Dell PowerEdge R640 Rack Mount 1U

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1384 ⁰⁰€

2706 ⁸⁷BGN

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Code: 80129879

Brand:	Dell
Model:	PowerEdge R640
Grade:	Grade A
Storage support:	8x 2.5"
CPU:	2x Intel Xeon 14-Core Gold
CPU frequency:	6132 2600MHz 19.25MB
Memory size:	128GB
Memory type:	RDIMM DDR4
Storage capacity:	No storage
Storage type:	SAS 2.5"
RAID Controller:	PERC H730P/2GB Mini Mono with BBWC
Network card type:	2-port 10Gb SFP+, 2-port 1Gb Ethernet rNDC
PSU:	2x 750W Platinum
Management:	iDRAC9 Enterprise
Case type:	Rack Mount 1U
Warranty:	12 months

Refurbished server • Refurbished Dell PowerEdge R640 • Used server

Dell PowerEdge R640

A compact PowerEdge Gen14 platform for high-density compute, virtualization and scale-out infrastructure.

Dell PowerEdge R640 is a 1U server for organizations that need serious compute density without spending unnecessary rack space.

1U dual-socket rack server Refurbished Dell PowerEdge R640

Model at a glance:

1U form factor for environments where rack space matters.
Well suited for virtualization, private cloud, compute nodes and compact clusters.
Best viewed as a compute-density platform, not as a maximum local-storage server.

Official support View all configurations

Dell PowerEdge R640 refurbished rack server

Infrastructure role

Compute density Very high

Local storage potential Medium

Expansion headroom Lower than 2U

Rack efficiency Excellent

Benefits

Density in 1U

Delivers strong compute capability in a compact chassis, allowing more nodes in the same rack.

PowerEdge Gen14 management

The iDRAC9 ecosystem makes remote administration, firmware maintenance and standardized operations easier.

Flexible compute role

Works well as a virtualization host, application node, backup proxy, management server or part of a larger cluster.

Strong refurbished value

As a refurbished server, the R640 often provides a more capable enterprise platform than a new entry-level tower or rack server.

Description

Dell PowerEdge R640 is a server for situations where rack space has a real cost. It is not a 2U platform that relies on extra internal volume and easier expansion; it is a 1U system designed around density, predictability and rapid deployment of compute nodes.

Its strength is the balance between compact size and enterprise-class architecture. The R640 should not be treated as a universal storage server; it is better understood as a compute unit that can become part of a wider infrastructure.

As a used server, the R640 makes particular sense when it is sold with a clear configuration, tested memory, working power supplies, checked fans, a storage controller appropriate to the exact unit and a real warranty.

The compromise is typical for 1U servers: they are dense, but they are not the quietest or most spacious option. If you need substantial local storage, more PCIe cards or easier physical access inside the chassis, PowerEdge R740 or R740xd may be a better fit.

In short: Dell PowerEdge R640 is a business-class refurbished server for customers who need a compact enterprise foundation for virtualization, applications and clustered environments.

Use cases

Virtualization in limited rack space

For small and medium clusters where every rack unit matters.

Application or services node

For separating business applications, middleware, internal services or test environments.

Private cloud compute layer

When several similar nodes make the environment easier to support.

Backup proxy or management server

When reliability is needed but 2U storage capacity is not the main requirement.

Applications and workload fit

This map shows which applications Dell PowerEdge R640 fits best as a refurbished server and where another form factor, configuration or more specialized platform may be the better choice. The ratings describe the model role, while the final decision should still follow CPU, memory, controller, drive, networking and warranty requirements.

Virtualization

Optimal scenario

Strong 1U choice for multiple VMs or clusters of similar nodes, especially where rack space is limited.

Cloud

Very suitable

Suitable as a compute node for private cloud or internal cloud infrastructure when the storage layer is separate or shared.

Data Storage

Configuration-dependent

Can provide local storage depending on configuration, but it is not a storage-first model; the R740xd is more logical for drive-heavy designs.

Backup

Suitable

Good as a backup proxy, smaller repository or management node; large backup archives are better served by a 2U storage platform.

Edge Computing

Very suitable

The compact 1U format fits branch racks, local cabinets and edge compute roles.

High Performance Computing (HPC)

Suitable

Suitable for CPU compute nodes in a cluster, but not the first choice for workloads requiring many GPUs or large internal volume.

