Collection: Dell R640 Memory Upgrades

PowerEdge R640 RAM Upgrade
Upgrading the memory to your Dell PowerEdge R640 is the quickest and least expensive way to improve the life of your server in a matter of minutes. Installing the highest capacity memory modules in each memory socket will give you optimal speed improvements.
The PowerEdge R640 server does very well as a video streaming, virtualization, or Web server when the memory is upgraded to the maximum capacity that it can hold. The Dell PowerEdge R640 has 24 memory sockets split into two sets of twelve sockets, and operates on DDR4 ECC Registered DIMMs (RDIMM). Optimize your PowerEdge R640 Server and make it work for you in the most powerful way by upgrading with high quality memory! Find the best RAM deal for your Dell PowerEdge R640 by choosing your desired RAM size from the list below.
Dell R640 Memory Specs
- # of Slots: 24
- Max # DIMMS: 24x64GB
- Max GB: 1.5TB
- DIMMS Supported: 4-8-16-32-64GB
Contact Cloud Ninjas today to help compare your options
View the Dell PowerEdge R640 Technical Guide.
Dell PowerEdge R640 Memory Configuration
The R640 is a Dual Processor system with 12 DIMM slots on each CPU. There are four memory channels per CPU, each managing three DIMM slots. Along with the standard ECC Registered (RDIMMs) memory, the R640 supports options for Load Reduced (LRDIMM) memory. Different speeds can be mixed but the modules will function at the slowest speed installed.
Cloud Ninjas' Dell PowerEdge R640 Memory Upgrade Tips
- The total number of DIMMs for the Dell R640 is 24 slots.
- The PowerEdge R640 supports 4GB, 8GB, 16GB, 32GB, 64GB or 128GB DDR4 ECC Registered. The Maximum amount of RAM the PowerEdge R640 server can hold is 3TB of Registered DIMMs (RDIMMs) memory.
- The Dell R640 also supports load-reduced DIMMs (LRDIMMs) up to 3TB.
- The speeds supported are 2133Mhz, 2400Mhz and 2666MHz.
- When purchasing new memory it is best to purchase identical memory modules to what your system already has. Your current server configuration will determine the supported DIMM type and speed.
- RDIMMs and LRDIMMs must not be mixed.
- Think Long Term! Purchase the maximum amount that your PowerEdge R640 can hold and avoid wasting time and money on modules you won't be able to use if you upgrade again.
- Select a Type
- Registered
- Load Reduced
- Fully Buffered
- ECC Unbuffered
- Select a Speed
- Select a Size
- Select a Speed
- Select a Size
- Select a Speed
- Select a Size
- Select a Speed
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Dell 768GB (24x32GB) DDR4 PC4-2400T PC4-19200 ECC Registered Server Memory Upgrade KitDell 768GB (24x32GB) DDR4 PC4-2400T PC4-19200 ECC Registered Server Memory Upgrade Kit
- Regular price
- $3,359.99
- Sale price
- $3,359.99 Sale
- Unit price
- /per
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Dell 384GB (12x32GB) DDR4 PC4-2666V PC4-21300 ECC Registered Server Memory Upgrade KitDell 384GB (12x32GB) DDR4 PC4-2666V PC4-21300 ECC Registered Server Memory Upgrade Kit
- Regular price
- $1,859.99
- Sale price
- $1,859.99 Sale
- Unit price
- /per
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Dell 256GB (8x32GB) DDR4 PC4-2400T PC4-19200 ECC Registered Server Memory Upgrade KitDell 256GB (8x32GB) DDR4 PC4-2400T PC4-19200 ECC Registered Server Memory Upgrade Kit
- Regular price
- $1,119.99
- Sale price
- $1,119.99 Sale
- Unit price
- /per
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Dell 128GB (4x32GB) DDR4 PC4-2400T PC4-19200 ECC Registered Server Memory Upgrade KitDell 128GB (4x32GB) DDR4 PC4-2400T PC4-19200 ECC Registered Server Memory Upgrade Kit
- Regular price
