet! Dark Rock 3 | - | Bequiet.com |
| Motherboard | Asus Sabertooth Z77 | - | Asus.com |
| Memory | 8GB G.Skill Ripjaws-X (2x4GB) DDR3 @ 1,600MHz | - | Gskill.com |
| Graphics Card | 2x EVGA GeForce GTX 970 SSC in SLI (2x 4GB) | April 2015 | EVGA.com |
| Power Supply | be quiet! Dark Power Pro 10 (750W) | July 2012 | Bequiet.com |
| Storage Device | 120GB SanDisk Extreme SSD | March 2012 | Sandisk.co.uk |
| Monitor | Philips Brilliance 4K Ultra HD LED (288P6LJEB/00) | - | Philips.co.uk |
| Operating system | Windows 8.1 (64-bit) | October 2012 | Microsoft.com |
Test Methodology
To get a truer feel of how today's latest chassis perform, we've revamped our test platform to better illustrate the noise levels and heat build up of a modern-day build. Most chassis become hot and noisy when attempting to cool our previous platform, which consisted of dual Radeon HD 7950 graphics cards, so we've refreshed our GPUs, CPU cooler and PSU to offer a more accurate depiction of the current hardware landscape.
Our Z77 test platform now consists of an ASUS Sabertooth motherboard, an Intel Core i5-3570K processor overclocked to 4.4GHz, a be quiet! Dark Rock 3 CPU cooler, 8GB of G.Skill Ripjaws-X memory and two factory-overclocked EVGA GeForce GTX 970 SSC graphics cards in an SLI configuration.
To find out how well the chassis can cool this particular setup, we log CPU temperature while encoding a large 4K video clip. This task puts full load on all available CPU cores and we extend the stress test by carrying out multiple passes. In order to provide a stabilised reading we then calculate an average temperature across all cores from the last five minutes of encoding.
To get an idea of graphics-card cooling performance, we log GPU temperature while playing Tomb Raider at a 4K resolution with Ultra quality settings and SLI enabled. Last but not least, we also measure chassis noise by using a PCE-318 noise meter to take readings when idle and while gaming.
All chassis are tested only with the standard manufacturer-supplied fans (any/all of which are set to 'silent' in the Asus BIOS or low-speed using a fan controller if present), and to take into account the fluctuating ambient temperature, our graphs depict both actual and delta temperature - the latter is the actual CPU/GPU temperature minus the ambient. For the record, the ambient temperature while testing the Cooler Master Silencio 652S was recorded as 18.2ºC.