Thread: 14 DDR400 memory modules compared

After we checked already a few weeks ago six DDR400 modules on an nForce 2 400 Ultra board through its paces, then follow the detailed testing of a total of 14 current DDR400 Save on Intel's current i865PE chipset with dual channel memory support, which the new Intel Pentium 4 processors with a faster 800 MHz front side bus support.

The range of DDR400 memory is great and we have as buyers are spoiled for choice. Finally, the large price differential between high quality over clocking modules with aluminum or even copper heat spreader and normal DDR400 memory brand has created some confusion. But how much money must be planned for really fast and stable storage?

We can take five over clocking bar of Corsair, OCZ and Kingston against nine brand bars from Crucial, Infineon, Kingmax, Kingston, Samsung and takeMS. The result is not as straightforward as one might at first glance may believe.

Now there is with DDR400A, DDR400B and DDR400C three official standards of JEDEC, the memory manufacturers can rely on their modules. A stable operation at 200 MHz but to ensure a fairly high real memory clock can be seen before an increase in the standard DDR400 DIMM voltage (Vdd) of 2.5 volts at DDR200, 266 and 333 to 2.6 volts the memory modules but must cope without difficulty, in exceptional cases, 2.7 volts.

Thus, memory modules provide after DDR400A specification with their CAS Latency of 2.5 bars, their RAS to CAS Delay and RAS Precharge of 3 bars and an Active to Precharge Delay 8 clocks currently fastest dar. Course continues to prevent manufacturers from memory no one to share their modules for stricter access times.