HP 398708-061 8GB 2 x 4GB PC2-5300F DD2 667 ECC Fully Buff Qimonda Memory Kit Manufacturer: Qimonda HYS72T512420EFA-3S-C2 HP part Number: 398708-061 Memory Type: Fully Buffered DIMM 240 Pin Capacity: 8GB 2 x 4GB Bus Type: PC-5300 DDR2 667