A12927474 – Dell 1GB PC3-10600 DDR3-1333MHz ECC Unbuffered CL9 240-Pin DIMM Memory Module for Precision Brand : Dell Weight : DDR3 SDRAM Capacity : 1GB Data Transfer Rate : 1333Mhz Pins : 240 Pin Bus Type : PC-10600 Error Correction : ECC Cycle Time : 1.5ns Cas : CL9 Memory Clock : 166Mhz Rank : Rank 1 Voltage : 1.5