Kingston hyperx 4gb 2 x 2gb memory module 1866mhz ddr3 non ecc cl9 240 pin unbuffered dimm
Kingstons khx1866c9d3k24gx is a kit of two 256m x 64 bit 2gb ddr3 1866 cl9 sdram synchronous dram 1rx8 memory modules based on eight 256m x 8 bit ddr3 fbga components per module each module kit supports intel xmp