Kingstons khx18c11p1k216 is a kit of two 1g x 64 bit 8gb ddr3 1866 cl11 sdram synchronous dram 2rx8 memory modules based on sixteen 512m x 8 bit ddr3 fbga components per module total kit capacity is 16gb each module kit has been tested to run at jedec ddr3 1866 at a low latency timing of 11 11 11 at 15v additional timing parameters are shown in the pnp timing parameters section each 240 pin dimm uses gold contact fingers and requires 15v