EDGE PC2-6400 (800MHz) Registered DDR2 SDRAM - For Desktop PC - 4 GB (1 x 4GB) - DDR2-800/PC2-6400 DDR2 SDRAM - 800 MHz - ECC - Registered - 240-pin - DIMM - Lifetime Warranty

240-pin for enhanced, dependable system performance with maximum usability DIMM form factor with 240-pin and 4 GB memory size effectively lessens the electrical load on the memory controller to allow maximum feasibility 1 x 4GB modules for quick access and retrieval of data and information to ensure maximum usability Up to 800 MHz speed with registered signal is enough to run heavy software smoothly while surfing web with dozens of tabs open Registered signal processing allows high speed and accuracy to allow maximum reliability DIMM 4 GB of memory to refine your computers performance DDR2-800/PC2-6400 interface synchronizes electrical and clock signals for an efficient data transfer rate Desktop PC device support for your ram module for maximum productivity and convenience RAM Module is the single answer to all your desired and heavy-duty application memory needs