Corsair
Obsidian 550DFractal Design
Define R4Gigabyte
Luxo M10
Dimensions
Height| 19.6" | 18.3" | 18.6" |
Width| 8.7" | 9.1" | 8.2" |
Depth| 20.9" | 21.1" | 19.5" |
Space Above
Motherboard1.1" | 1.2" | 0.3" |
Card Length| 13.0-17.9"** | 12.1-17.1"**^ | 17.3" |
Weight| 20.9 Pounds | 26.5 Pounds | 13.0 Pounds |
Cooling
Front Fans
(alternatives)2 x 120 mm (None) | 1 x 140 mm (2 x 140 mm) | 1 x 120 mm (None) |
Rear Fans
(alternatives)1 x 120 mm (1 x 140 mm) | 1 x 140 mm (1 x 140/120 mm) | 1 x 120 mm (1 x 92/80 mm) |
Top Fans
(alternatives)None (2 x 140/120 mm) | None (2 x 140/120 mm) | 2 x 120 mm (None) |
Left Side
(alternatives)None (2 x 140/120 mm, 1 x 200 mm) | None (1 x 140/120 mm) | None (None) |
Right Side
(alternatives)None (None) | None (None) | 2 x 120 mm (None) |
Drive Bays
5.25" External| Four | Two | Three |
3.5" External| None | None | None |
3.5" Internal| Six | Eight | Nine |
2.5" Internal| Six* | Eight* | None |
Card Slots| Eight | Seven+1 | Seven |
Noise Dampening
Sides| Foam | Cloth/Mat | None |
Top| None | Foam | None |
Front| Foam | Foam | None |
Price| $122 | $110 | $86 |
*Shared on 3.5" tray
**w/o Center Cage
***By Adapter on 3.5" External Backplane
^Slots 1-6


















































Test System Configuration
CPU| Intel Core i7-3960X (Sandy Bridge-E), 6C/12T @ 4.25 GHz (34 x 125 MHz, 1.40 V Core) |
CPU Cooler| Coolink Corator DS 120 mm Tower |
MotherboardAsus P9X79 WS: LGA 2011, Intel X79 Express, Firmware 0603 (11-11-2011) O/C @ 125 MHz BCLK |
RAMG.Skill F3-17600CL9Q-16GBXLD 16 GB (4 x 4 GB) DDR3-2200 Benchmarked at DDR3-1600 CAS 9 defaults |
GraphicsNvidia GeForce GTX 580: 772 MHz GPU, GDDR5-4008 Maximum Fan for Thermal Tests, SLI |
Hard Drives| Samsung 470 Series MZ5PA256HMDR, 256 GB SSD |
Sound| Integrated HD Audio |
Network| Integrated Gigabit Networking |
PowerSeasonic X760 SS-760KM ATX12V v2.3, EPS12V, 80 PLUS Gold |
Software
OS| Microsoft Windows 7 Ultimate (64-bit) |
Graphics| Nvidia GeForce 296.10 WHQL |
Chipset| Intel INF 9.2.3.1020 |



Benchmark Configuration
Prime95 v25.8| 64-bit executable, Small FFTs, 11 threads |
3DMark 11| Version: 1.0.1.0, Extreme Preset: Graphics Test 1, Looped |
Real Temp 3.40| Average of maximum core readings at full CPU load |
Galaxy CM-140 SPL Meter| Tested at 1/2 m, corrected to 1 m (-6 dB), dBA weighting |
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