Axiom 4GB Low Power DDR3-1066 ECC RDIMM for HP # 500660-B21

Axiom's DDR3 memory modules, offering breakthroughs in speed and power, are now available. DDR3 has set out to be the new standard in the industry and Axiom has designed and engineered these modules to set that standard. With rigorous testing and endless research and development, you can trust Axiom DDR3's to be the best memory in the market today.
DDR3 offers: Powerful performance - DDR3 nearly doubles the speed of DDR2 by offering faster data rates.; Low Power Consumption - DDR3 operates on a reduced supply voltage thanks to its efficient design.; Higher Bandwidth and Density - DDR3 allows better computer performance thanks to the fastest data transfer rates available.; RDIMM 4 GB memory allows you to have more programs open at a time; 240-pin-pin DDR3 SDRAM interface synchronizes electrical and clock signals for an efficient data transfer rate; Up to 1066 MHz speed with Registered signal is enough to run heavy software smoothly while surfing web with dozens of tabs open;