Boost the capabilities of your HP Workstation & improve system performance & application responsiveness with low-power, high-speed DDR4 memory from HP. Feature Feature Value Internal memory 8 GBInternal memory type DDR4 Memory clock speed 2666 MHz Component for PC/server Memory form factor UDIMMMemory layout (modules x size)1 x 8 GBBuffered memory type Unregistered (unbuffered)ECCNMemory channels Single Windows operating systems supported Windows 10, Windows 7, Windows 8 Compatible products Z4 G4, Z6 G4, Z8 G4 Width 133.3 mm Depth 31.2 mm Height 1.4 mm