Dell PowerEdge R7725 Buyers Guide
Dual 5th Gen AMD EPYC 9005 — Up to 384 Zen5 Cores Total
Two AMD EPYC 9005 Series (Zen5) — Dual-socket design supporting two 5th Generation AMD EPYC processors with up to 192 cores each — up to 384 cores total for extreme parallel throughput
50% More Cores vs Previous Gen — Zen5 architecture delivers up to 50% more cores per processor over the Zen4c-based R7625 predecessor
Max TDP: 500 W per Processor — Highest-TDP AMD EPYC 9005 configurations supported, enabling the most demanding HPC and dense virtualization workloads
CXL 2.0 Support — Both sockets support CXL Type 3 memory expansion for compute-near-memory architectures and memory pooling
PCIe Link Encryption — Hardware-level PCIe link encryption and hot-plug port reconfiguration across both processor complexes
Ideal Workloads — Purpose-built for Virtualization, VDI, High-Performance Computing (HPC), big data analytics, AI/ML, and data warehouse applications
24-Slot DDR5 RDIMM — Up to 6 TB at 6400 MT/s
24 DDR5 DIMM Slots — 12 slots per CPU across the dual-socket design, each CPU leveraging 12 DDR5 memory channels for balanced bandwidth
Maximum Capacity: 6 TB — Achieved with 256 GB eight-rank RDIMMs across all 24 slots for in-memory SAP HANA, Oracle, and analytics workloads
Speed: Up to 6400 MT/s — Faster than the R7715's 5200 MT/s, enabling higher memory bandwidth for HPC, AI, and latency-sensitive applications
ECC RDIMM Only — Registered ECC DDR5 DIMMs exclusively for enterprise-grade data integrity across both sockets
CXL Memory Expansion — CXL 2.0 Type 3 device support on both processor complexes allows memory pooling beyond the DIMM slot limit
33% Faster vs R7625 — Memory speed jumps from 4800 MT/s on the R7625 to 6400 MT/s on the R7725 — a significant bandwidth upgrade for data-intensive workloads
Flexible Drive Bay Configurations — Up to 40 EDSFF E3.S Gen5 NVMe
No Backplane / Driveless — Pure compute configuration for workloads that use networked or DAS storage
Up to 8 × 2.5" Universal — SAS, SATA, or NVMe hybrid bays for mixed-media environments
Up to 12 × 3.5" SAS/SATA — High-capacity spinning media for archive, NAS, and backup
Up to 24 × 2.5" SAS/SATA — Dense SFF all-flash or mixed SAS/SSD configuration
Up to 16 × 2.5" SSD + 8 × U.2 NVMe — Tiered hybrid storage combining SAS/SATA capacity with NVMe performance
Up to 40 × EDSFF E3.S Gen5 NVMe — Maximum all-flash density at PCIe Gen 5 speeds for software-defined storage and HCI
Additional EDSFF configs — 8×, 16×, and 32× EDSFF E3.S Gen5 NVMe variants for right-sized deployments
PERC RAID Controllers — H365i, H965i & H975i
PERC H365i — Internal entry-level RAID controller supporting RAID 0, 1, 5, 6, 10, 50, 60 for SAS/SATA workloads
PERC H965i — Internal high-performance RAID controller with NVMe support and advanced tiering capabilities
PERC H975i — Internal high-performance RAID controller; ESXi support requires v9.0 or later
Front PERC 12 or 13 — Optional front-mounted PERC module supported via FPGA PESTI for additional controller flexibility
External HBA: HBA465e — Non-RAID external host bus adapter for direct SAS/SATA attached storage arrays and SAN environments
No Software RAID — All RAID handled by dedicated hardware PERC controllers for consistent, predictable performance under dual-socket load
BOSS-N1 DC-MHS Boot Module — Dedicated OS Drive Bay
BOSS-N1 DC-MHS — Boot Optimized Storage Subsystem with Datacenter Modular Hardware System support; dedicated M.2 SSD boot media fully independent of data drives
Internal USB Boot — Optional internal USB 3.1 Type-A port for legacy boot media or OS deployment tooling
FPGA PESTI — Supports payload data for Front PERC 12 or PERC 13 and BOSS-N1 DC-MHS for unified firmware management across both processor domains
Non-Disruptive OS Management — BOSS module keeps the OS drive separate from data storage arrays, allowing data drive hot-swap without OS impact
DC-SCM Integration — Datacenter-ready Secure Control Module provides secured boot chain from silicon through firmware to OS
