Memory with an entrance requirement
Subject: Memory | September 4, 2008 - 11:17 AM | Jeremy Hellstrom
If you pick up Corsair's DDR3-2133 kit, you had better make sure you have some experience overclocking, as you won't be able to find a motherboard that supports that speed straight out of the box. AnandTech did make it happen, using a DFI X48 board. Take a look at what they had to go through to get a stable system running these modules.
"When we first learned that Corsair was sending us this $515 kit for testing, we had just finished pushing the ASUS P5E3
Premium to its limits and found it to be a fantastic board for overclocking 1GB memory modules well in excess of 2000MHz. In
order to obtain these results we used 2X1GB modules from Cell Shock that are based upon Micron's D9JNL part. These particular
modules scaled all the way to 2160MHz at CAS 8 on the ASUS board, although it has to be said it took a decent amount of work
getting there. Very impressive of course, but it's also no real secret that few of us really run our PCs with such a setup,
simply because the voltages and time required to reach such lofty speeds is more than excessive for 24/7 operation.
While the X48 chipset can achieve over 2100MHz with good DDR3, it does so at a real push needing more voltage to hold it'self
together than most of us are prepared to use. The other logical choice for high-end DDR3 overclocking is the NVIDIA 790i
chipset, but after significant testing, we realized it is no different. In fact, it's not nearly as stable when really pushed
to the limit with these modules. Corsair's decision to quickly market a high-speed 2133MHz kit based on Samsung's new ICs
certainly roused our curiosity. At the same time, we questioned how such kits would be qualified to run at stock
specifications, never mind overclocking. Let's look at our first results."
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