Dell PowerEdge R740xd Server Memory Overview & Upgrade | How to Install Memory | Supported DIMMs

Dell PowerEdge R740xd – This is the 2nd video in our R740xd server series. In this video, we will be covering memory! We will go over the supported types of memory, supported speeds, and supported capacities. We will also teach you how to properly install new memory into your server. This video series includes:

1. CPUs -    • Dell PowerEdge R740xd Server CPUs | I...  
2. Memory -    • Dell PowerEdge R740xd Server Memory O...  
3. Drives -    • Dell PowerEdge R740xd Server | Solid ...  
4. Network Cards -    • Dell PowerEdge R740xd Server NICs | N...  
5. RAID -    • Dell PowerEdge R740xd Power Supplies ...  
6. BIOS -    • Dell PowerEdge R740xd Mass Updates | ...  
7. iDRAC -    • Dell PowerEdge R740xd Server | iDRAC9...  
8. Mass Updates -    • Dell PowerEdge R740xd Mass Updates | ...  
9. How to set IP Address -    • Dell PowerEdge R740xd Server IP Addre...  
10. How to Install VMware ESXi -    • Dell PowerEdge R740xd VMware Overview...  
11. Power Supplies -    • Dell PowerEdge R740xd Power Supplies ...  
12. How to Rack -    • Dell PowerEdge R740xd | How To Rack a...  
13. How to install Windows Server 2019 -    • Dell PowerEdge R740xd Windows Server ...  

If there is anything else you would like to see, then please drop a comment, and let us know. We want this video series to be a great tool for the Dell community. Ask questions. Answer questions. Help each other out.

The Dell PowerEdge R740xd server operates on DDR4 memory. There are a total of 24 DIMM slots. Now onto memory channels. The white slots are the start of a memory channel while the black slots are the end of the channel. Module speed options include 2133MT/s, 2400MT/s, and 2666MT/s, 2933MT/s. Technically speaking you can install 3200MHz (so long as you have a 2nd generation XEON Scalable processor) but these modules will clock down to operate at 2933MHz. It is important to note that the CPU that you have installed will determine that fastest speed that your modules will run at. The fastest speed for 1st Generation Scalable CPUs is 2666MT/s. The fastest speed 2nd Generation Scalable CPUs is 2933MT/s. Module capacity options include: 4GB, 8GB, 16GB, 32GB, 64GB, and 128GB. 128GB can only be used if the modules are Load Reduced memory modules. The R740xd accepts two types of RAM: ECC Registered (RDIMM), and Load Reduced (LRDIMM). With RDIMMs, you can achieve 1.5TB with a configuration of 24x64GB. With LRDIMMs, you can reach 3TB with 24x128GB.

Let us know what you would like to see next on the channel, and thanks for stopping by!

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