Up to 2 × 450 W Double-Wide GPU Accelerators
Double-Wide GPUs — Up to 2 × 450 W double-wide GPU cards for AI inference, training, and HPC acceleration, powered directly by PCIe Gen 5
Single-Wide GPUs — Up to 6 × 75 W single-wide GPU cards for lighter inference, video analytics, or edge AI workloads
Upgrade vs R7625 — R7725 supports 450 W double-wide GPUs versus 300 W on the previous-generation R7625, enabling newer higher-TDP accelerators
AI/ML Support — GPU configurations designed to support AI/ML workloads alongside AMD EPYC 9005 compute — both CPU and GPU in a single 2U chassis
Validated Only — Only Dell-validated GPU cards are supported; unauthorized GPU installation voids system warranty
NVIDIA BlueField-3 DPU — SmartNIC Offload & Infrastructure Acceleration
NVIDIA BlueField-3 B3220 — 2 × 200 GbE networking, PCIe Gen5 x16, 150 W — offloads networking, storage, and security services from both AMD EPYC processors
NVIDIA BlueField-3 B3140H — 1 × 400 GbE networking, PCIe Gen5 x16, 75 W — single high-speed port for simplified high-bandwidth cabling
System-on-Chip Design — ARM cores, high-performance NIC, and programmable acceleration engines in a single card for converged infrastructure offload
Dual-Socket Benefit — With 384 CPU cores available, DPU offload frees the EPYC processors entirely for compute workloads rather than infrastructure overhead
Workload Offload — Accelerates virtual switching, storage protocols, zero-trust security, and encryption at line rate without CPU cycles
Up to 8 PCIe Gen5 Slots — x8 & x16 Configurations
8 PCIe Gen5 Slots — Mix of x8 and x16 connectors across 8 slots; all operating at Gen 5 speeds for GPU, NIC, NVMe, and DPU expansion
Slot 1 — x8 Gen5 Full Height via R1a riser
Slot 2 — x16 or x8 Gen5 Full Height, or x16 Dual Width Full Length via R1a/R1b risers
Slots 3 & 9 — x16 Gen5 Full Height or Low Profile via R2a/R2b risers — ideal for high-bandwidth NICs and HBAs
Slot 4 — x16 or x8 Gen5 Full Height, or x16 OCP 3.0 via R3a/R3e risers
Slot 5 — x8 Gen5 Full Height via R3a riser
Slots 7 & 8 — x16 or x8 Gen5 Full Height, dual-width capable via R5b/R5e risers for large accelerator cards
Slot 10 — Dedicated OCP NIC 3.0 x16 slot; Slot 6 reserved for BOSS module x4
Dual OCP NIC 3.0 — Up to 400 GbE per Card
Dual OCP NIC 3.0 — Two OCP NIC 3.0 slots (Slot 4 and Slot 10) for separate management and data plane fabric connectivity across both processor domains
OCP Speed Options — 1 GbE × 4, 10 GbE × 2/4, 25 GbE × 2/4, 100 GbE × 2, 200 GbE × 2 (configurable to 400 GbE × 1) per OCP slot
1 Gb Dedicated BMC Port — DC-SCM provides a dedicated 1 Gb out-of-band Ethernet port for isolated iDRAC management traffic
PCIe Add-in NIC — PCIe Add-in Card NICs support 100 GbE × 2 and 400 GbE × 1 for high-performance data center networking
Fibre Channel HBA — FC32 and FC64 Fibre Channel HBA support for SAN connectivity
NDR VPI — InfiniBand/NDR VPI (400 GbE) PCIe AIC for HPC cluster interconnects and AI fabric
Hot-Swap Redundant PSUs — Up to 3200 W Titanium
Titanium Efficiency (800 W & 1100 W) — Mixed-mode C13 PSUs for standard 100–240 Vac or 240 Vdc dual-socket deployments
High-Power Titanium (1500 W & 2400 W) — For dual-socket 500 W TDP processor configurations and GPU-dense deployments; 1500 W also in 277 Vac/HVDC variant
3200 W Titanium — Maximum power for both sockets at maximum TDP; available in 200–240 Vac and 277 Vac/HVDC versions
Telco DC: 1400 W — (-48)–(-60) Vdc for telco/carrier-grade deployments
Platinum PSUs (800 W & 1100 W) — Cost-optimized efficiency tier for standard data center use cases
Full N+1 Redundancy — Two hot-swap PSU bays; M-CRPS 73.5 mm (3200/2400 W) and 60 mm form factors supported
SmartCooling — Air + Direct Liquid Cooling for Dual 500 W TDP
Air Cooling — Up to 6 hot-plug fans across Silver, Gold, and Platinum HPR tiers; SmartCooling design allows most configurations to remain fully air-cooled
Direct Liquid Cooling (DLC) — Available for high-TDP processor configurations requiring both sockets at 500 W TDP — where air cooling reaches its thermal ceiling
