4pcs 8GB 1333MHz ECC Register Module, You might receive 1066mhz or 1600mhz since all of them work in there. Lifetime Warranty 30 Day Money Back Guarantee We don't use Generic or OEM Parts to avoid incompatibility specially in HP systems. Manufactured by CMS A 64-bit operating system is required to utilize more than 4GB of memory.
Maximum
Memory: 96GB ECC UDIMMs 384GB ECC RDIMMs 384GB
LRDIMMs Expansions: 12 Socket (s) using two processors 6 Socket (s) per processor
Compatible with: HP/Compaq ProLiant ML350e Gen8 (G8)