Quick Comparison of PowerEdge R7615 Rack Server vs ThinkSystem SR665 V3 Rack Server at a Glance

The server comparison table provides a quick overview of the key specifications and key features for PowerEdge R7615 Rack Server and ThinkSystem SR665 V3 Rack Server Let’s take a look at the comparison table below.

Features	PowerEdge R7615 Rack Server View Check the Price	ThinkSystem SR665 V3 Rack Server View Check the Price
Server Type / Form Factor	Type: Enterprise Rack Server Form Factor: 2U Rack Socket: Single-socket (1 x 4th Gen AMD EPYC 9004 Series processor)	Type: Enterprise Rack Server Form Factor: 2U Rack Socket: Dual-socket (2 x 5th Gen AMD EPYC 9005 "Turin")
Processor (CPU)	Processor Family: 4th Generation AMD EPYC 9004 Series Max Sockets: 1 Max Cores per Socket: Up to 128 cores Max TDP: Up to 400 W (varies by SKU) Max L3 Cache: Up to 256 MB per processor	Processor Family: 5th Generation AMD EPYC 9005 Series Max Sockets: 2 Max Cores per Socket: Up to 160 cores Max TDP: Up to 400 W per processor Cache: Up to 384 MB L3 cache per processor
Memory (RAM)	Memory Type: DDR5 RDIMM (registered ECC only) DIMM Slots: 12 DDR5 DIMM slots Maximum Capacity: Up to 3 TB Speed: Up to 4800 MT/s Protection: ECC with advanced RAS features	Memory Type: TruDDR5 with ECC (RDIMM, 3DS RDIMM) DIMM Slots: 24 DIMM slots (12 per processor) Maximum Capacity: Up to 6 TB Speed: Up to 6400 MHz (1DPC) Protection: Advanced ECC and RAS features
Storage	Front Drive Bay Options: Up to 24 x 2.5-inch SAS/SATA/NVMe (max 368.64 TB) Configuration Option: Up to 16 x 2.5-inch SAS/SATA/NVMe (max 245.76 TB) Configuration Option: Up to 12 x 3.5-inch SAS/SATA (max 240 TB) Configuration Option: Up to 8 x 3.5-inch SAS/SATA (max 160 TB) Rear Drive Bays: Up to 4 x 2.5-inch SAS/SATA/NVMe RAID Support: PERC H965i, H755, H755N, H355, HBA355i controllers	Drive Bay Options: Up to 40 x SFF (2.5-inch) hybrid bays Alternative Configuration: Up to 24 x LFF (3.5-inch) bays Supported Drives: SAS, SATA, NVMe SSD/HDD RAID Support: ThinkSystem RAID controllers (RAID 0, 1, 5, 6, 10, 50, 60)
Expansion / Connectivity	PCIe Slots: Multiple PCIe Gen5 slots (configuration dependent) Networking: LOM daughter card or OCP 3.0 (1/10/25 GbE options) GPU Support: Up to 3 x 300W DW or 6 x 75W SW GPUs Front Ports: 1x iDRAC Direct (Micro-AB USB), USB 3.2 Gen1	PCIe Slots: PCIe 5.0 and 4.0 slots (multiple x16 configurations) Networking: OCP 3.0/4.0 slots (10/25/100/200 GbE options) GPU Support: Up to 8x GPUs (air-cooled or liquid-cooled options)
Redundancy & Reliability	Power: Redundant hot-plug PSUs (800W Platinum, 1100W Titanium, 1400W Platinum/Titanium, 1800W Titanium, 2400W Platinum) Cooling: Up to 6 hot-plug high-performance fans Reliability: Hot-swap components, tool-less serviceability	Power: Redundant hot-plug PSUs (1100W Titanium standard) Cooling: Redundant hot-swap fans Reliability: Hot-swap components, tool-less design
Operating System Support	Microsoft Windows Server with Hyper-V Red Hat Enterprise Linux (RHEL) Canonical Ubuntu Server LTS VMware ESXi SUSE Linux Enterprise Server (SLES)	Microsoft Windows Server Red Hat Enterprise Linux (RHEL) VMware ESXi SUSE Linux Enterprise Server (SLES) Ubuntu Server
Security Features	Dell SafeBIOS Secure Core System Lockdown and Cryptographic Erase Firmware Update Verification and TPM 2.0 Secure Boot and Multi-Factor Authentication	Lenovo ThinkShield security suite Silicon Root of Trust Secure Boot and fTPM 2.0 Runtime Firmware Resilience
Management & Monitoring	iDRAC9 Enterprise: Embedded remote management Dell OpenManage Enterprise: Centralized management APIs: Redfish APIs for automation and orchestration	Lenovo XClarity Controller: Embedded management Lenovo XClarity Enterprise: Centralized infrastructure management APIs: Redfish APIs for automation
Warranty & Support	Standard Warranty: 3 Years ProSupport (parts, labor, onsite) Optional Support: ProSupport Plus, ProSupport Enterprise, extended terms	Standard Warranty: 3 Years Premier Support (parts, labor, onsite) Optional Support: Extended terms, TruScale Infrastructure Services

