Kingston Technology ValueRAM 24 GB Kit of 3(3x8 GB Modules) 1333MHz DDR3 PC3-10666 Non-ECC CL9 DIMM Server Memory (KVR13N9K3/24) 24 GB Kit (3x8 GB modules) of 1333MHz DDR3 Memory 240-pin Unbuffered DIMM From the industry leader in PC Memory Backed by a lifetime warranty and free technical support