2GB DDR3 1600 ECC-DIMM 1RX8
Transcend Part# TS256MLK72V6N
RAM Modules – TAA Compliant – RAM Module - 1.50 V Memory Voltage - DDR3-1600/PC3-12800 - DDR3 SDRAM - CL11 - 2 GB Memory Size - DIMM - 1600 MHz Memory Speed - ECC - 240-pin Pins - Unbuffered - Taiwan