AddOn 16GB (2 x 8GB) DDR3 SDRAM Memory Kit - For Router - 16 GB (2 x 8GB) - DDR3-1333/PC3-10666 DDR3 SDRAM - 1333 MHz Dual-rank Memory - CL9 - 1.35 V - ECC - Registered - 240-pin - DIMM

This Cisco® M-ASR1001HX-16GB compatible 16GB (2x8GB) DDR3-1333MHz dual rank registered ECC 1.35V 240-pin CL9 factory original RDIMM kit 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 (Samsung, Micron, or Hynix). Our products are also guaranteed by federal law to not affect or void OEM warranties.