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Test Settings

Dual-Channel DDR3: Who Makes The Best 4GB Kit Under $150?
  Test System Configuration
CPUIntel Core i7-870 (2.93 GHz, 8MB Shared L3 Cache)
CPU CoolerThermalright MUX-120
MotherboardEVGA P55 SLI E655, BIOS A39 (10/23/2009)
GraphicsSapphire Radeon HD 5850 1GB
725 MHz GPU, GDDR5-4000
Hard DrivesWD VelociRaptor WD30000HLFS
300MB, 10,000 RPM, 16MB Cache
SoundIntegrated HD Audio
NetworkIntegrated Gigabit Networking
PowerCorsair CMPSU-850HX 850W Modular
ATX12V v2.2, EPS12V, 80 PLUS Gold
OpticalLite-On LH-20A1L, 20X DVD±R
OSMicrosoft Windows 7 Ultimate x64
GraphicsAMD Catalyst 10.3
ChipsetIntel INF

EVGA’s P55 SLI achieved the highest memory speeds of any board we’ve tested to date, making it the best choice for pushing today’s RAM to its limit.

Intel’s Core i7-870 and Core i7-860 are the only LGA 1156 processors to support DDR3-1600 at stock base clock, giving these the flexibility to reach beyond DDR3-2400, without pushing past the base clock stability limit. Our sample came straight from the manufacturer.

Because some CPU clock change is required to exceed DDR3-1600, the only fair way to analyze memory performance is with a memory-only test. Sandra 2010 provides the bandwidth results.

  Benchmark Configuration
Stability TestMemtest86+ v1.70, single pass (~45 minutes)
Max Speed at CAS 9
Min Latency at DDR3-1600, 1333, 1066
Bandwidth TestSiSoftware Sandra Version 2010.1.16.11 Bandwidth Benchmark
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