Komputerbay 8GB (2 X 4GB) DDR3 DIMM (240 pin) 1333Mhz PC3 10600 / PC3 10666 9-9-9-25 1.5v 8 GB KIT 100% COMPATIBLE MEMORY CAPACITY: 8GB Well Tested. Non-ECC Non parity Voltage 1.5V. SUPPORTS DUAL CHANNEL Lifetime Warranty FOR GAMING / PERFORMANCE MEMORY 9-9-9-25