Kingston Technology Kingston ValueRAM 4 x 8GB 1600MHz DDR3 ECC Reg CL11 DIMM SR x4 with TS Desktop Memory Modules (KVR16R11S4K4/32) One 32GB kit (4 x 8GB Modules) of 1600MHz DDR3 Memory 240-Pin Registered DIMM From the industry leader in PC Memory Backed by a lifetime warranty and free technical support