The Lenovo ThinkSystem SR665 Rack Server is a high-performance 2U, two-processor server designed to handle demanding enterprise data center workloads. Powered by AMD EPYC™ 7003 Series processors, it combines high compute performance with flexible memory, storage, GPU, networking, and expansion capabilities.

The ThinkSystem SR665 is designed to support a wide range of enterprise applications, including databases, big data and analytics, virtualization, Virtual Desktop Infrastructure (VDI), and HPC/AI solutions.

Exceptional Performance in 2U

The Lenovo ThinkSystem SR665 combines dual-socket processing capabilities with a compact 2U rack design.

Its AMD EPYC processor architecture provides high core density and extensive PCIe bandwidth, allowing organizations to run demanding workloads while making efficient use of available rack space.

The server also provides flexible configuration options that allow businesses to adapt the platform according to their computing, storage, networking, and acceleration requirements.

Processor

The Lenovo ThinkSystem SR665 supports:

• Up to 2 AMD EPYC™ 7002 or 7003 Series processors.
• Up to 64 cores per processor.
• Processor speeds of up to 4.1 GHz, depending on the selected processor.
• Processor TDP of up to 280 W.

The dual-processor configuration provides substantial computing capacity for demanding enterprise workloads.

Memory

The ThinkSystem SR665 provides scalable DDR4 memory capabilities.

Memory Slots

• Up to 32 DDR4 DIMM slots.
• 16 DIMM slots per processor.
• 8 memory channels per processor.
• Up to 2 DIMMs per channel.

Memory Speed

The server supports memory speeds of:

• Up to 3200 MHz.

Memory Capacity

The ThinkSystem SR665 supports high-capacity Lenovo TruDDR4 memory configurations to meet the requirements of memory-intensive enterprise applications.

Storage

The Lenovo ThinkSystem SR665 provides extensive storage flexibility for both performance- and capacity-focused workloads.

The server supports:

• Up to 20 x 3.5-inch drives.
• Up to 40 x 2.5-inch drives.
• Up to 32 NVMe drives.

Supported drive technologies include:

• SAS
• SATA
• NVMe

Different combinations of front, mid-chassis, and rear storage bays can be configured depending on the selected server configuration.

Flexible Storage Configurations

The ThinkSystem SR665 allows organizations to configure the server according to their storage requirements.

Storage options range from high-capacity HDD configurations to high-performance NVMe SSD configurations, allowing the server to support workloads that prioritize either storage capacity, data throughput, or a combination of both.

PCIe Expansion

The Lenovo ThinkSystem SR665 provides extensive PCIe Gen4 expansion capabilities.

The server supports:

• Up to 8 PCIe 4.0 expansion slots.
• 1 x OCP 3.0 adapter slot.

PCIe Gen4 connectivity provides additional bandwidth for network adapters, storage controllers, GPUs, and other expansion devices.

GPU Support

The ThinkSystem SR665 provides flexible GPU configurations for workloads that require additional acceleration.

The server supports:

• Up to 8 single-width GPUs.
• Up to 3 double-width GPUs.

This accelerator capacity allows the platform to support demanding environments such as:

• Artificial Intelligence
• High-Performance Computing
• Virtual Desktop Infrastructure
• Data analytics
• GPU-accelerated applications

Network Connectivity

The Lenovo ThinkSystem SR665 provides flexible networking through:

• OCP 3.0 mezzanine adapters.
• PCIe network adapters.

This allows the network configuration to be selected according to the connectivity and bandwidth requirements of the server environment.

Power Supplies

The ThinkSystem SR665 supports:

• Dual redundant power supplies.
• Power supply configurations of up to 1800 W Platinum.

Redundant power supplies help maintain system availability if one power supply experiences a failure.

Ports

Front Ports

The front panel includes:

• 1 x USB 3.1 Gen1 port.
• 1 x USB 2.0 port.
• 1 x optional VGA port.

Rear Ports

The rear panel includes:

• 3 x USB 3.1 Gen1 ports.
• 1 x optional Serial port.
• 1 x RJ-45 management port.

System Management

The Lenovo ThinkSystem SR665 includes:

• Lenovo XClarity Controller.

Lenovo XClarity provides centralized management capabilities that help simplify server deployment, monitoring, configuration, and maintenance.

The platform also supports Redfish-compliant REST APIs for streamlined hardware provisioning and management.

Security

The ThinkSystem SR665 incorporates Lenovo ThinkShield security technologies designed to protect the server throughout its lifecycle.

AMD EPYC processors also provide integrated security capabilities, including:

• Secure Boot.
• Memory encryption capabilities.

These technologies help provide additional protection for server infrastructure, system data, and enterprise workloads.

Workload Support

The Lenovo ThinkSystem SR665 is designed to support a broad range of enterprise workloads.

Typical workload environments include:

• Databases
• Big Data and Analytics
• Virtualization
• Virtual Desktop Infrastructure
• High-Performance Computing
• Artificial Intelligence

Its combination of dual AMD EPYC processors, extensive storage, GPU support, and PCIe Gen4 connectivity allows the server to adapt to different data center requirements.

Form Factor

The Lenovo ThinkSystem SR665 is designed as a:

• 2U Rack Server
• Dual-Processor Platform

Its 2U architecture provides extensive compute, storage, GPU, networking, and expansion capabilities while maintaining an efficient rack footprint.

Operating Systems

The Lenovo ThinkSystem SR665 supports several enterprise operating systems and virtualization platforms, including:

• Microsoft Windows Server
• SUSE Linux Enterprise Server
• Red Hat Enterprise Linux
• VMware ESXi

Warranty

The Lenovo ThinkSystem SR665 is available with:

• 1-year or 3-year limited warranty options.
• Customer Replaceable Unit service.
• On-site service.
• Next-business-day 9 x 5 support.

Optional service and warranty upgrades are also available.