View the refurbished HP 8GB (1x8GB) Single Rank x4 PC3-12800R (DDR3-1600) Registered CAS-11 Memory Kit 647899-B21 664691-001 Quickspecs here
**HP Original PC3-12800 EEC Regisitered Fully Buffered DDR3-1600 Memory desigined to work in the following HP Proliant Blade, Rack and Tower Servers**