Description

The Dell PowerEdge R6625 is an advanced 2-socket, 1U rack server designed to deliver exceptional compute density and performance within a compact data-center footprint.

Powered by AMD EPYC 4th Generation 9004 Series processors, the R6625 can be configured with up to two processors, with current Dell documentation supporting processors with up to 128 cores per processor. It combines this processing capability with 24 DDR5 RDIMM slots supporting up to 6TB of memory, PCIe Gen 5 expansion, high-speed NVMe storage, and optional accelerator support.

Its compact 1U architecture makes the R6625 particularly suitable for organizations looking to maximize performance per rack unit.

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Key Features

• Brand: Dell
• Model: PowerEdge R6625
• Form Factor: 1U rack server
• CPU Sockets: 2
• Processor: Up to 2 × AMD EPYC 4th Generation 9004 Series
• Maximum Cores: Up to 128 cores per processor in current Dell documentation
• Memory: 24 × DDR5 RDIMM slots
• Maximum Memory: Up to 6TB
• Memory Speed: Up to 4800 MT/s
• Storage: SAS / SATA / NVMe
• Front Storage: Up to 4 × 3.5″, 8 × 2.5″, 10 × 2.5″, or supported E3.S NVMe configurations
• NVMe: Up to 10 × 2.5″ NVMe or higher-density E3.S configurations
• RAID: PERC H965i, H755, H755N, H355 and HBA355i
• Boot Storage: BOSS-N1 with 2 × M.2 NVMe SSDs
• PCIe: PCIe Gen 5 and Gen 4
• GPU/Accelerator: Up to 3 × 75W single-width accelerators
• Management: iDRAC9
• Networking: Optional 1GbE LOM and OCP 3.0
• Cooling: Air cooling or optional Direct Liquid Cooling
• Power: Redundant hot-plug AC/DC PSU options
• Primary Applications: HPC, virtualization, VDI, databases, analytics, data warehouses and enterprise applications.

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AMD EPYC High-Core-Count Processing

The R6625 supports up to two AMD EPYC 4th Generation 9004 Series processors.

Current Dell documentation lists configurations with processors offering up to 128 cores per CPU, while earlier product documentation listed up to 96 cores. This difference reflects processor/configuration updates over the product’s lifecycle.

The dual-socket architecture provides substantial processing capacity for:

• High-performance computing
• Virtualization
• VDI
• Database applications
• Data analytics
• Data warehouses
• eCommerce platforms
• Enterprise application hosting
• Scientific and engineering workloads

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Up to 6TB DDR5 Memory

The R6625 provides 24 DDR5 RDIMM slots and supports up to 6TB of memory at speeds up to 4800 MT/s.

This large memory capacity is ideal for workloads that require substantial memory bandwidth and capacity, including:

• Large-scale virtualization
• In-memory databases
• Analytics
• HPC
• Data-intensive applications
• Enterprise databases
• VDI environments

The server supports registered ECC DDR5 DIMMs, providing the reliability expected in enterprise computing environments.

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Flexible High-Performance Storage

The R6625 offers a broad selection of storage configurations.

Supported front-drive configurations include:

• Up to 4 × 3.5-inch SAS/SATA HDD or SSD
• Up to 8 × 2.5-inch NVMe SSD
• Up to 10 × 2.5-inch SAS/SATA/NVMe drives
• Up to 14 × E3.S NVMe direct drives
• Up to 16 × E3.S NVMe direct drives in supported configurations.

Rear configurations can also provide additional 2.5-inch or E3.S storage depending on the chassis configuration.

This makes the R6625 suitable for both high-capacity storage and low-latency all-flash/NVMe workloads.

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Advanced RAID Controllers

The PowerEdge R6625 supports Dell’s modern PERC storage-controller portfolio, including:

• PERC H965i
• PERC H755
• PERC H755N
• PERC H355
• HBA355i
• HBA355e for external non-RAID connectivity
• S160 software RAID.

These options allow storage to be configured according to the required balance of:

• Performance
• Capacity
• Redundancy
• Data protection
• Storage architecture

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BOSS-N1 Boot Storage

The R6625 supports Dell’s Boot Optimized Storage Solution N1 (BOSS-N1).

BOSS-N1 can provide operating-system boot storage using two M.2 NVMe SSDs in hardware RAID, helping keep the primary drive bays available for application and data storage.

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PCIe Gen 5 Expansion

The R6625 features PCIe Gen 5-enabled expansion, providing high-bandwidth connectivity for modern networking, storage, and accelerator hardware.

Dell’s rack-server guide lists the R6625 with up to:

• 2 × PCIe Gen 5 slots
• 3 × PCIe Gen 4 slots.

