Dell EMC PowerEdge R640 Server Overview | The R640 is an enterprise 1U server packing a powerful punch. In our video, we will review the general fundamentals of the PowerEdge R640 as well as show you how to properly configure & install your memory. For starters, the R640 is part of the impressive Dell 14th Generation family. This is the next gen to the very popular Dell PowerEdge R630 server. One of the big improvements will be the CPUs. Dell EMC R640’s are powered by dual Intel Scalable processors such as Silver 4100 series, Gold 5100 & 6100 series as well as Platinum 8100 series. LGA3647 socket. There are 24 DIMM slots supporting DDR4 memory. This is the second generation of DDR4 based servers from Dell now with faster speeds. The Dell R640 has 4 different chassis styles. 4 Bay LFF. 8 Bay SFF. 10 Bay SFF. 10 Bay NVMe SFF.

The Dell EMC PowerEdge R640 can operate with three types of memory: ECC Registered (RDIMM), Load Reduced (LRDIMM) or Intel Optane Memory. ECC Reg and Load Reduced DDR4 are the more common options. Intel Optane Memory is a new technology. ECC Registered will have size options of 4GB, 8GB, 16GB, 32GB and up to 64GB. Unfortunately 128GB ECC Reg DIMMs will not work. Max configuration with ECC Reg will be 1.54TB (24 x 64GB) DDR4 PC4 3200MHz Server Memory. With Load Reduced, however, you can use 4GB, 8GB, 16GB, 32GB, 64GB and up to 128GB. Max configuration with LRDIMMs will be 3TB (24 x 128GB) DDR4 PC4 3200MHz Server Memory. Speed options are the same: 2133MHz, 2400MHz, 2666MHz, 2933MHz or 3200MHz. With Intel Optane, the DIMMs sizes are massive. 128GB, 256GB or 512GB. Incredibly impressive. Speeds are a little slower at 2133MHz, 2400MHz and 2666MHz. You can load 12 of the DIMM slots with 512GB DIMMs. You cannot load all 24 slots with Intel Optane. Only 12 slots. And you must you the start of the memory channel for each Optane module. You can mix the Intel Optane Modules with LRDIMMs. Meaning the max would be 6.14TB (12 x 512GB) Intel Optane + 1.54TB (12 x 128GB) LRDIMM for a total max of 7.68TBs of RAM! Wow!

There are two processors and each processor controls twelve DIMM slots. There are six memory channels per processor. This means there are to two DIMM slots per memory channel. Dell has conveniently color coded and labeled all the DIMM slots. This will be very helpful to properly install your memory upgrades. Always install modules in the first slot of the memory channel. The first slot of every memory channel starts with white, then black. In this video, we will review in more depth and actually load the DIMMs.

If you have any questions, then please reach out to sales@cloudninjas.com or leave a comment. Our team of ninjas will response quickly.

Do you want to buy a refurbished Dell PowerEdge R640? You can custom configure your own server. We have both 8 Bay and 10 Bay options in stock.
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