CMS brand, CMS is one of the most trusted names in the Computer Memory industry and this product carries a Lifetime Warranty from CMS. 4pcs. 4GB DDR2-667 Fully Buffered ECC DIMM. Compatible with: HP/Compaq ProLiant BL20p G4 Server Blade HP/Compaq ProLiant BL460c G5 HP/Compaq ProLiant BL460c Server Blade HP/Compaq ProLiant BL480c Server Blade HP/Compaq ProLiant BL680c G5 HP/Compaq ProLiant DL140 G3 HP/Compaq ProLiant DL160 G5 HP/Compaq ProLiant DL180 HP/Compaq ProLiant DL360 G5 HP/Compaq ProLiant DL380 G5 HP/Compaq ProLiant DL580 G5 HP/Compaq ProLiant ML150 G3 HP/Compaq ProLiant ML350 G5 HP/Compaq ProLiant ML370 G5 HP/Compaq ProLiant xw460c Blade Workstation HP/Compaq StorageWorks 400r All-in-One HP/Compaq StorageWorks All-In-One 600 (AiO600) HP/Compaq Workstation xw6400 HP/Compaq Workstation xw6600 HP/Compaq Workstation xw8400 HP/Compaq Workstation xw8600 Computer Memory Solutions guarantees compatibility with models provided in description. Memory Type: Fully Buffered DIMM, 240-Pin Speed: DDR2-5300, 667 MHz 4 Piece Kit Product appearance may vary. Picture for reference only. limited lifetime warranty when bought directly from computer memory solutions UPC 849005037006 Brand Computer Memory Solutions RAM Size 16 GB Form Factor 240-PIN Item Weight 2 Ounces Manufacturer Computer Memory Solutions Memory Speed 667 MHz Model Number CM512725300FBDIMMX4 Number of Pins 240 Mfr Part Number CM512725300FBDIMM Memory Generation DDR2 Compatible Devices Server Data Transfer Rate 667 MHz Memory Form Factor DIMM Additional Features Ecc, Lightweight RAM Memory Technology DDR2