2U Heatsink — Standard 2U heatsink (part 5XD0R variant) for non-GPU air-cooled configurations across the full processor range
Improved Heat Sinks — Next-generation heatsink design for better thermal performance compared to R7625 predecessor
SmartCooling — Intelligent fan speed management ensures optimal acoustic and energy balance under varying dual-socket workload intensities
Environmental Range — ASHRAE A2: 10–35°C; A3: 5–40°C; A4 & Rugged: 5–45°C/55°C with altitude de-rating
Cyber Resilient Architecture — Silicon Root of Trust Across Both Sockets
Silicon Root of Trust — Immutable silicon-anchored boot resilience verifying firmware integrity across both processor domains from power-on through full OS load
AMD Secure Encrypted Virtualization (SEV) — Per-VM hardware memory encryption on both sockets for multi-tenant isolation in dense virtualization environments
AMD Secure Memory Encryption (SME) — Full system memory encryption at the hardware level for data-at-rest protection with zero software overhead
TPM 2.0 — FIPS & CC-TCG Certified — Hardware-rooted cryptographic key storage for measured boot, compliance mandates, and key management
Secured Component Verification — Supply chain integrity check from factory to deployment, detecting unauthorized component substitution
Additional Controls — Cryptographically Signed Firmware, Secure Boot, Secure Erase, System Lockdown, Chassis Intrusion Detection, and SED Data at Rest Encryption
iDRAC10 + OpenManage — Autonomous Dual-Socket Server Management
iDRAC10 (Express, Enterprise, Datacenter) — Next-generation Integrated Dell Remote Access Controller with AI-assisted diagnostics, autonomous operations, and dual-socket telemetry — a major upgrade over iDRAC9 on the R7625
iDRAC Direct (USB-C) — Front-panel USB-C HOST/BMC Direct port for local management and diagnostics without a network connection
RESTful API with Redfish — Industry-standard API for infrastructure-as-code, automation pipelines, and GitOps server management
Racadm CLI — Command-line interface for scripted configuration, firmware updates, and mass fleet deployment
OpenManage Enterprise (OME) — Unified console for lifecycle management, power monitoring, firmware updates, and APEX AIOps Observability across dual-socket server fleets
Automation Integrations — Red Hat Ansible Collections and Terraform Providers for infrastructure-as-code workflows at scale
Broad OS & Hypervisor Compatibility — Linux, Windows, VMware
Canonical Ubuntu Server LTS — Official Ubuntu LTS support for cloud-native, containerized, and AI workload deployments across both sockets
Microsoft Windows Server with Hyper-V — Full Windows Server certification including Hyper-V for mixed Windows/Linux virtualization environments
Red Hat Enterprise Linux (RHEL) — Certified RHEL support for enterprise Linux, OpenShift, and automation-driven infrastructure
SUSE Linux Enterprise Server (SLES) — SUSE certification for SAP HANA, HPC, and high-reliability Linux workloads on dual-socket AMD EPYC
VMware ESXi — VMware virtualization support for dense vSphere deployments; PERC H975i requires ESXi 9.0 or later
PXE Boot — Network boot for zero-touch provisioning and OS deployment at scale across large server fleets
Rack Rail Integration — Standard 2U Rack Compatibility
2U Form Factor — 86.8 mm (3.42 in) height × 482 mm (18.98 in) width × 802.4 mm (31.59 in) depth (with bezel); fits standard 19-inch racks
Standard Rack Compatibility — Compatible with Dell standard rack enclosures and third-party ANSI/EIA-310 racks
Rail & CMA Support — Full rail sizing and cable management arm (CMA) documentation for proper 2U deployment with two high-TDP processors
Optional Metal Bezel — Front metal bezel for dust protection and physical security in open-rack data center environments
Optional LCP KVM — Left Control Panel with USB 2.0 and Mini DisplayPort for local console access without a dedicated KVM switch
Express Service Tag — Slide-out label with Service Tag, NIC/MAC addresses, and iDRAC secure default password for rapid field identification
