Kingston hyperx 8gb 2 x 4gb memory module 1866mhz ddr3 non ecc cl9 240 pin unbuffered dimm
Kingstons khx1866c9d3k28g is a kit of two 512m x 64 bit 4gb ddr3 1866 cl9 sdram synchronous dram 2rx8 memory modules based on sixteen 256m x 8 bit fbga components per module total kit capacity is 8gb each module