Kingston ValueRAM 4GB 1600MHz DDR3 PC3-12800 ECC CL11 DIMM Intel Ceritified Server Memory KVR16E11/4I One 4GB module 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