Kingston Technology ValueRAM 16 GB 1600MHz DDR3 (PC3-12800) ECC Reg CL11 DIMM DR x4 Server Memory KVR16R11D4/16 One 16 GB module of 1600MHz DDR3 Memory Specifically designed and tested for compatibility in various devices 240-Pin Registered DIMM From the industry leader in PC Memory Backed by a lifetime warranty and free technical support