Mission Critical

Suitable

Can support critical services as part of a cluster or HA design, but should not be a single point of failure.

Database

Suitable

Good for moderate databases and test or production systems with shared storage; very large local arrays favor the R740xd.

Web Server

Optimal scenario

Very suitable for web applications, API services and scale-out web tiers.

AI & Machine Learning

Configuration-dependent

Useful for CPU inference, preparation tasks or light ML environments; not a first choice for GPU-heavy training.

Big Data & Analytics

Suitable

Makes sense as a compute node in distributed analytics, not as the main local data lake.

Content Delivery Network (CDN)

Very suitable

Suitable for edge and cache nodes where density and remote management matter.

Email Hosting

Very suitable

Good for corporate mail services, gateways or separated messaging components.

Development and Testing

Optimal scenario

Practical for labs, staging environments, CI/CD runners and isolated test VMs.

Gaming Servers

Suitable

Can host game server processes when a stable rack server is needed, but it is not a graphics-oriented platform.

IoT (Internet of Things)

Very suitable

Suitable for local processing, gateway roles and data collection from IoT devices.

Collaboration Tools

Suitable

Can host SharePoint, Confluence and similar tools when RAM, storage and backup are sized correctly.

Security and Surveillance

Configuration-dependent

Good for management or analytics layers, but not ideal as a large video-storage server.

Load Balancing

Optimal scenario

Very good for load balancers, reverse proxies, gateways and network-facing services.

Media Streaming

Suitable

Suitable for moderate streaming services; large media libraries need a separate storage layer.

Enterprise Applications (ERP, CRM, VDI etc)

Very suitable

Good for ERP/CRM components and VDI compute roles when storage and redundancy are designed separately.

Cache Service

Optimal scenario

Very suitable for Redis, Memcached and other RAM-oriented cache services if enough memory is installed.

File Server

Suitable

Suitable for shared folders and project files when the data volume does not require a storage-first chassis.

Directory & Network Services

Very suitable

Very suitable for DNS, DHCP, Active Directory/LDAP and other internal infrastructure services.

Workload fit map

Compute density Very high

Local storage potential Medium

Expansion headroom Lower than 2U

Rack efficiency Excellent

Infrastructure highlights

1U PowerEdge Gen14 platform
Compute-density focus
Suitable for virtualization and clusters
iDRAC9 management depending on configuration
Strong refurbished value in standardized environments

Useful links

Official support Documentation Technical guide / QuickSpecs Drivers and firmware

Ready to configure this server?

Browse the filtered configurations for this model or send a CTO request based on workload, budget and warranty needs.

View all configurations Contact us

Where this model fits in the series

The R640 is the compact compute model in this group. Compared with the R740, it uses half the rack height but does not offer the same internal room for drives and PCIe expansion. Compared with the R740xd, it is a compute node rather than a storage-first platform.

Not ideal if…

Not ideal if you need maximum local storage, multiple internal PCIe expansions, low noise in an office environment or a server that will sit outside a server room.

Choosing the right form factor

Choose a 1U server such as the R640 when rack space is limited and the goal is more compute nodes. Choose 2U if you prefer more internal volume and better expansion.

Alternative models

Dell PowerEdge R740: if you want a 2U balance of compute, storage and expansion.
Dell PowerEdge R740xd: if the workload is strongly local-storage or software-defined-storage oriented.
HPE ProLiant DL360 Gen10: if you prefer the HPE ecosystem with a similar 1U logic.

Refurbished by ITR Bulgaria : what value do you get?

Buying a refurbished enterprise server makes the most sense when the machine has been checked, configured and prepared for real business use. In that case, used servers become refurbished servers that can be a practical, predictable and professional alternative to new budget systems or much more expensive new enterprise configurations.

Technical and cosmetic assessment according to an internal standard
Checks of processors, memory, power supplies, fans, controllers and management features depending on the exact configuration
Cleaning, refurbishment and configuration for repeated business use
CTO configuration options aligned with workload, budget and availability
Packaging, real warranty and support from ITR Bulgaria

Frequently asked questions

Is the R640 suitable for virtualization?
Yes. That is one of its most natural use cases, especially when compute density in 1U matters.

Can it be used as a storage server?
It can include local storage depending on configuration, but it is not a storage-first model like the R740xd.

What should I check before buying?
CPU, memory type and capacity, drive bay layout, RAID controller, power supplies, network adapters, iDRAC license and warranty.