2GB 400MHz PC2-3200 DDR2 SDRAM 256x72 ECC REG DIMM 240-pin Single Rank Replacement Memory Module for Select Dell Systems MemoryClock frequency: 667MHz with CAS latency 9256 byte serial EEPROM with Thermal SensorData input and output maskingAsynchronous RefreshProgrammable Output driver impedance controlProgrammable CAS latency: 9Burst lengths (BL): 8 and 4 with Burst Chop (BC)Bi-directional Differential Data-StrobeGold card edge fingers8K refresh per 64msLow active and standby current consumptionOn Die Termination (ODT)Double-sided module30mm (1.181 inch) heightTitle2GB Supermicro R-256X72 RAM DDR3-1333 240Pin ECC Registered DIMMConditionNew, open boxContentRAM unitManufacturerSupermicroSKUR-256X72ModelR-256X72http://www.compeve.com/Products/RAM/supermicro/R-256X72/R-256X72_compeve__1.jpghttp://www.compeve.com/Products/RAM/supermicro/R-256X72/R-256X72_compeve__2.jpg