Kingston ValueRAM 64GB Kit (4x16GB) 2400MHz DDR4 ECC Reg CL17 DIMM 2Rx4 Desktop Memory (KVR24R17D4K4/64) One 64GB Kit (4x16GB) modules of 2400MHz DDR4 Memory 288-pin Registered DIMM From the industry leader in PC Memory Backed by a lifetime warranty and free technical support