This HP 713985-B21 compatible 16GB DDR3-1600MHz Dual Rank Registered ECC 1.35V 240-pin CL11 factory original RDIMM is 100% guaranteed to be compatible with your system and to work right the first time. Adding additional memory is the best way to increase the performance of your system. All our memory is built to strict JEDEC standards to meet or exceed the Tier 1 OEM's factory requirements. Our products are also guaranteed by federal law to not affect or void OEM warranties.
- 16 GB of memory to maintain symmetry with processor and hard drive and bring out the ultimate computing experience
- 240-pin-pin DDR3 SDRAM interface multiplexes 2-bit data from memory cell and I/O buses to minimize processor idle time and enhance your computer's performance
- 1600 MHz memory speed with Registered signal for great multitasking capability