Netpatibles 4GB DDR3 SDRAM Memory Module - 4 GB - DDR3-1600/PC3-12800 DDR3 SDRAM - 1600 MHz Dual-rank Memory - 1.35 V - ECC - Unbuffered - 240-pin - DIMM - Lifetime Warranty MEMDR340LHL03EU16NPM

Netpatibles 4GB DDR3 SDRAM Memory Module - 4 GB - DDR3-1600/PC3-12800 DDR3 SDRAM - 1600 MHz Dual-rank Memory - 1.35 V - ECC - Unbuffered - 240-pin - DIMM - Lifetime Warranty

4GB DDR3-1600 UDIMM ECC 2RX8

Technical Specifications:
Memory Size: 4 GB
Memory Technology: DDR3 SDRAM
Memory Voltage: 1.35 V
Memory Speed: 1600 MHz
Memory Standard: DDR3-1600/PC3-12800
Memory Rank: Dual-rank
Error Checking: ECC
Signal Processing: Unbuffered
Number of Pins: 240-pin
Form Factor: DIMM