IBM 16GB 4 x 4GB PC2-5300F DDR2 667 ECC FB-DIMM Server Memory Kit 41Y2845 Hynix Manufacturer: Hynix HYMP151F72CP4D3-Y5 Server Memory Kit IBM Part Number: 41Y2845 Memory Type: Fully Buffered Dimm (FB-DIMM) Capacity: 16GB 4 x 4G Bus Type: PC-5300 667Mhz