4GB (1x4G) KVR667D2D4F5/4G PC2-5300F 555-11-EQ

Bus Speed: PC2-5300 (DDR2-667)
Memory Features: 2RX4 “THIS MEMORY IS NOT FOR DESKTOPS”, ECC Memory, Fully Buffered
Type: DDR2 FB-DIMM SDRAM
Number of Pins: 240
Brand: Kingston
Form Factor: FB-DIMM
Capacity per Module: 4 GB