In Search of True DDR2 Bleeding Edge Memory

OCZ DDR2-800: The Third-Fastest Test Candidate

THG is well acquainted with OCZ. Last year, we ran a number of their products through our test labs. This time, they sent us a DDR2-800 module that achieved results comparable to those we observed with Kingston's RAM device- they topped out at 984 (492 MHz) - a thoroughly respectable value - and thus demonstrated high overclocking potential. But when it came to the timing test, OCZ didn't exactly shine: Even at high input voltages of 2.2 v their modules couldn't operate at CL3.0 timings. We also noticed that the SPD values stored on the chip included only latency timings for DDR-800 (400 MHz) clock rates, rather than the more typical two- or three-tiered settings most other vendors provide.

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OCZ
Manufacturer Details
Website:ocz.com
Speed:DDR2-800 (PC6400)
Timings:CL 4.0-5-4-15
Size:512 MB (1 rank, 4 banks)single sided
Label:PC2 6400512 MB EL Dual CHPlatinum Edition XTC
Module SPD-Timings
DDR2-800 (400 MHz)CL 4.0-5-4-16
Refresh Rate:7.8 us, Self-Refresh
Voltage:1.8 - 2.0 V
Test
Test I (default):DDR2-667, CL 4.0-5-4-16, 1.8V
Test II (timing):DDR2-667, CL 4.0-4-4-12, 1.8V
Test II (overclocking):DDR2-888@984,(492 MHz) 2.2V

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