Check the listing for details. 64GB 4x 16GB Memory for Dell Precision Workstation T5600 Server ECC RDIMM RAM. Condition: Open box. Listed at 37.99 USD. 64GB kit of 4 x 16GB PC3-12800 DDR3-1600 1.5v 2Rx4 ECC Registered DIMM RDIMM CL9 Memory Module for Dell Precision. CAUTION: SERVER MEMORY - DO NOT BUY FOR STANDARD PCs Please make sure this is the correct memory for your computer. Please send us a question if you are not sure if it will work in your computer. Certain systems take both registered and unbuffered DIMMs. The two types cannot be mixed. Please make sure you need Registered DIMMs before buying this item. Warranty: Lifetime Replacement Warranty Premium Quality: Brand name parts only - no unknown and overclocked parts. All memory modules made from major brand memory chips. We do not use generic or OEM chips that are unreliable. Compatibility: Industry standard memory. Guaranteed 100% compatible. Experience: Memory expert since 1990. Exchanges and Returns: No hassle exchanges and refunds. Shipping: Quick shipping. Shipped in well padded envelope or box with antistatic packing. Compatible with: Dell Precision Workstation T5600 Server