| Product SKU | SR685a V3 |
|---|---|
| Form Factor | 8U rack. |
| Processor | Two AMD EPYC processors, either 5th Gen 9005 ("Turin") or 4th Gen 9004 ("Genoa"). Supports processors up to 128 cores, core speeds of up to 3.65 GHz, and TDP ratings of up to 400W. Supports PCIe 5.0 for high performance I/O. |
| GPU Support | 8x AMD Instinct MI300x or NVIDIA H100/H200 GPUs |
| Memory | 24 DIMM slots with two processors (12 DIMM slots per processor). Each processor has 12 memory channels, with 1 DIMM per channel (DPC). Lenovo TruDDR5 RDIMMs and 3DS RDIMMs are supported. Memory speeds up to 6400 MHz with 5th Gen AMD EPYC processors. |
| Drive Bays | Up to 16x 2.5-inch hot-swap drive bays, supporting PCIe 5.0 NVMe drives. |
| Expansion Slots | 10x PCIe 5.0 x16 slots: |
| GPUs | Choice of: |
| Maximum Memory | Up to 3TB with 24x 128GB RDIMMs or 3DS RDIMMs |
| Persistent Memory | Not supported. |
| Memory Protection | ECC, SDDC, Patrol/Demand Scrubbing, Bounded Fault, DRAM Address Command Parity with Replay, DRAM Uncorrected ECC Error Retry, On-die ECC, ECC Error Check and Scrub (ECS), Post Package Repair |
| OS Boot Drives | Support for an M.2 adapter with integrated RAID-1; support for 2x NVMe M.2 drives for OS boot and data storage functions |
| Maximum Internal Storage | 245.76TB using 16x 15.36TB 2.5-inch NVMe SSDs |
| Storage Controller | Onboard NVMe (non-RAID) |
| Network | Supports 8x high-performance network adapters up to 400 Gb/s connectivity with GPU Direct support. Supports a NVIDIA BlueField-3 2-port 200Gb adapter for the User/Control Plane and a choice of OCP network adapter for Management. OCP 3.0 slot has a PCIe 5.0 x16 host interface with one port optionally be shared with the XClarity Controller 2 (XCC2) management processor for Wake-on-LAN and NC-SI support. |
| Ports | Front: 1x USB 3.2 G1 (5 Gb/s) port, 1x USB 2.0 port (also for XCC local management), 1x VGA video port. |
| Cooling | 5x front-mounted dual-rotor fans for the CPU and storage subsystem, N+1 redundant. 10x rear-mounted dual-rotor fans for the GPU subsystem, N+1 redundant. One fan integrated in each power supply. Front-to-rear airflow. |
| Power Supply | Up to eight hot-swap redundant AC power supplies with up to N+N redundancy. 80 PLUS Titanium certification. 2600 W AC power supplies requiring 220 V AC supply. |
| System Management | Integrated Diagnostics Panel with status LEDs and pull-out LCD display. XClarity Controller 2 (XCC2) embedded management based on the ASPEED AST2600 baseboard management controller (BMC). Dedicated rear Ethernet port for XCC2 remote access for management. XClarity One for centralized infrastructure management, XClarity Integrator plugins, and XClarity Energy Manager centralized server power management. Optional XCC Platinum to enable remote control functions and other features. |
| Security | Power-on password, administrator's password, Root of Trust module supporting TPM 2.0 and Platform Firmware Resiliency (PFR). |
| Operating System | Ubuntu Server. |
| Warranty | Three-year or one-year (model dependent) customer-replaceable unit and onsite limited warranty with 9×5 next business day (NBD). |
| Dimensions (H x W x D) | Width: 447 mm (17.6 in.), height: 351 mm (13.8 in.), depth: 924 mm (36.3 in.). See Physical and electrical specifications for details. |
| Weight | Maximum: 109.4 kg (241 lbs) |
Lenovo ThinkSystem SR685a V3
The Lenovo ThinkSystem SR685a V3 is a 8U rack server from Lenovo, powered by Two AMD EPYC processors, either 5th Gen 9005, with up to 16x 2.5-inch hot-swap drive bays, supporting PCIe 5.0 NVMe drives.
Overview
The Lenovo ThinkSystem SR685a V3 is a 8U rack server from Lenovo, powered by Two AMD EPYC processors, either 5th Gen 9005.
It supports 24 DIMM slots with two processors. Maximum memory reaches up to 3TB with 24x 128GB RDIMMs or 3DS RDIMMs. Storage is provided by up to 16x 2.5-inch hot-swap drive bays, supporting PCIe 5.0 NVMe drives. Expansion is provided by 10x PCIe 5.0 x16 slots. Networking is provided by 8x high-performance network adapters up to 400 Gb/s connectivity with GPU Direct support. Supports a NVIDIA BlueField-3 2-port.
Key Features
- Processor: Two AMD EPYC processors, either 5th Gen 9005 (“Turin”) or 4th Gen 9004 (“Genoa”). Supports processors up to 128 cores, core speeds of up to 3.65 GHz, and TDP ratings of up to 400W. Supports PCIe 5.0 for high performance I/O.
- Memory: 24 DIMM slots with two processors (12 DIMM slots per processor). Each processor has 12 memory channels, with 1 DIMM per channel (DPC). Lenovo TruDDR5 RDIMMs and 3DS RDIMMs are supported. Memory speeds up to 6400 MHz with 5th Gen AMD EPYC processors.
- Maximum memory: Up to 3TB with 24x 128GB RDIMMs or 3DS RDIMMs
- Storage: Up to 16x 2.5-inch hot-swap drive bays, supporting PCIe 5.0 NVMe drives.
- Maximum internal storage: 245.76TB using 16x 15.36TB 2.5-inch NVMe SSDs
- Expansion: 10x PCIe 5.0 x16 slots: / Front: 8x PCIe 5.0 x16 FHHL slots with GPU Direct support / Rear, choice of: …
- Networking: Supports 8x high-performance network adapters up to 400 Gb/s connectivity with GPU Direct support. Supports a NVIDIA BlueField-3 2-port 200Gb adapter for the User/Control Plane and a choice of OCP network adapter for Management. OCP 3.0 slot has a PCIe 5.0 x16 host interface with one port …
- Cooling and power: 5x front-mounted dual-rotor fans for the CPU and storage subsystem, N+1 redundant. 10x rear-mounted dual-rotor fans for the GPU subsystem, N+1 redundant. One fan integrated in each power supply. Front-to-rear airflow. Up to eight hot-swap redundant AC power supplies with up to N+N redundancy. 80 …
- Management and security: Integrated Diagnostics Panel with status LEDs and pull-out LCD display. XClarity Controller 2 (XCC2) embedded management based on the ASPEED AST2600 baseboard management controller (BMC). Dedicated rear Ethernet port for XCC2 remote access for management. XClarity One for centralized infrastructure …
- Physical: Width: 447 mm (17.6 in.), height: 351 mm (13.8 in.), depth: 924 mm (36.3 in.). See Physical and electrical specifications for details. Maximum: 109.4 kg (241 lbs)
Applications
- Enterprise virtualization and private cloud
- Databases and business-critical applications
- AI inference and high-performance computing
- Software-defined storage and data analytics
Configuration, availability and lead time depend on the required quantity, chassis and CPU platform, and delivery destination. Send your requirement to receive a quotation.









