Cas Latency: 9 Voltage: 1.5V ECC: No Buffered/Registered: Unbuffered Heat Spreader: No Features: 2 Rank Double-sided module 7.8US Refresh Interval (8192 CYCLES/64MS) 1.5V Power Requirement Auto and self refresh capability PCB height: 1181(mil) Serial Presence-Detect (SPD) 100% Tested RoHS Compliant JEDEC Compliant Only compatible with systems based on the 2nd Generation Intel Core CPUs (Intel 2000 Series)