OCZ PC-3200 ECC Registered memory will be available in 256MB and 512MB modules as well as 512MB and 1GB matched Dual Channel kits rated for CL 3-3-3-8 operation at 2.6 volts. OCZ PC-3200 ECC Registered memory modules include a copper heatspreader to aid in thermal transfer.
OCZ PC-3200 ECC Registered DDR is low profile memory, allowing it to be used in 1U servers and smaller ATX cases that have limited headroom.
In order to ensure maximum stability and performance, each PC-3200 ECC Registered Dual Channel kit will be completely tested and validated by OCZ on the Asus K8V Deluxe mainboard.

More specs at the product page, a dual channel version is also available