Description FAQs 4GB DDR3-1600 ECC RDIMM TAA Compliant - 4 GB (1 x 4 GB) - DDR3 SDRAM - 1600 MHz DDR3-1600/PC3-12800 - ECC - Registered - DIMM Have a Question? Ask Us! Your Name Email Address Your Question Submit Question Thank you! Your question has been submitted.