PowerEdge R660 Rack Server

Provides performance and versatility as needed to address your most demanding applications

The new Dell PowerEdge R660 is a 1U, two-socket rack server. Gain the performance you need with this full-featured enterprise server, designed to optimize even the most demanding workloads like dense database analytics and high-density virtualization.

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Tech Specs & Customization


  • Up to two 4th Generation Intel Xeon Scalable or Intel Xeon Max processors
  • Up to 56 cores
  • Optional Intel® QuickAssist Technology



  • 32 DDR5 DIMM slots
  • Supports RDIMM
  • 8 TB max memory
  • Speeds up to 4800 MT/s
  • Supports registered ECC DDR5 DIMMs only


Storage Controllers:

  • Internal Controllers (RAID): PERC H965i, PERC H755, PERC H755N, PERC H355, HBA355i
  • External Controller: PERC H965e
  • Internal Boot: Boot Optimized Storage Subsystem (BOSS-N1): HWRAID 2 x M.2 NVMe SSD drives, or USB
  • External HBAs (non-RAID): HBA355e
  • Software RAID: S160


Drive Bays:

Front bays:

  • Up to 10 x 2.5-inch, SAS/SATA/NVMe (HDD/SSD) max 153.6 TB
  • Up to 8 x 2.5-inch, SAS/SATA/NVMe, (HDD/SSD) max 122.88 TB
  • Up to 14 x EDSFF E3.S Gen5 NVMe (SSD) max 179.2 TB
  • Up to 16 x EDSFF E3.S Gen5 NVMe (SSD) max 204.8 TB


Rear bays:

  • Up to 2 x 2.5-inch, SAS/SATA/NVMe max 30.72 TB
  • Up to 2 x EDSFF E3.S Gen5 NVMe (SSD) max 25.6 TB


Power Supplies:

  • 1400W Titanium 277 VAC or 336 HVDC
  • 1800W Titanium 200—240 HLAC or 240 HVDC
  • 1400W Platinum 100—240 VAC or 240 HVDC
  • 1100W Titanium 100—240 VAC or 240 HVDC
  • 1100W -(48—60) VDC
  • 800W -(48—60) VDC
  • 800W Platinum 100—240 VAC or 240 HVDC
  • 700 W Titanium 200—240 HLAC or 240 HVDC
  • Hot swap with full redundant capability


Cooling Options:

  • Air cooling
  • Optional Direct Liquid Cooling (DLC) (requires rack manifolds and a cooling distribution unit – CDU)



  • Standard (STD) fans/High performance Gold (VHP) fans
  • Up to 4 sets (dual fan module) hot-plug fans



  • Height – 42.8 mm (1.68 inches)
  • Width – 482 mm (18.97 inches)
  • Depth – 822.88 mm (32.39 inches) with bezel
  • 809.04 mm (31.85 inches) without bezel


Form Factor:

  • 1 U rack server


Embedded Management:

  • iDRAC9
  • iDRAC Direct
  • iDRAC RESTful API with Redfish
  • iDRAC Service Module
  • Quick Sync 2 wireless module



  • Optional LCD bezel or security bezel


OpenManage Software:

  • OpenManage Enterprise
  • OpenManage Power Manager plugin
  • OpenManage Service plugin
  • OpenManage Update Manager plugin
  • CloudIQ for PowerEdge plug-in
  • OpenManage Enterprise Integration for VMware vCenter
  • OpenManage Integration for Microsoft System Center
  • OpenManage Integration with Windows Admin Center



  • OpenManage Mobile


OpenManage Integrations:

  • BMC Truesight
  • Microsoft System Center
  • OpenManage Integration with ServiceNow
  • Red Hat Ansible Modules
  • Terraform Providers
  • VMware vCenter and vRealize Operations Manager



  • Cryptographically signed firmware
  • Data at Rest Encryption (SEDs with local or external key mgmt)
  • Secure Boot
  • Secure Erase
  • Secured Component Verification (Hardware integrity check)
  • Silicon Root of Trust
  • System Lockdown (requires iDRAC9 Enterprise or Datacenter)
  • TPM 2.0 FIPS, CC-TCG certified, TPM 2.0 China NationZ


Embedded NIC:

  • 2 x 1 GbE LOM card (optional)


Network Options:

  • 1 x OCP card 3.0 (optional)
  • 1 x Management Interface Card (MIC) to support Dell Data Processing Unit (DPU card) (optional) Note: The system allows either LOM card or an OCP card or both to be installed in the system.


