The dual-channel memory format is the standard for high-end performance systems, and is the de facto packaging for most DDR memory. The "matched pair" format has become very popular, as these DDR module kits are perfectly suited for the requirements of high-end dual-channel DDR operation, and are a much safer buy than purchasing one module now and hoping to match it up later. The most popular configurations are currently the 2x512-MB and 2x1-GB kits (although 2x2-GB are emerging) and with few exceptions, vendors offer the same basic speeds in matched pair DDR kits, as with their single module DDR.
The news got a bit better with the dual channel DDR listings, but this was only because there were fewer price increases, and not due to any major shift in pricing trends. The overall chart increase was a bit lower, but a total jump of $81 is still quite significant. As with the single module DDR chart, there was only a single price cut to be found, and Corsair XMS PC3200LL 2x1-GB dropped by a single dollar. There was a lot more activity on the other end of the scale, including another set of three double-digit price increases. OCZ PC4000 EL 2x1-GB (+$13), G.SKILL Extreme PC4000 2x1-GB (+$15), and PNY PC4800 2x512-MB (+$18) were the biggest movers-and-shakers this week, and overall, this is very tough time to be looking for a DDR upgrade.
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