Ballistix Elite 8GB Single DDR3 2133 MT/s (PC3-17000) UDIMM 240-Pin Memory - BLE8G3D21BCE1 Cas Latency: 11 Voltage: 1.65V Timing: 11-11-11-27 Buffered/Registered: Unbuffered Heat Spreader: Yes Color: Black Features: BLE8G3D21BCE1 is a single 8GB DDR3 Performance module that operates at speeds up to 2133 MT/s and has a CL11 latency with extended timings of 11-11-11-27. 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.