Used Dell R640 PowerEdge 1U Servers

Alta Technologies buys & sells new, used, and refurbished Dell PowerEdge R640 Servers and Upgrades. Whether you need a fully configured system or simply require a feature or part, we carry a broad array of Used Dell R640 Server hardware. We also buy your excess used Dell servers.

Dell R640 Information

PowerEdge tower servers are designed to meet the demands of today's office by delivering quiet, concentrated processing in a small footprint. Tower servers are simple to set up, maintain, and automate.


The Dell PowerEdge R640 Server is a 1U server, ideal for most data centers to provide scalable computing and storage featuring a 2-socket platform that ideally combines performance, cost, and density. 

A dual-socket platform is ideal for scale-out computing and a storage-dense data center. With Dell PowerEdge R640 Server, you can enjoy the flexibility of 2.5” or 3.5” drives, the performance of NVMe, and embedded intelligence to optimize application performance - all in a secure platform. The R640 Server also provides embedded diagnostics and SupportAssist, delivering maximum uptime without any hassle. 

For dense scale-out data center computing and storage, the PowerEdge R640 is the appropriate dual-socket platform. To ensure optimized application performance in a secure platform, take use of the flexibility of 2.5" or 3.5" disks, the optimizing performance of NVMe, and integrated intelligence.

Dell's PowerEdge R640 server platform is a dual-socket server architecture designed for dense software-defined storage, application tier service providers, dense private cloud, virtualization, and high-performance computing (HPC). The PowerEdge R640 was released in 2017 and stood out for being well suited for a variety of users.


The PowerEdge R640 system supports up to two AC or DC power supply units (PSUs). NOTE If system with 1100 W AC or HVDC PSU operates from 100 to 120V, the power rating per PSU is derated to 1050 W. NOTE If system with 1600 W PSUs operates from 100 to 120 V, then the power rating per PSU is derated to 800 W.


The iDRAC is a piece of hardware that sits on the server motherboard and allows System Administrators to upgrade and administer Dell servers even when they are switched off. Administrators can also execute remote management operations using the iDRAC's web interface and command line interface.

Ideal workloads

  • Dense software-defined storage

  • Service providers: application tier

  • Dense private cloud

  • Virtualization

  • HPC


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Dell R640 Server Specifications

The Dell EMC PowerEdge R640 is one of the 14th generation lines of Dell Inc. servers. It is designed to enable 4x more VMs per server and reduce the total ownership cost by up to 70%. The dell r640 specs make it particularly versatile and well suited for different users. This is primarily because of its 1U form factor. It also supports Intel Xeon scalable processors, which allow for a 27% increase in processing core. Likewise, the optional NVMe and NVDIMMs hard drives allow for optimized application performance by reducing latency. 

In terms of processor memory, the  Dell EMC PowerEdge R640 allows for flexible configuration, supporting up to 24 RDIMM or LRDIMM. It supports up to 1.5TB, making it perfect for in-memory processes like Hadoop. Additionally, the server can support up to 12 NVDIMM to ensure optimized application performance, maximize storage performance, and create a  worry free environment. However, two processors and 12 RDIMM (16GB, 32GB, or 64GB) must be added to augment the NVDIMM. You should bear in mind that the 8GB RDIMM is not compatible with NVDIMM. 

The PowerEdge R640 server has a system-erase technology that keeps data safe while allowing the administrator to clear the data from the server efficiently and quickly.

Conclusively, the R640 Dell server has excellent specifications that make it ideal for most data centers. The Intel Xeon scalable processors, NVDIMM, and NVMe drives have impressive specifications that maximize application performance. This makes the PowerEdge R640 server robust to handle even the most demanding computing processes. 

You can also read the Dell R640 technical guide if you want to go more into detail about the Dell PowerEdge R640 specs. 

However, if you are looking for something more powerful or something cheaper, we have a wide variety of other Dell PowerEdge servers you can check out. You can compare products and go with the one that will suit your specific needs.

Specification Table

Server Type: 1U Rackmount Server

Processors: 2 x Intel Xeon Scalable Processor Family with 38.5MB cache & 26 cores per processor operating system.

Memory: 24 DIMM Slots (Fully expandable up to 7.68TB DDR4 2933 MT/s RDIMM and LRDIMM)

Drives: 4 Drive Slots (Up to 8x 2.5" & 10x 2.5" SAS/SATA HDD/SSD Drives)

I/O Slots: 3 PCIe card slots plus a dedicated PERC slot and dedicated iDRAC network port.

Remote Access Card: iDRAC8 or iDRAC9 with Lifecycle Controller

Internal Storage: 8x 2.5" - Up to 16TB (NL-SAS/SATA) / 19.2TB (SAS) / 30.72TB (SSD), 10x 2.5" - Up to 20TB (NL-SAS/SATA) / 24TB (SAS) / 38.4TB (SSD) 

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