Part No: 647648-571 - HP 4GB (1x4GB) 1600Mhz PC3-12800 Cl11 ECC Registered Single Rank DDR3 SDRAM Dimm Memory for G8

Speed: 1600MHz
Memory Standard: PC3-12800
CAS Latency: CL11
ECC (Error-Correcting Code): ECC (provides error correction for data integrity, crucial for server use)
Buffering: Registered (reduces the load on the memory controller, improving stability in server environments)
Rank: Single Rank (offers lower memory latency and lower power consumption compared to dual rank)
Form Factor: 240-Pin DIMM (Dual Inline Memory Module)
Compatibility: Designed for HP Proliant G8 servers and other compatible server systems