Total Micro 4GB DDR3 SDRAM Memory Module - 4 GB DDR3 SDRAM - 1.35 V - Unbuffered - 240-pin
Technical Specifications:
Memory Size: 4 GB
Memory Technology: DDR3 SDRAM
Memory Voltage: 1.35 V
Memory Speed: 1600 MHz
Signal Processing: Unbuffered
Number of Pins: 240-pin