16GB (2x8GB) DDR2-667 PC2-5300 ECC Registered 240-pin Memory Kit (2Rx4)

This 16GB kit contains two 8GB DDR2 modules operating at 667MHz (PC2-5300). The modules are ECC Registered memory with a 240-pin interface and 2Rx4 rank configuration. Suited for systems that require error-correcting, registered DDR2 memory such as servers and enterprise workstations.