Kingston Technology ValueRAM 8 GB 1333MHz DDR3 PC3-10666 ECC CL9 DIMM Hynix M Server Memory (KVR13E9/8HM) One 8 GB module of 1333MHz 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