Features 1.Adopted of high quality electronic components and accuracy process ensure for the durability 2.Original particles make the product run more stable 3.With a heat sink the operation is more stable and durable 4.Single 8GB large capacity and DDR3 1333HZ operating frequency 5.Suitable for server memory support workstations single dual multi-way motherboards etc. Specification Item Type: Server RamCapacity: 8GBType: DDR3 240Pin ECC Memory.Speed: PC3-10600R 1333MHzCache Latency: CL10Buffering/ECC: ECC RegisteredCompatible Motherboard: Support dual CPU motherboard single CPU motherboardBut support special single-channel motherboardsFit for DELL T7500 T3600 T5810 HPZ420 WorkstationSome modified or brushed BOIS motherboards modified X58 and X79 motherboardsCompatible Platform: (such as 1366 2011 platform X58 X79) [only part need to confirm before buying].w-e-text table td.w-e-text table th Package List 1 xServer Ram Note Serve Memory. It does not work on desktop or other regular PC. Please pay attention to the product state before purchase: open box this product comes from the original disassemble of the server not newThe memory is not inserted properly or the gold finger is oxidized. Use an eraser to remove the memory chip and then reinsert it or change the slot; The memory slot is dusty or oxidized. Wash it with a brush and wash water (no wash water just brush it down).3. The memory is not compatible try changing the memory. CMOS is not discharged to restore factory settings maybe it is normal (remove the motherboard battery and then put it back).The motherboard is not compatible with the CPU try changing the CPU.