Axiom 16GB DDR2-667 ECC RDIMM Kit (2 x 8GB) for Dell # A2257199, A2257200 - 16GB (2 x 8GB) - 667MHz DDR2-667/PC2-5300 - ECC - DDR2 SDRAM - 240-pin DIMM

667 MHz of memory speed with Registered signal makes your computer perform like an athlete Editing high-resolution pictures, rendering 3D graphics and playing the latest games is not a big deal with RDIMM 16 GB of memory that effortlessly manages them 240-pin-pin DDR2-667 interface multiplexes 2-bit data from memory cell and I/O buses to minimize processor idle time and enhance your computers performance