Compatible with IBM part numbers 46C7420, 46C7423 We guaranty this kit will work in your machine. 4pcs. 4GB DDR2-667 Fully Buffered ECC DIMM. Manufactured By Computer Memory Solutions This system can take either dual or quad rank Lifetime exchange or repair warranty against manufacturing defects. by Computer Memory Solutions 30 Day money back guarantee Compatible with: IBM System x3550 1913-xxx Max Memory: 32GB Sockets: 8 Sockets (4 Banks of 2)

• 240PIN DDR2 5300 FULLY BUFFERED
• DDR2-PC5300
• DDR2-667MNZ
• 4PCS KIT
• CMS is a Trademark of Computer Memory Solutions

240PIN DDR2 5300 FULLY BUFFEREDComputer Memory Solutions