Komputerbay 16GB (4 X 4GB) DDR3 DIMM (240 pin) 1866MHZ PC3-14900 PC3-15000 16 GB KIT CL 9-10-9-28 with Heatspreader for extra Cooling 100% COMPATIBLE MEMORY CAPACITY: 16GB comes with Heatspreader for extra Cooling Well Tested. Non-ECC Non parity Voltage 1.5V Lifetime Warranty Komputerbay 16GB (4 X 4GB) DDR3 DIMM (240 pin) 1866MHZ PC3-14900 PC3-15000 16 GB KIT CL 9-10-9-28 with Heatspreader for extra Cooling