Crucial Ballistix Sport XT 8GB Single DDR3 1866 MT/s (PC3-14900) CL10 @1.5V  UDIMM 240-Pin Memory Module BLS8G3D18ADS
BLS8G3D18ADS3 is a single 8GB DDR3 module that operates at speeds up to 1866 MT/s and has a CL10 latency with extended timings of 10-10-10-30. It is Performance and is non-ECC. It conforms to the industry standard UDIMM layout of 240 pins and is compatible with computers that take DDR3 UDIMM memory.