KOMPUTERBAY 4GB DDR2 DIMM (240 PIN) 800Mhz PC2 6400 PC2 6300 with Heatspreaders 4 GB - CL 5 KOMPUTERBAY 4GB DDR2 DIMM (240 PIN) 800Mhz PC2 6400 PC2 6300 with Heatspreaders 4 GB - CL 5 Well Tested. Non-ECC Non parity Voltage 1.8V SUPPORTS DUAL CHANNEL, TRIPLE CHANNEL, AND QUAD CHANNEL Lifetime Warranty GOLD LEADS. 100% COMPATIBLE MEMORY CAPACITY: 4GB