General Details

The Dell PowerEdge R640 is a compact yet powerful 1U rack server designed for dense environments and high-performance computing. It supports up to two 2nd Generation Intel® Xeon® Scalable processors with up to 28 cores each, delivering exceptional performance for virtualization, cloud applications, and SDS.
The R640 provides up to 24 DDR4 DIMM slots with speeds of up to 2933 MT/s, supporting up to 3TB of memory with LRDIMMs and Intel® Optane™ Persistent Memory—ideal for memory-intensive workloads and virtualization needs.
Offering flexible storage configurations, the R640 supports up to 10 x 2.5" or 4 x 3.5" SAS/SATA drives and up to 8 NVMe SSDs, giving users the performance and scalability needed for modern data center operations.
The R640 includes advanced management capabilities through Dell EMC OpenManage tools such as iDRAC9, OpenManage Enterprise, and RESTful Redfish APIs, helping automate routine tasks and improve infrastructure efficiency.
With built-in security features including silicon root of trust, cryptographically signed firmware, Secure Boot, and System Lockdown, the PowerEdge R640 ensures resilient protection across the full IT lifecycle.

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Dell PowerEdge R640 Key Features

Key Features

Increase efficiency and accelerate operations with autonomous collaboration

The Dell OpenManage systems management suite simplifies lifecycle operations for the PowerEdge R640 with intelligent automation, real-time telemetry, and streamlined deployment tools. OpenManage minimizes manual intervention while improving overall efficiency.

RESTful Redfish-compliant APIs, telemetry streaming, and smart thermal management enhance operational visibility and resource optimization across workloads.

Automate routine tasks such as BIOS configurations, firmware updates, and system rollouts using policy-driven templates and workflow automation.

Seamless integration with VMware vCenter, Microsoft System Center, RedHat Ansible, and other platforms ensures centralized lifecycle management across hybrid IT environments.

Protect your data assets and infrastructure with proactive resilience

The PowerEdge R640 includes a cyber-resilient design with silicon root of trust, Secure Boot, System Lockdown, and cryptographically signed firmware to guard against unauthorized access and configuration changes.

Security features such as firmware drift detection, secure BIOS recovery, and Secure Erase provide end-to-end protection and ensure operational consistency.

Support for TPM 1.2/2.0 and a secure supply chain process enables robust hardware trust from production to deployment.

With secure OpenManage APIs, encrypted communication protocols, and compliance-ready audit trails, the R640 supports modern regulatory and data integrity needs.

Intuitive Cloud Operating Experience: Simple, Self-service, and Automated

The Dell PowerEdge R640 is a compact 1U, dual-socket rack server engineered for performance in dense environments. It supports up to two Intel® Xeon® Scalable processors, offering scalability for virtualization, SDS, and edge computing.

With up to 24 DDR4 DIMM slots and support for up to 3TB of memory (6TB with select LRDIMMs and Intel® Optane™), the R640 can meet the demands of compute-intensive and memory-bound workloads.

The server accommodates up to 10 x 2.5" or 4 x 3.5" drives, including options for up to 8 NVMe SSDs. Multiple PCIe Gen3 slots provide flexibility for GPUs, NICs, or additional storage controllers.

Whether deployed in edge locations, data centers, or cloud-integrated infrastructures, the R640 delivers exceptional performance, reliability, and scalability in a dense 1U form factor.

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Dell PowerEdge R640 Specifications

Processor Up to two 2nd Generation Intel® Xeon® Scalable processors
Up to 28 cores per processor

Operating System Canonical Ubuntu Server LTS
VMware ESXi
Microsoft Windows Server with Hyper-V
Red Hat Enterprise Linux
SUSE Linux Enterprise Server

Chipset Intel® C620 chipset

Memory DIMM Speed: Up to 2933 MT/s
Up to 24 DDR4 DIMM slots
Maximum capacity: Up to 3TB (6TB with LRDIMMs and Intel® Optane™ Persistent Memory)

Memory Type RDIMM / LRDIMM / Intel® Optane™ DC Persistent Memory

Maximum RAM Up to 6TB using LRDIMMs and Intel® Optane™

Storage Up to 10 x 2.5" or 4 x 3.5" SAS/SATA/NVMe drives
Supports hot-plug configurations

Storage Controllers Internal: PERC H740P, H730P, HBA330
External: H840

Software RAID S140

Internal Boot Boot Optimized Storage Subsystem (BOSS-S1):
Dual M.2 SSDs (240GB/480GB)

