Crucial Ballistix Elite 4GB Kit (2GBx2) DDR3 1866 MT/s (PC3-14900) CL9 @1.5V UDIMM w/XMP/TS 240-Pin BLE2CP2G3D1869DE1TX0
Crucial Ballistix Elite is a 4GB Kit consisting of (2) 2GB DDR3 Performance module that operates at speeds up to 1866 MT/s and has a CL8 latency with extended timings of 9-9-9-27. 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.