Komputerbay 8GB (4x 2GB) DDR3 DIMM 240 Pin 1333MHz PC3-10666 for ASRock P45R2000-WiFi 8 GB Komputerbay 8GB (4x 2GB) DDR3 DIMM 240 Pin 1333MHz PC3-10666 for ASRock P45R2000-WiFi 8 GB Well Tested. Non-ECC Non parity Voltage 1.5V. GOLD LEADS. SUPPORTS DUAL CHANNEL TRIPLE CHANNEL AND QUAD CHANNEL Lifetime Warranty COMPATIBLE WITH ASRock P45R2000-WiFi