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OCZ PC2-6400 ReaperX HPC Enhanced Bandwidth 4GB Memory Review
OCZ PC2-6400 ReaperX HPC Enhanced Bandwidth 4GB Memory Review  - PCSTATS
This 4GB kit of OCZ PC2-6400 ReaperX HPC Enhanced Bandwidth dual channel memory operates at DDR2-800 speeds with timings of 4-4-3-15.
 85% Rating:   
Filed under: Memory Published:  Author: 
External Mfg. Website: OCZ Technology Jan 03 2008   C. Sun  
Home > Reviews > Memory > OCZ Technology ReaperX HPC

Overclocking the ReaperX PC2-6400

Overclocking Results:
4-4-3-15 5-5-5-18
memory speed:

1140 MHz

1240 MHz

If you're new to Overclocking and not sure what to do, check out these two excellent Guides for some pointers:
Overclocking the CPU and Memory
Overclocking the Videocard

OCZ has a good reputation in overclocking, so we're quite excited to see how far the 4GB ReaperX HPC Enhanced Bandwidth memory can be pushed.

The memory will be tested in the MSI P6N Diamond motherboard along with the Intel Core 2 Duo E6750 processor. For early testing, memory timings were set to default which is 4-4-3-15 and the memory frequency was increased in 20 MHz increments.

With 2.1V the 4GB ReaperX HPC EB memory easily cracked 1000 MHz. However to hit 1100 MHz the memory needed a slight voltage increase to 2.2V. With stock timings the memory reached a maximum speed of 1140 MHz, anything higher and the memory would cause the system to be unstable.

Loosening the memory timings to 5-5-5-15, we're quite interested to see how high the 4GB OCZ memory kit would go. With a bit more voltage the highest we could get the OCZ ReaperX HPC Enhanced Bandwidth memory kit to run was 1240 MHz, anything higher and the system would start to show instability when running benchmarks. For a 4GB memory kit though, it's definitely a good show.

Prelude to Benchmarks

The details of how the 4GB ReaperX HPC Enhanced Bandwidth DD2-800 memory test system was configured for benchmarking, including the specific hardware, software drivers, operating system and benchmark versions are indicated below. In the second column are the general specs for the reference platforms this pair of PC2-6400 DDR-2 memory is to be compared against. Please take a moment to look over PCSTATS test system configurations before moving on to the individual benchmark results.

PCSTATS Test System Configurations
test system

intel Core 2 Duo E6750

Clock Speed:

8 x 333 MHz = 2.66 GHz


MSI P6N Diamond (NF 680i)



Memory: 2GB Corsair DOMINATOR Twin2X2048-8888C4DF
2GB A-DATA Vitesta Extreme Edition DDR2-800
4GB Patriot PDC24G6400LLK
4GB OCZ ReaperX HPC Enhanced Bandwidth DDR2-800
Hard Drive: 74GB Western Digital Raptor WD740
CDROM: AOpen Combo 52x
PowerSupply: PC Power & Cooling TurboCool 510 SLI
Heatsink: Intel Reference
Software Setup:

Microsoft Vista Ultimate
nVIDIA Forceware 15.08
nVIDIA Forceware 163.69


SiSoft Sandra XII
PCMark Vantage
Quake 4

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Contents of Article: OCZ Technology ReaperX HPC
 Pg 1.  OCZ PC2-6400 ReaperX HPC Enhanced Bandwidth 4GB Memory Review
 Pg 2.  — Overclocking the ReaperX PC2-6400
 Pg 3.  Memory Benchmarks: Sandra XII, WinRAR, PCMark Vantage
 Pg 4.  Memory Benchmarks: 3DMark06, Quake 4, FEAR
 Pg 5.  Max Memory Overclocking Chart and Conclusions

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