Key Features Comparison

High-Performance Single-Socket AMD Compute

The Dell PowerEdge R7615 is a 2U rack server powered by 4th Generation AMD EPYC 9004 Series processors with up to 128 cores per processor, delivering exceptional performance for virtualization, SDS, databases, and AI/ML workloads.

High-Density DDR5 Memory Capacity

Supports up to 3 TB of DDR5 RDIMM memory across 12 DIMM slots with speeds up to 4800 MT/s, providing substantial headroom for memory-intensive applications in a single-socket design.

Flexible High-Capacity Storage Options

Offers multiple front drive bay configurations including up to 24 x 2.5-inch SAS/SATA/NVMe (max 368.64 TB), 16 x 2.5-inch, 12 x 3.5-inch (max 240 TB), or 8 x 3.5-inch, plus optional rear drive bays for hybrid storage flexibility.

GPU-Optimized & PCIe Gen5 Expansion

Built on PCIe Gen5, it provides multiple PCIe slots plus LOM/OCP networking options, supporting up to 3 x 300W double-wide GPUs or 6 x 75W single-width GPUs, making it ideal for AI training, inference, and graphics workloads.

Enterprise Security & iDRAC9 Management

Features Dell SafeBIOS Secure Core with system lockdown, cryptographic erase, and firmware verification, paired with iDRAC9 Enterprise for remote management, OpenManage Enterprise, and Redfish APIs for automation.

Power-Efficient 2U Density

With redundant hot-swap PSUs (800W Platinum up to 2400W Platinum) and high-performance redundant fans, the R7615 optimizes power usage while delivering dense compute and storage in standard 2U rack space.

High-Performance Dual-Socket AMD Compute

The Lenovo ThinkSystem SR665 V3 is a 2U rack server powered by dual 5th Gen AMD EPYC 9005 "Turin" processors with up to 160 cores per processor (320 cores total), delivering breakthrough performance for AI, virtualization, databases, and I/O-intensive workloads.

Ultra-High TruDDR5 Memory Capacity

Supports up to 6 TB of TruDDR5 memory across 24 DIMM slots using 3DS RDIMMs with speeds up to 6400 MHz at 1DPC, providing massive headroom for memory-intensive applications like HPC and analytics.

Flexible High-Density Storage

Offers multiple drive configurations including up to 40 x SFF hybrid bays or 24 x LFF bays, supporting SAS/SATA/NVMe drives for scalable storage in virtualization, SDS, and data analytics environments.

GPU-Optimized & PCIe 5.0 Expansion

Built with PCIe 5.0 and 4.0 slots, it supports up to 8x GPUs (including NVIDIA A100/H100 options) plus high-speed OCP 3.0/4.0 networking (100/200 GbE), ideal for AI training, inference, and graphics workloads.

Advanced Security & XClarity Management

Features Lenovo ThinkShield security with silicon root of trust, secure boot, fTPM 2.0, and runtime firmware resilience, paired with Lenovo XClarity Controller for remote management and XClarity Enterprise for automation.

Versatile I/O & Scalability

Designed for graphics, speed, and budget flexibility with multiple PCIe expansion options, redundant power supplies (1100W Titanium), and tool-less serviceability for enterprise efficiency in demanding data centers.

PowerEdge R7615 Rack Server vs ThinkSystem SR665 V3 Rack Server : Which should I choose?

Choosing the right server is a critical decision for any business, and comparing PowerEdge R7615 Rack Server and ThinkSystem SR665 V3 Rack Server gives you clear insights into which solution aligns best with your IT requirements. These servers are built for high performance, but they may differ in areas such as processor capacity, memory, storage, and scalability, making a side-by-side comparison easy.

This direct comparison helps you quickly identify the strengths and limitations of each server, which helps you determine which model best supports your workloads, applications, and long-term IT goals. By evaluating them together, you can make a smarter investment that ensures reliability and efficiency for your business.

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