System Builder Marathon, June 2011: Alternative $2000 PC

Test Settings

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Test Hardware Configurations
Row 0 - Cell 0 Current $2000 PCOriginal $2000 PC
CaseCooler Master HAF X RC-942-KKN1Lian-Li PC-9F
OpticalLG WH12LS30 BD-RE, 12x BD-R, 16x DVD±RLG WH10LS30 BD-RE, 10x BD-R, 16x DVD±R
Motherboard (Overclock)ASRock Z68 Extreme4: LGA 1155, Intel Z68 Express100.1 MHz BCLK
Processor (Overclock)Intel Core i7-2600K: 3.40 GHz, Four Physical CoresO/C to to 4.70 GHz, 1.38 V
Memory (Overclock)8 GB G.Skill DDR3-1600: CAS 8-8-8-24O/C at 1.6 V to DDR3-1602 CL 8-8-8-24
Graphics (Overclock)2 x MSI R6970-2PM2D2GD5: 880 MHz GPU,  GDDR5-5500O/C to 950 MHz, GDDR5-5800
CPU CoolerXigmatek Gaia SD1283
Hard Drive2 x A-Data S599 SSD, Striped: 64 GB  x2 (128 GB Combined)
PowerSeasonic SS-850HT: 850 W, ATX12V v2.31, 80 PLUS Silver
Software
OSMicrosoft Windows 7 Ultimate x64
GraphicsAMD Catalyst 11.5
ChipsetIntel INF 9.2.0.1030

With so much hardware shared between systems, only sub-zero cooling or dangerously-high voltage levels could have improved the overclocking capability of our processor. With all benchmarks falling within the margin of error, we were instead forced to focus on cooling and noise.

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Benchmark Configuration
Prime95 v25.864-bit executable, Small FFTs, seven-threads
FurMark 1.6.5Windowed Mode, 1920x1080, 4X AA, Stability Test, Maximum temperature
RealTemp 3.40Average of maximum core readings at full CPU load
Galaxy CM-140 SPL MeterTested at 1/4m, corrected to 1 m (-12 db), dB(A) weighting
Thomas Soderstrom is a Senior Staff Editor at Tom's Hardware US. He tests and reviews cases, cooling, memory and motherboards.