A11936994 – Dell 4GB Kit (2 X 2GB) PC2-6400 DDR2-800MHz ECC Unbuffered 240-Pin DIMM Memory for Precision T3400 Brand : Dell Weight : DDR2 SDRAM Capacity : 4GB (2 X 2GB) Data Transfer Rate : 800Mhz Pins : 240 Pin Bus Type : PC-6400 Error Correction : ECC Cycle Time : 5ns Cas : CL6 Memory Clock : 200Mhz Voltage : 1.8