Potential expansion devices include:

• High-speed Ethernet adapters
• Fibre Channel HBAs
• Storage controllers
• SAS HBAs
• NVMe-related devices
• Accelerator cards
• Specialized PCIe hardware

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Accelerator Support

The R6625 supports up to 3 × 75W single-width accelerators in supported configurations.

This capability can benefit workloads such as:

• AI and machine-learning inference
• Data analytics
• Video processing
• Scientific computing
• Specialized HPC applications

The exact accelerator compatibility depends on the server configuration.

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Enterprise Networking

The R6625 supports flexible networking through optional integrated and expansion interfaces.

Dell specifies support for:

• Optional 2 × 1GbE LOM
• OCP 3.0 networking
• Additional PCIe network adapters.

This allows network traffic to be separated for:

• Production
• Management
• Backup
• Storage
• Virtualization
• Application traffic

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iDRAC9 Remote Management

The R6625 includes Dell iDRAC9 for out-of-band server management.

Management capabilities include:

• Hardware monitoring
• Remote power control
• Configuration
• Firmware management
• Hardware inventory
• Troubleshooting
• Lifecycle management
• Redfish REST API integration

Dell also supports the R6625 through its OpenManage management ecosystem.

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Advanced Security

The R6625 incorporates several enterprise security technologies, including:

• AMD Secure Encrypted Virtualization (SEV)
• AMD Secure Memory Encryption (SME)
• Secure Boot
• Silicon Root of Trust
• Cryptographically signed firmware
• Secure Erase
• Secured Component Verification
• System Lockdown
• TPM 2.0
• Data-at-Rest Encryption with supported SEDs.

These features help protect server firmware, hardware integrity, virtual machines, stored data, and system configuration.

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Redundant Power Supplies

The R6625 supports two redundant AC or DC power supplies.

Available options include:

• 800W Platinum
• 1100W Mixed Mode
• 1100W DC
• 1400W Mixed Mode
• 1400W Titanium
• 1800W Titanium

These are hot-swappable configurations designed to support enterprise availability requirements.

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Advanced Cooling

The R6625 supports:

• Standard air cooling
• High-performance fan configurations
• Optional Direct Liquid Cooling (DLC) for supported configurations.

DLC is particularly useful for high-density configurations where processor and accelerator thermal requirements are substantial.

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Compact 1U Design

The R6625 uses a 1U rack-server form factor, making it suitable for high-density data centers.

Approximate dimensions are:

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Ideal Applications

High-Performance Computing

The high core-count AMD EPYC architecture, large DDR5 memory capacity, PCIe Gen 5 connectivity, and optional accelerators make the R6625 highly suitable for HPC environments.

Virtualization

Dual-socket processing and up to 6TB RAM provide substantial capacity for virtual-machine consolidation and dense virtualization.

VDI

The R6625 can support dense virtual desktop environments where high CPU and memory density are important.

Database & Analytics

High core counts, DDR5 memory, and NVMe storage provide a strong platform for demanding database and analytics workloads.

Data Warehousing

The combination of large memory capacity, high-speed processors, and scalable storage is suitable for data warehouse infrastructure.

eCommerce

The R6625 can provide the compute, memory, storage, and networking resources required by transaction-heavy eCommerce environments.

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Technical Specifications

Specifications are configuration-dependent.

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Key Benefits

Exceptional Compute Density: Up to two high-core-count AMD EPYC processors in a compact 1U chassis.

Large Memory Capacity: Up to 6TB DDR5 RDIMM memory for demanding virtualization, database, and HPC workloads.

PCIe Gen 5: High-bandwidth connectivity for modern networking, storage, and accelerator hardware.

Flexible NVMe Storage: Supports multiple NVMe and E3.S configurations for high-performance applications.

Advanced RAID: Multiple PERC options provide flexible enterprise storage management.

Accelerator Ready: Supports up to three 75W single-width accelerators in supported configurations.

Advanced Management: iDRAC9 and OpenManage simplify monitoring, configuration, firmware management, and lifecycle operations.

Enterprise Security: AMD SEV/SME, Secure Boot, Silicon Root of Trust, TPM 2.0, and other security technologies provide a strong protection framework.

High-Density 1U Design: Maximizes computing capacity per rack while minimizing data-center footprint.

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Product Summary

The Dell PowerEdge R6625 is a high-performance 1U dual-socket AMD-based enterprise rack server designed for organizations that require exceptional compute density, high memory capacity, fast storage, and modern I/O.

With support for up to two AMD EPYC 4th Generation 9004 processors, up to 6TB DDR5 memory, PCIe Gen 5, SAS/SATA/NVMe storage, E3.S NVMe options, advanced PERC RAID controllers, BOSS-N1 boot storage, optional accelerators, redundant power supplies, and iDRAC9, the R6625 is an excellent solution for HPC, virtualization, VDI, databases, analytics, data warehousing, eCommerce, and other demanding enterprise workloads.