How Many Dimm Slots in R740?

If you are looking to upgrade the memory of your Dell PowerEdge R740 server, one important question that may come to your mind is – How many DIMM slots does the R740 have? The answer to this question is crucial as it can determine the maximum amount of RAM that your server can support.

So, without any further ado, let’s dive into the details.

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What are DIMM slots?

DIMM stands for Dual In-Line Memory Module. It is a type of memory module used in computers and servers for storing data. DIMMs are designed to be inserted into special slots on the motherboard, which are known as DIMM slots.

The number of DIMM slots on a server determines how many memory modules can be installed. Each DIMM slot corresponds to a specific memory channel, and multiple channels can work together to provide faster data transfer rates.

How many DIMM slots does the Dell PowerEdge R740 have?

The Dell PowerEdge R740 is a popular server model that offers high performance and scalability. It comes with 24 DIMM slots in total, which means it can support up to 3TB of RAM using 128GB DDR4 RDIMMs.

These 24 DIMM slots are divided into two Processor Memory Modules (PMMs), each containing 12 slots. The PMMs are located on either side of the server’s motherboard, with six slots on each side.

How do you install memory modules in a Dell PowerEdge R740?

Before installing any new memory modules in your R740 server, it’s important to check the compatibility of the modules with your system. You can do this by referring to the Dell PowerEdge R740 datasheet or by contacting Dell support.

Once you have confirmed that the new memory modules are compatible with your system, follow these steps to install them:

1. Turn off your server and unplug all cables from it.

2. Locate the PMMs on either side of the motherboard and open the latches on top of them.

3. Gently insert the memory modules into the slots, making sure to align the notches on the modules with those on the slots.

4. Push down on the modules until they snap into place and the latches click shut.

5. Repeat this process for all memory modules you wish to install.

6. Close the PMM latches and power up your server. The system should automatically recognize the new memory and adjust its configuration accordingly.

Conclusion

In summary, the Dell PowerEdge R740 comes with 24 DIMM slots, divided into two PMMs of 12 slots each. This provides plenty of room for expansion and allows for a maximum RAM capacity of 3TB using 128GB DDR4 RDIMMs.

When installing new memory modules in your R740 server, be sure to check their compatibility with your system before proceeding. Once you have confirmed compatibility, follow the steps outlined above to install them correctly and enjoy improved performance from your server.