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 2x2GB are emerging) and with few exceptions, vendors offer the same basic speeds in matched pair DDR kits, as with their single module DDR.
Usually the news is a bit better in the dual-channel DDR chart, and if certainly does start off that way. We find a pair of double-digit price cuts, with the Mushkin Redline PC4000LL 2x1GB and Crucial PC3200 2x1GB matched pair kits falling by $16 and $10, respectively. Unfortunately, a couple of measly $1 drops account for the remainder of the downward movement. The price increases don't look as bad, with the largest being an $8 jump to the Corsair XMS PC3200 2x1GB kit, but these are more numerous, and add up quick. The overall trends mirrored these findings and showed a $10 aggregate chart increase.