R7725 vs R7625 — The Gen 17 Dual-Socket AMD EPYC Upgrade
| Feature | PowerEdge R7725 (Gen 17) | PowerEdge R7625 (Gen 16) |
|---|---|---|
| Processors | 2 × AMD EPYC 9005 (Zen5) — up to 192 cores each | 2 × AMD EPYC Genoa (Zen4c) — up to 128 cores each |
| Total Cores | Up to 384 cores | Up to 256 cores |
| Max TDP | 500 W per processor | Lower TDP per processor |
| Memory Slots | 24 DDR5 DIMM slots | 24 DDR5 DIMM slots |
| Memory Speed | Up to 6400 MT/s | Up to 4800 MT/s |
| GPU Max TDP | 2 × 450 W DW | 2 × 300 W DW |
| Cooling | Air + Direct Liquid Cooling | Air only |
| Management | iDRAC10 | iDRAC9 |
| OCP NIC | Dual OCP NIC 3.0 | Single OCP NIC 3.0 |
| Max NVMe | Up to 40 × EDSFF E3.S Gen5 | Up to 32 × E3.S Gen5 |
50% More Cores per Socket — 192 Zen5 vs 128 Zen4c; up to 384 total vs 256 total — a 50% increase in peak compute density
33% Faster Memory — 6400 MT/s DDR5 vs 4800 MT/s unlocks significantly higher memory bandwidth for HPC and AI workloads
Liquid Cooling Added — R7725 adds DLC for maximum-TDP dual-socket configurations not thermally possible on the R7625
iDRAC10 Upgrade — Next-generation management with AI-assisted diagnostics and autonomous operations over R7625's iDRAC9
Dell Technologies Services — ProSupport, ProDeploy & Beyond
ProSupport Infrastructure Suite — 24×7 expert technical support with predictive issue detection, automated case creation, and proactive diagnostics via Secure Connect Gateway
ProDeploy Infrastructure Suite — Rack, stack, configure, and validate — accelerating time to production for dual-socket EPYC deployments
Professional Services for AI — Specialized consulting for high-value AI/ML use cases leveraging the R7725's 384-core compute capacity
Secure Connect Gateway (SCG) — Automated monitoring opens support cases and uploads diagnostics to Dell Support automatically across both processor domains
DAY 2 Automation with Ansible — Post-deployment infrastructure automation via Red Hat Ansible Collections for ongoing configuration management
170+ Global Locations — Service and support backed by 60,000+ Dell employees and partners worldwide
APEX Flex on Demand — Consumption-based acquisition letting you pay for R7725 capacity based on actual usage
Frequently Asked Questions — Dell PowerEdge R7725
The R7725 supports up to 6 TB of DDR5 RDIMM memory across 24 DIMM slots (12 per socket) using 256 GB eight-rank modules. Memory runs at up to 6400 MT/s — 33% faster than the R7625 predecessor's 4800 MT/s — making it ideal for HPC, AI/ML, and data-intensive workloads that demand both high capacity and high bandwidth.
The R7725 supports a wide range of drive configurations, from a driveless chassis up to 40 × EDSFF E3.S Gen5 NVMe drives for maximum all-flash density. It also supports 24 × 2.5-inch SAS/SATA, 12 × 3.5-inch SAS/SATA, and hybrid options like 16 × 2.5-inch SSD + 8 × U.2 NVMe — giving data centers precise right-sizing for any workload.
The R7725 supports two AMD EPYC 9005 Series processors with up to 192 Zen5 cores each — a maximum of 384 total cores in a single 2U chassis. This is a 50% core count increase over the R7625's maximum of 256 cores (2 × 128 Zen4c). With 384 cores and 6 TB DDR5 at 6400 MT/s, the R7725 is purpose-built for the most demanding HPC, VDI, and virtualization deployments.
Yes. Express Computer Systems stocks professionally reconditioned refurbished Dell PowerEdge R7725 servers tested, cleaned, and configured to your specifications — ready to deploy at significant cost savings versus new. Shop refurbished Dell R7725 servers at ECS.
The R7725 is a major generational upgrade from the R7625. Key improvements include 50% more cores per socket (192 Zen5 vs 128 Zen4c), memory speed from 4800 MT/s to 6400 MT/s, higher GPU TDP support (450 W vs 300 W double-wide), Direct Liquid Cooling added for high-TDP configurations, more NVMe drive support (40 vs 32 EDSFF), and upgraded management from iDRAC9 to iDRAC10.
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