| Product SKU | SR645 V3 |
|---|---|
| Form Factor | 1U rack. |
| Processor | One or two AMD EPYC processors, either 5th Gen 9005 ("Turin") or 4th Gen 9004 ("Genoa"). Supports processors up to 160 cores, core speeds of up to 4.1 GHz, and TDP ratings of up to 400W. Supports PCIe 5.0 for high performance I/O. |
| GPU Support | Supports up to 5x single-wide 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, 3DS RDIMMs, and 9×4 RDIMMs are supported. Memory speeds up to 6400 MHz with 5th Gen AMD EPYC processors. |
| Drive Bays | Up to 4x 3.5-inch or 12x 2.5-inch hot-swap drive bays: |
| Expansion Slots | Up to 5x slots, 3x at the rear and 2x at the front, plus 1 OCP 3.0 slot. |
| Chipset | Not applicable (platform controller hub functions are integrated into the processor) |
| Maximum Memory | Up to 6TB with 24x 256GB 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 |
| Maximum Internal Storage | • 2.5-inch drives: |
| Storage Controller | • Onboard NVMe (no RAID) – 12 drives, each x4 |
| Network | Dedicated OCP 3.0 SFF slot with PCIe 5.0 x16 host interface, either at the rear of the server (rear-accessible) or the front of the server (front-accessible, PCIe 4.0). Supports a variety of 2-port and 4-port adapters with 1GbE, 10GbE and 25GbE network connectivity. One port can optionally be shared with the XClarity Controller 2 (XCC2) management processor for Wake-on-LAN and NC-SI support. Additional PCIe network adapters supported in PCIe slots. |
| Ports | Front: 1x USB 3.2 G1 (5 Gb/s) port, 1x USB 2.0 port (also for XCC local management), External diagnostics port, optional VGA port. |
| Cooling | Up to 8x N+1 redundant hot swap 40 mm fans, configuration dependent. One fan integrated in each power supply. For high-performance CPUs, the SR645 V3 also offers a closed-loop liquid-cooled heatsink design to more effectively remove heat from the processors. For customers with water infrastructure in their data center, the SR645 V3 also offers Lenovo Neptune Core open-loop water cooling for efficient heat removal. |
| Power Supply | Up to two hot-swap redundant AC power supplies, 80 PLUS Platinum or 80 PLUS Titanium certification. 500 W, 750 W, 1100 W and 1800 W AC options, supporting 220 V AC. 500 W, 750 W and 1100 W options also support 110V input supply. In China only, all power supply options support 240 V DC. Also available is a 1100W power supply with a -48V DC input. |
| System Management | Operator panel with status LEDs. Optional External Diagnostics Handset with LCD display. Models with 8x 2.5-inch front drive bays can optionally support an Integrated Diagnostics Panel. 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. Optional 2nd redundant XCC2 remote port supported, installs in the OCP slot. 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 | Chassis intrusion switch, Power-on password, administrator's password, Root of Trust module supporting TPM 2.0 and Platform Firmware Resiliency (PFR). In China only, optional Nationz TPM 2.0. Optional lockable front security bezel. |
| Operating System | Microsoft Windows Server, Microsoft Windows 10 & 11, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware ESXi, 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: 440 mm (17.3 in.), height: 43 mm (1.7 in.), depth: 773 mm (30.4 in.). See Physical and electrical specifications for details. |
| Weight | Maximum: 20.2 kg (44.6 lb) |
Servers
Lenovo ThinkSystem SR645 V3
The Lenovo ThinkSystem SR645 V3 is a 1U rack server from Lenovo, powered by AMD EPYC processors, either 5th Gen 9005, with up to 4x 3.5-inch or 12x 2.5-inch hot-swap drive bays.
Overview
The Lenovo ThinkSystem SR645 V3 is a 1U rack server from Lenovo, powered by AMD EPYC processors, either 5th Gen 9005.
It supports 24 DIMM slots with two processors. Maximum memory reaches up to 6TB with 24x 256GB 3DS RDIMMs. Storage is provided by up to 4x 3.5-inch or 12x 2.5-inch hot-swap drive bays. Expansion is provided by up to 5x slots, 3x at the rear and 2x at the front, plus 1 OCP 3.0 slot. Networking is provided by Dedicated OCP 3.0 SFF slot with PCIe 5.0 x16 host interface, either at the rear of the server.
Key Features
- Processor: One or two AMD EPYC processors, either 5th Gen 9005 (“Turin”) or 4th Gen 9004 (“Genoa”). Supports processors up to 160 cores, core speeds of up to 4.1 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, 3DS RDIMMs, and 9×4 RDIMMs are supported. Memory speeds up to 6400 MHz with 5th Gen AMD EPYC processors.
- Maximum memory: Up to 6TB with 24x 256GB 3DS RDIMMs
- Storage: Up to 4x 3.5-inch or 12x 2.5-inch hot-swap drive bays: / Front bays can be one of the following: / 4x 3.5-inch hot-swap SAS/SATA, AnyBay, or 2x SAS/SATA + 2x NVMe …
- Maximum internal storage: 2.5-inch drives: / 368.64TB using 12x 30.72TB 2.5-inch SAS SSDs / 92.16TB using 12x 7.68TB 2.5-inch SATA SSDs …
- Expansion: Up to 5x slots, 3x at the rear and 2x at the front, plus 1 OCP 3.0 slot. / Rear: Up to 3x PCIe slots (2x PCIe 5.0, 1x PCIe 4.0), all with rear access, plus a slot dedicated to the OCP adapter. Slot availability is based on riser selection and rear drive bay selection. Slot 3 requires two processors. …
- GPU support: Supports up to 5x single-wide GPUs
- Networking: Dedicated OCP 3.0 SFF slot with PCIe 5.0 x16 host interface, either at the rear of the server (rear-accessible) or the front of the server (front-accessible, PCIe 4.0). Supports a variety of 2-port and 4-port adapters with 1GbE, 10GbE and 25GbE network connectivity. One port can optionally be …
- Cooling and power: Up to 8x N+1 redundant hot swap 40 mm fans, configuration dependent. One fan integrated in each power supply. For high-performance CPUs, the SR645 V3 also offers a closed-loop liquid-cooled heatsink design to more effectively remove heat from the processors. For customers with water infrastructure …
- Management and security: Operator panel with status LEDs. Optional External Diagnostics Handset with LCD display. Models with 8x 2.5-inch front drive bays can optionally support an Integrated Diagnostics Panel. XClarity Controller 2 (XCC2) embedded management based on the ASPEED AST2600 baseboard management controller …
- Physical: Width: 440 mm (17.3 in.), height: 43 mm (1.7 in.), depth: 773 mm (30.4 in.). See Physical and electrical specifications for details. Maximum: 20.2 kg (44.6 lb)
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.
