669320-B21#0D1 – HP 2GB PC3-12800 DDR3-1600MHz ECC Unbuffered CL11 UDIMM Single-Rank Memory Module Brand : HP Weight : DDR3 SDRAM Capacity : 2GB Data Transfer Rate : 1600Mhz Pins : 240 Pin Bus Type : PC-12800 Error Correction : ECC Cycle Time : 1.25ns Cas : CL11 Memory Clock : 200Mhz Rank : Rank 1 Voltage : 1.5