New Memory Highs: Corsair and OCZ Introduce DDR550
by Wesley Fink on February 19, 2004 6:03 PM EST- Posted in
- Memory
Corsair XMS4400 1GB TwinX
Corsair was the first to bring DDR550 or PC4400 to market.
The Corsair DDR550 tested is a matched pair of 512MB. Corsair calls their matched pairs for Dual-Channel TwinX. Our flavor had the black heatspreader, but Corsair also provides 4400 TwinX with Platinum spreaders if you prefer that.
Corsair XMS4400 TwinX Specifications
| Corsair XMS4400 v1.1 Memory Specifications | |
| Number of DIMMs & Banks | 2 DS |
| DIMM Size Total Memory |
512 Mb 1 GB |
| Rated Timings | 3-4-4-8 |
| Rated Voltage | 2.75V |
We confirmed the SPD timings to be set at 3-4-4-8. Corsair states on their site that all PC4400 is tested on an Asus P4C800-E motherboard before packaging. The Asus P4C800 is the only motherboard recommended by Corsair for DDR550 operation with this memory.
Normally, we remove heat-spreaders and report the memory chips used, but Corsair must be attaching the heatspreader with epoxy these days. While we could not confirm the chips used by examining them, they behave like Hynix chips, though we do not know whether Corsair uses D43 or C-D5 blanks. This is speculation on our part, but there are very few memory manufacturers that produce high-speed memory.
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retrospooty - Thursday, February 19, 2004 - link
Nice results at 5:4 vs 1:1 ... See, I told you so, after reading one of your older Ram articles from a few months back... 5:4 2-2-2 beats 1:1 2.5-4-4-8 anyday =)I'm glad you tested it !
kamper - Thursday, February 19, 2004 - link
holy tiny target market, batman!how many people require memory to run at 275fsb default?
Pumpkinierre - Thursday, February 19, 2004 - link
Very good memory article once again Wesley. I dont know where this 'low latency memory doesnt make any difference' argument started but from my observations, it is false. OCZ usually test on an ABIT IC7 so I wonder why it did't make the grade on the DDR550?Any hints as to when DDR500@ 2-2-2-5 is going to become reality. It seems like the old BH5s are still the lowest latency mem. chips and they've been around for a year now. 1:1 at low latencies and PAT aggressive is the way to go. That's why I run my 2.6c at 2.8 even though it goes stable to 3.3 but then I got to run the mem. at 5:4 (no PAT) and performance improvement is barely noticeable.