Kingston ValueRAM 16GB Kit of 4 (4x4GB Modules) 1600MHz DDR3 PC3-12800 ECC CL11 DIMM Intel Certified Server Memory KVR16E11K4/16I Kit of 4 4GB modules of 1600MHz DDR3 Memory Specifically designed and tested for compatibility in various devices 240-Pin Unbuffered DIMM From the industry leader in PC Memory Backed by a lifetime warranty and free technical support Intel Certified