2GB A-Data DDR2-667 PC2-5400 (3-4-4-11)...

2GB DDR-667 Vitesta Extreme Edition from A-Data, rated 3-4-4-11* at 667MHz. Two matched 1GB modules for high performance applications. 240 pins, non-ECC.

This kit is rated PC2-5400 but will also run as PC2-4200 at very aggressive timings (3-3-3-9).

* = The default timings at 667MHz are 4-4-4-11. Running the memory at 3-4-4-11 will require a manual change in BIOS.

From manufacturers website:

The DDR2 667+ delivers DDR2 800-like performance as it beats the JEDEC timing requirements for tCL, tRCD, tRP, and tRAS (5-5-5-15). The DDR2 667+ achieves a low-latency 4-4-4-11 memory test rating to outperform all DDR2 667 market competitors and approaches DDR2 800's timing territory. The DDR2 667+ module is a reliable partner that fits the performance needs of overclockers and enthusiasts.

Features:

- Suitable for: Desktop PC
- 240 Pin Unbuffered-DIMM non-ECC
- Configuration: 64Mx8
- Bandwidth: 5.3GB/Sec (PC2 5300)
- Timings: 4-4-4-11
- Voltage: 1.8V ± 0.1V
- Warranty: Lifetime Warranty