EDGE K1240-219307-PE 16GB (2 x 8GB) DDR2 SDRAM Memory Kit - 16 GB (2 x 8GB) - DDR2-667/PC2-5300 DDR2 SDRAM - 667 MHz - ECC - Registered - 240-pin - DIMM - Lifetime Warranty

Up to 667 MHz speed with Registered signal is enough to run heavy software smoothly while surfing web with dozens of tabs open DIMM 16 GB bar will run multiple applications together and enhance your computers performance DDR2-667/PC2-5300 operates at up to 400 MHz data bus speed with minimal power consumption and as a result, you get optimal computer performance with an improved memory heat dissipation