8Gb (2X4Gb) Memory Ram 4 Supermicro X7Dca-3, X7Dca-I, X7Dca-L, X7Dcl-3 (B49) 240PIN DDR2 DIMM ECC REGISTERED PC2-5300 , DDR2-667MHZ 2 Pieces Kit This Memory is intended for Server Only. Not for Desktop