KOMPUTERBAY 4GB (2x 2GB) DDR2 667Mhz PC2 5300 PC2 5400 CL 5 DIMM (240 PIN) 4 GB AM2 - Only Works on AMD Motherboards KOMPUTERBAY 4GB (2x 2GB) DDR2 667Mhz PC2 5300 PC2 5400 CL 5 DIMM (240 PIN) 4 GB AM2 - Only Works on AMD Motherboards Well tested. Non-ECC Supports Dual Channel, Triple Channel, and Quad Channel Lifetime Warranty Gold leads Capacity: 4GB