Security Silicon Root of Trust
Cryptographically signed firmware
Secure Boot
System Lockdown (requires iDRAC9 Enterprise)
Secure Erase
TPM 1.2/2.0 FIPS, CC-TCG certified

Management Embedded: iDRAC9 with Lifecycle Controller
iDRAC Service Module
iDRAC Direct

Consoles OpenManage Enterprise
OpenManage Power Manager plugin
SupportAssist plugin
Update Manager plugin

Mobility OpenManage Mobile

Tools Redfish RESTful API
RACADM CLI
IPMI 2.0
System Update Utility
Repository Manager

OpenManage Integrations Microsoft® System Center
VMware® vCenter / vRealize
RedHat® Ansible® Modules
BMC Truesight

OpenManage Connections IBM Tivoli® Netcool/OMNIbus
Micro Focus® Operations Manager
Nagios® Core / XI

Power Supplies Dual hot-plug redundant PSUs:
495W, 750W, 1100W, or 1600W

Ports 4 x 1GbE or 10GbE LOM options
Optional PCIe NICs

Front Ports 1 x Dedicated iDRAC Direct micro-USB
2 x USB 2.0
1 x VGA

Rear Ports 2 x USB 3.0
1 x Serial (optional)
1 x VGA
1 x iDRAC RJ45

Internal Ports 1 x USB 3.0 (optional)

Slots Up to 3 x PCIe Gen3 slots

Bezel Optional security bezel

Form Factor 1U rack server

Dimensions & Weight Height: 42.8 mm (1.68")
Width: 482.0 mm (18.97")
Depth: 734.5 mm (28.91")
Maximum weight: 17.3 kg (38.14 lb)

Rack Support ReadyRails sliding rails with optional cable management arm

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Browse Dell PowerEdge R640 Chassis Models

Refurbished Dell PowerEdge R640 8x2.5"

1U rack server with dual Intel Xeon Scalable processors, supports 8 hot-swappable 2.5" SAS/SATA drives, up to 3TB DDR4 memory, PCIe Gen3 expansion slots, and iDRAC9 for secure and efficient management. Comes with 1-Year TekShield Maintenance and Support, with options to extend up to 5 years

STARTING PRICE:

$240.00

Customize

Refurbished Dell PowerEdge R640 10x2.5"

1U server with dual Intel Xeon Scalable CPUs, supports 10 hot-swappable 2.5" SAS/SATA drives, up to 3TB DDR4 memory, PCIe Gen3 expansion, and advanced iDRAC9 remote management. Comes with 1-Year TekShield Maintenance and Support, with options to extend up to 5 years

STARTING PRICE:

$600.00

Customize

Refurbished Dell PowerEdge R640 10x2.5" NVMe

1U rack server featuring dual Intel Xeon Scalable processors, supports 10 hot-swappable 2.5" NVMe drives for high-speed storage, up to 3TB DDR4 RAM, PCIe Gen3 slots, and iDRAC9 for remote administration. Comes with 1-Year TekShield Maintenance and Support, with options to extend up to 5 years

STARTING PRICE:

$440.00

Customize

Refurbished Dell PowerEdge R640 4x3.5"

1U rack server with dual Intel Xeon Scalable processors, supports up to 4 hot-swappable 3.5" SAS/SATA drives, DDR4 memory up to 3TB, PCIe Gen3 slots, and iDRAC9 for enterprise management and reliability. Comes with 1-Year TekShield Maintenance and Support, with options to extend up to 5 years

STARTING PRICE:

$540.00

Customize

Dell PowerEdge R640 Server

The Dell PowerEdge R640 is a 1U, dual-socket rack server optimized for dense compute environments, including virtualization, private cloud, and high-performance computing. It supports up to two Intel® Xeon® Scalable processors, up to 3TB of DDR4 memory, and offers flexible storage configurations with support for SAS, SATA, and NVMe drives. The R640 delivers powerful performance in a compact footprint, making it ideal for scale-out deployments and space-constrained data centers.

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Refurbished Dell PowerEdge R640 8x2.5"

Refurbished Dell PowerEdge R640 10x2.5"

Refurbished Dell PowerEdge R640 10x2.5" NVMe

Refurbished Dell PowerEdge R640 4x3.5"

Dell PowerEdge R640 Server

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