Compatible with IBM part numbers 46C7420, 46C7423 We guaranty this kit will work in your machine. 2pcs. 4GB DDR2-667 Fully Buffered ECC DIMM. Brand Computer Memory Solutions Lifetime exchange or repair warranty against manufacturing defects.by Computer Memory Solutions 30 Day money back guarantee Compatible with: IBM System x3650 (7979-xxx) IBM System x3650 (1914-xxx) Max Memory: 48GB Sockets: 12 Sockets (4 Banks of 2) Max memory per socket 4GB

• 240pin DDR2 FULLY BUFFERED DIMM
• DDR2-PC5300
• DDR2-667MNZ
• 2PCS KIT
• CMS is a Trademark of Computer Memory Solutions

240pin DDR2 FULLY BUFFERED DIMMComputer Memory Solutions