| 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) |
Server
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 Lenovo server platform in a 1U rack., with One or two AMD EPYC processors, either 5th Gen 9005 (“Turin”) or 4th Gen 9004 (“Genoa”). Supports processors up to 160… and 24 DIMM slots with two processors (12 DIMM slots per processor). Each processor has 12…, aimed at server platform workloads. Its full parameter set is listed below.
At a glance
- 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: ; Front bays can be one of the following: – 4x 3.5-inch hot-swap SAS/SATA, AnyBay, or 2x SAS/SATA + 2x NVMe – 2x 2.5-inch hot-swap NVMe – 4x 2.5-inch hot-swap SAS/SATA, AnyBay or NVMe – 8x 2.5-inch hot-swap SAS/SATA – 10x 2.5-inch hot-swap SAS/SATA, AnyBay or NVMe, or combinations – 16x E1.S hot-swap EDSFF NVMe ; Rear can be one of the following: – 2x 2.5-inch hot-swap SAS/SATA bays – 2x 2.5-inch hot-swap NVMe bays – 2x 7mm 2.5-inch hot-swap SATA bays – 2x 7mm 2.5-inch hot-swap NVMe bays ; Internal M.2 module supporting up to two M.2…
- Expansion Slots: 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. Four choices for rear-access slots: ; 3x PCIe x16 low-profile slots ; 1x PCIe x16 full-height half-length slot + 1x PCIe x16 low-profile slot ; 1x PCIe x16 low-profile slot (also supports 2x rear 2.5-inch drive bays) ; 2x PCIe x16 low-profile slot (also supports 2x rear 7mm 2.5-inch drive bays) For…
- 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: – 368.64TB using 12x 30.72TB 2.5-inch SAS SSDs – 92.16TB using 12x 7.68TB 2.5-inch SATA SSDs – 1474.56TB using 12x 122.88TB 2.5-inch NVMe SSDs – 28.8TB using 12x 2.4TB 2.5-inch SAS HDDs ; EDSFF drives – 122.88TB using 16x 7.68TB E1.S EDSFF NVMe SSDs ; 3.5-inch drives: – 96TB using 4x 24TB 3.5-inch SAS HDDs – 96TB using 4x 24TB 3.5-inch SATA HDDs – 61.44TB using 4x 15.36TB 3.5-inch SAS SSDs – 30.72TB using 4x 7.68TB 3.5-inch SATA SSDs – 51.2TB using 4x 12.8TB 3.5-inch NVMe SSDs
- Storage Controller: Onboard NVMe (no RAID) – 12 drives, each x4 ; Onboard SATA (no RAID) – 12 drives ; NVMe Retimer Adapter ; 12 Gb SAS/SATA RAID adapters – 8, 16 or 32 ports – Up to 8GB flash-backed cache – PCIe 4.0 or PCIe 3.0 host interface ; 12 Gb SAS/SATA HBA (non-RAID) – 8-port and 16-port – PCIe 4.0 or PCIe 3.0 host interface
- 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. Rear: 3x USB 3.2 G1 (5 Gb/s) ports, 1x VGA video port, 1x RJ-45 1GbE systems management port for XCC remote management. Optional 2nd XCC remote management port (installs in OCP slot). Optional DB-9 COM serial port (installs in slot 3). Internal: 1x USB 3.2 G1 (5 Gb/s) connector for operating system or license key purposes.
- 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.…
- 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)
When to choose this server platform
Choose it for server platform workloads. A 1U rack. footprint with Up to two hot-swap redundant AC power supplies, 80 PLUS Platinum or… and Up to 4x 3.5-inch or 12x 2.5-inch hot-swap drive bays: ; Front bays can be one of the….
Reading the specifications
See the grouped parameters above for capacity, connectivity, power and physical data; confirm the specific configuration against your workload before ordering.
Platform & compatibility
Supports processor One or two AMD EPYC processors, either 5th Gen 9005 (“Turin”) or 4th Gen 9004 (“Genoa”). Supports processors up to 160…, memory 24 DIMM slots with two processors (12 DIMM slots per processor). Each processor has 12 memory channels, with…, 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…, network Dedicated OCP 3.0 SFF slot with PCIe 5.0 x16 host interface, either at the rear of the server…. Confirm CPU/controller, memory, drives and power against your environment before ordering.
Deployment notes
The Lenovo ThinkSystem SR645 V3 is supplied as a configured platform. OS support: Microsoft Windows Server, Microsoft Windows 10 & 11, Red Hat Enterprise Linux, SUSE Linux…. Send the required configuration for a firm quote.
FAQ
What processors/controllers does it use? 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….
Memory/cache? 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….
Storage options? 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 – 2x 2.5-inch….
How do I get pricing? Send the required configuration; quotes depend on quantity, options and destination.
Related
Configuration, availability and lead time depend on the required quantity, configuration and delivery destination. Send your requirement to receive a quotation.
