Type:DDR2 SDRAM Memory Model: DDR2 4GB Memory Speed: 800mhz PC2-6400 Unit Chip capacity:256*8 Memory Socket: LONG DIMM Memory CAS Latency: CL6 Dimm:240-pin Voltage:1.8V Function: Non ECC Memory Chip: ETT Original chips Co***tibility:work with all motherboards for desktop RAM Brand:All brands and support OEM ODM Clients logo Warranty:Lifetime