We guaranty this kit will work in your machine. 2pcs. 4GB 1333MHz ECC REGISTER Module Lifetime exchange or repair warranty against manufacturing defects BY Computer Memory Solutions BRAND Computer Memory Solutions Max Memory: 96
GB Sockets: 12 Sockets (4 Banks of 3)
Compatible with: IBM System x3620 M3 7376 OUR DDR3-1333 modules automatically clock down to 1066MHz and 800MHz depending on which Intel Xeon model is installed and how many module Banks are populated.