AddOn 4GB DDR3 SDRAM Memory Module - For Server, Desktop PC - 4 GB (1 x 4 GB) - DDR3-1600/PC3-12800 DDR3 SDRAM - CL11 - 1.50 V - ECC - Registered - 240-pin - DIMM CT51272BD160BJ-AM

AddOn 4GB DDR3 SDRAM Memory Module - For Server, Desktop PC - 4 GB (1 x 4 GB) - DDR3-1600/PC3-12800 DDR3 SDRAM - CL11 - 1.50 V - ECC - Registered - 240-pin - DIMM

This Crucial® CT51272BD160BJ Compatible 4GB DDR3-1600MHz dual rank registered ECC 1.5V 240-pin CL11 factory original RDIMM is 100% guaranteed to be compatible with your system and to work right the first time. All of our server memory is built to strict JEDEC standards at one of the tier 1 facilities (SamSun®g, Micron, or Hynix). Our products are also guaranteed by federal law to not affect or void OEM warranties.

Technical Specifications:
Memory Size: 4 GB
Memory Technology: DDR3 SDRAM
Memory Voltage: 1.50 V
Number of Modules: 1 x 4GB
Memory Speed: 1600 MHz
Memory Standard: DDR3-1600/PC3-12800
Error Checking: ECC
Signal Processing: Registered
CAS Latency: CL11
Device Supported: Server, Desktop PC
Number of Pins: 240-pin
Form Factor: DIMM
TAA Compliant: No