- $579.99
- Sale price
- $579.99 Sale
- Unit price
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Dell 128GB (8x16GB) DDR4 PC4-2133P PC4-17000 ECC Registered Server Memory Upgrade KitDell 128GB (8x16GB) DDR4 PC4-2133P PC4-17000 ECC Registered Server Memory Upgrade Kit
- Regular price
- $519.99
- Sale price
- $519.99 Sale
- Unit price
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Dell 128GB (4x32GB) DDR4 PC4-2133 PC4-17000 Load Reduced 4Rx4 Memory Upgrade KitDell 128GB (4x32GB) DDR4 PC4-2133 PC4-17000 Load Reduced 4Rx4 Memory Upgrade Kit
- Regular price
- $419.99
- Sale price
- $419.99 Sale
- Unit price
- /per
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Dell 64GB (4x16GB) DDR4 PC4-2400T PC4-19200 ECC Registered Server Memory Upgrade KitDell 64GB (4x16GB) DDR4 PC4-2400T PC4-19200 ECC Registered Server Memory Upgrade Kit
- Regular price
- $339.99
- Sale price
- $339.99 Sale
- Unit price
- /per
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Dell 64GB (4x16GB) DDR4 PC4-2133P PC4-17000 ECC Registered Server Memory Upgrade KitDell 64GB (4x16GB) DDR4 PC4-2133P PC4-17000 ECC Registered Server Memory Upgrade Kit
- Regular price
- $331.99
- Sale price
- $331.99 Sale
- Unit price
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PowerEdge R640 RAM Upgrade
Upgrading the memory to your Dell PowerEdge R640 is the quickest and least expensive way to improve the life of your server in a matter of minutes. Installing the highest capacity memory modules in each memory socket will give you optimal speed improvements.
The PowerEdge R640 server does very well as a video streaming, virtualization, or Web server when the memory is upgraded to the maximum capacity that it can hold. The Dell PowerEdge R640 has 24 memory sockets split into two sets of twelve sockets, and operates on DDR4 ECC Registered DIMMs (RDIMM). Optimize your PowerEdge R640 Server and make it work for you in the most powerful way by upgrading with high quality memory! Find the best RAM deal for your Dell PowerEdge R640 by choosing your desired RAM size from the list below.
Dell R640 Memory Specs
- # of Slots: 24
- Max # DIMMS: 24x64GB
- Max GB: 1.5TB
- DIMMS Supported: 4-8-16-32-64GB
Contact Cloud Ninjas today to help compare your options
View the Dell PowerEdge R640 Technical Guide.
Dell PowerEdge R640 Memory Configuration
The R640 is a Dual Processor system with 12 DIMM slots on each CPU. There are four memory channels per CPU, each managing three DIMM slots. Along with the standard ECC Registered (RDIMMs) memory, the R640 supports options for Load Reduced (LRDIMM) memory. Different speeds can be mixed but the modules will function at the slowest speed installed.
Cloud Ninjas' Dell PowerEdge R640 Memory Upgrade Tips
- The total number of DIMMs for the Dell R640 is 24 slots.
- The PowerEdge R640 supports 4GB, 8GB, 16GB, 32GB, 64GB or 128GB DDR4 ECC Registered. The Maximum amount of RAM the PowerEdge R640 server can hold is 3TB of Registered DIMMs (RDIMMs) memory.
- The Dell R640 also supports load-reduced DIMMs (LRDIMMs) up to 3TB.
- The speeds supported are 2133Mhz, 2400Mhz and 2666MHz.
- When purchasing new memory it is best to purchase identical memory modules to what your system already has. Your current server configuration will determine the supported DIMM type and speed.
- RDIMMs and LRDIMMs must not be mixed.
- Think Long Term! Purchase the maximum amount that your PowerEdge R640 can hold and avoid wasting time and money on modules you won't be able to use if you upgrade again.
- Choosing a selection results in a full page refresh.
- Press the space key then arrow keys to make a selection.