Addon Tech 397415-B21 Compatible Factory Original 8GB (2x4GB) DDR2-667MHz Fully Buffered ECC Dual Rank 1.8V 240-pin CL5 FBDIMM - For Workstation - 8 GB (2 x 4 GB) DDR2 SDRAM - 1.80 V - ECC - Fully Buffered - 240-pin - DIMM - RoHS, TAA Compliance 397415-B2

397415-B21 Compatible Factory Original 8GB (2x4GB) DDR2-667MHz Fully Buffered ECC Dual Rank 1.8V 240-pin CL5 FBDIMM - For Workstation - 8 GB (2 x 4 GB) DDR2 SDRAM - 1.80 V - ECC - Fully Buffered - 240-pin - DIMM - RoHS, TAA Compliance

These parts are FACTORY ORIGINAL Tier 1 modules (from either Samsung, Micron, Hynix, Infineon, etc.). You cannot buy a better module, and there is a good chance that it is an identical module you may get directly from the OEM. All AddOn modules are built to meet or exceed OEM specifications, and JEDEC standards. All memory modules come with a Lifetime warranty and are 100% guaranteed compatible for the appropriate systems it is intended for.

Technical Specifications:
Memory Size: 8 GB
Memory Technology: DDR2 SDRAM
Memory Voltage: 1.80 V
Number of Modules: 2 x 4GB
Memory Speed: 667 MHz
Error Checking: ECC
Signal Processing: Fully Buffered
Device Supported: Workstation
Number of Pins: 240-pin
Form Factor: DIMM
Thickness: 500 mil
Width: 2"
Weight (Approximate): 1 lb
Compatibility: HP/Compaq ProLiant BL460c, HP/Compaq ProLiant BL460c G5, HP/Compaq ProLiant BL460c Server Blade, HP/Compaq ProLiant BL480c, HP/Compaq ProLiant BL480c Server Blade, HP/Compaq ProLiant BL680c G5, HP/Compaq ProLiant DL140 G3, HP/Compaq ProLiant DL160 G5, HP/Compaq ProLiant DL160 G5p, HP/Compaq ProLiant DL180, HP/Compaq ProLiant DL360 G5, HP/Compaq ProLiant DL380 G5 Storage Server, HP/Compaq ProLiant DL580 G5, HP/Compaq ProLiant ML150 G3, HP/Compaq ProLiant ML370 G5, HP/Compaq ProLiant xw460c Blade Workstation, HP/Compaq StorageWorks 400r All-in-One, HP/Compaq Workstation xw6000, HP/Compaq Workstation xw6400, HP/Compaq Workstation xw8400, HP/Compaq Workstation xw8600
Environmentally Friendly: Yes
Environmental Certification: RoHS
Country of Origin: China