Specifications Size - 4GB Pins - 240 pins Speed - PC3-10666 DDR3-1333 CAS Latency - CL9 Ranks - 2Rx4, dual rank Chip - 36 chips 256x4 Voltage - 1.5V Height - Normal ECC - yes, Registered - yes, Form Factor - RDIMM Additional Details ------------------------------ Package quantity: 1