GPU Options:

  • Up to 3 x 75 W SW



Front Ports:

  • 1 x iDRAC Direct (Micro-AB USB) port
  • 1 x USB 2.0
  • 1 x VGA


Rear Ports:

  • 1 x Dedicated iDRAC Ethernet port
  • 1 x USB 2.0
  • 1 x USB 3.0
  • 1 x Serial (optional)
  • 1 x VGA (optional for Direct Liquid Cooling configuration)


Internal Ports:

  • 1 x USB 3.0 (optional)



Up to three PCIe slots:

  • Slot 1: 1 x16 Gen5 Full height, 3/4 length, Half length or 1 x8/ 1 x16 Gen 5 or 1 x16 Gen 4 Low profile, Half length
  • Slot 2: 1 x16 Gen5 Full height, 3/4 length, Half length or 1 x16 Gen 5 or 1 x16 Gen 4 Low profile, Half length
  • Slot 3: 1 x8/ 1 x16 Gen 5 or 1 x16 Gen 4 Low profile, Half length


Operating System and Hypervisors:

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


For specifications and interoperability details, see Dell.com/OSsupport.

Product Details

Max Performance

  • Add up to two Next Generation Intel® Xeon® Scalable or Intel® Xeon® Max processors with up to 56 cores for faster and more accurate processing performancet.

  • Accelerate in-memory workloads with up to 32 DDR5 RDIMMS up to 4400 MT/sec (2DPC) or 4800 MT/sec for 1DPC (16 DDR5 RDIMMs max)

  • Support for GPUs including 3 x single-wide for workloads requiring acceleration

Air Cooled at Peak Performance

  • New Smart Flow chassis optimizes airflow to support the highest core count CPUs in an air-cooled environment within the current IT infrastructure.

  • Support for up to 8 x 2.5” drives and 2 x 350 watt processors.

Gain Agility

  • Achieve maximum efficiency with multiple chassis designs that tailor to your desired workloads and business objectives.

  • Storage options include up to 8 x 2.5” NVMe/SAS4/SATA, plus up to 10 x 2.5” NVMe/SAS4/SATA, 14/16 x NVME E3.S Gen5.

  • Multiple Gen4 and Gen5 riser configurations (up to 3 x PCIe slots) with interchangeable components that seamlessly integrate to address customer needs over time.

Cyber Resilient Architecture for Zero Trust IT environment & operations

Security is integrated into every phase of the PowerEdge lifecycle, including protected supply chain and factory-to-site integrity assurance. Silicon-based root of trust anchors end-to-end boot resilience while Multi-Factor Authentication (MFA) and role-based access controls ensure trusted operations.

Increase efficiency and accelerate operations with an autonomous infrastructure

The Dell OpenManage™ systems management portfolio delivers a secure, efficient, and comprehensive solution for PowerEdge servers. Simplify, automate and centralize one-to-many management with the OpenManage Enterprise console and iDRAC.

PowerEdge R660

The Dell PowerEdge R660 offers powerful performance in a purpose-built, cyber resilient, mainstream server. Ideal for:

  • High Density Virtualization
  • Dense Database Analytics
  • Mixed Workload Standardization


From recycled materials in our products and packaging, to thoughtful, innovative options for energy efficiency, the PowerEdge portfolio is designed to make, deliver, and recycle products to help reduce the carbon footprint and lower your operation costs. We even make it easy to retire legacy systems responsibly with Dell Technologies.