HP 4GB DDR3 SDRAM Memory Module - 4 GB - DDR3-1600/PC3-12800 DDR3 SDRAM - 1600 MHz Single-rank Memory - CL11 - OEM - ECC - Unbuffered - 240-pin - DIMM 780107-001

HP 4GB DDR3 SDRAM Memory Module - 4 GB - DDR3-1600/PC3-12800 DDR3 SDRAM - 1600 MHz Single-rank Memory - CL11 - OEM - ECC - Unbuffered - 240-pin - DIMM

DIMM 4GB PC3-12800E 512MX8

Technical Specifications:
Memory Size: 4 GB
Memory Technology: DDR3 SDRAM
Memory Speed: 1600 MHz
Memory Standard: DDR3-1600/PC3-12800
Memory Rank: Single-rank
Error Checking: ECC
Signal Processing: Unbuffered
CAS Latency: CL11
Number of Pins: 240-pin
Form Factor: DIMM