AddOn 32GB PC3-8500 DDR3-1066MHz ECC Registered CL7 240-Pin DIMM 1.35V Low Voltage Quad Rank Memory Module. Enhance your server’s performance with the 627814-B21-AM AddOn 32GB PC3-8500 DDR3-1066MHz ECC Registered CL7 240-Pin DIMM 1.35V Low Voltage Quad Rank Memory Module. Designed for stability and efficiency, this module offers 32GB capacity, operates at DDR3-1066MHz speed, and features ECC Registered technology for error correction, ideal for demanding server environments.