Good morning. According to the specifications on the Kingston memory, it is dual rank; its listed as 2Rx4;   this server only supports 8gb quad ranked RDIMM's.  Here is the Dell part number and specification: K075P 8GB RDIMM 1066 (QuadRank) DIMM,8G,1066,4RX8X72,8,240,REG Here is the link for the technical guide for memory information, listed under 8.1: [URL]  Regards,
Currently has Samsung 4 x2GB Registered in slots 1,2,3,4 and working fine. I can get the information further. This RAM was stock from Dell running at 1.35V.  Trying to upgrade to Kingston KVR13LR9D4k4/32 running  Hynik H5TC2G43CFR-H9A chips on a Xeon X3430 at 1.35V.  Any idea why these aren't working?
Dell r310 Memory upgrade