HADTK Server Ram 64GB 128GB 256GB DDR4-2666 PC4-21300 2Rx4 RDIMM ECC Registered Memory

Product Details：
1. Memory capacity: 64GB 128GB 256GB
2. Standard: PC3-21300R (DDR4-2666) compatible
3. DDR4 288-pin RDIMM compatible model
4. MacPro Early2009 Mid2010 Mid2012 Late 2013 compatible (each model has upper limit of recognition)
5. Voltage: normal 1.2V correspondence
6. Since it is a Registered DIMM, it cannot be mixed with other memory.