Vertex AI Server
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| Model | ThinkSystem SR645 |
| Customization Intention | Customers Can Freely Choose Specific Configurations |
| Form Factor | 1U rack server |
| Processor | One or two AMD EPYC 7002 Series processors (formerly codenamed "Rome") or AMD EPYC 7003 Series processors (formerly codenamed "Milan"). Supports processors up to 64 cores, core speeds of up to 4.1 GHz, and TDP ratings of up to 280W. |
| Chipset | Not applicable (platform controller hub functions are integrated into the processor) |
| Memory | 32 DIMM slots with two processors (16 DIMM slots per processor). Each processor has 8 memory channels, with 2 DIMMs per channel (DPC). Lenovo TruDDR4 RDIMMs and 3DS RDIMMs are supported: * Performance+ RDIMMs: 1 DPC at 3200 MHz, 2 DPC at 3200 MHz * RDIMMs: 1 DPC at 3200 MHz, 2 DPC at 2933 MHz * 3DS RDIMMs: 1 DPC at 2933 MHz, 2 DPC at 2666 MHz |
| Memory maximum | Up to 8TB with 32x 256GB 3DS RDIMMs |
| Persistent memory | Not supported. |
| Memory protection | ECC, SDDC, Patrol/Demand Scrubbing, DRAM Address Command Parity with Replay, DRAM Uncorrected ECC Error Retry, Post Package Repair |
| Disk 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 * 4x 3.5-inch hot-swap AnyBay * 8x 2.5-inch hot-swap SAS/SATA * 6x 2.5-inch hot-swap SAS/SATA + 4x 2.5-inch hot-swap AnyBay * 10x 2.5-inch hot-swap AnyBay * 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 drives, for OS boot and drive storage support See Supported drive bay combinations for details. AnyBay bays support SAS, SATA or NVMe drives. NVMe bays only support NVMe drives. Rear drive bays can be used in conjunction with 2.5-inch front drive bays. The server supports up to 10x NVMe drives all with direct connections (no oversubscription). |
| Maximum internal storage | * 2.5-inch drives: * 368.64TB using 12x 30.72TB 2.5-inch SAS/SATA SSDs * 737.28TB using 12x 61.44TB 2.5-inch NVMe SSDs * 28.8TB using 12x 2.4TB 2.5-inch HDDs * 3.5-inch drives: * 88TB using 4x 22TB 3.5-inch HDDs * 61.44TB using 4x 15.36TB 3.5-inch SAS/SATA SSDs * 51.2TB using 4x 12.8TB 3.5-inch NVMe SSDs |
| Storage controller | * Onboard NVMe (no RAID) * Onboard SATA (no RAID) * 12 Gb SAS/SATA RAID adapters: * RAID 530i-8i (cacheless) supports RAID 0, 1, 10, 5, 50 * RAID 530i-16i (cacheless) supports RAID 0, 1, 10 * RAID 930-8i with 2GB flash-backed cache supports RAID 0, 1, 10, 5, 50, 6, 60 * RAID 930-16i with 4GB flash-backed cache supports RAID 0, 1, 10, 5, 50, 6, 60 * RAID 940-8i with 4GB or 8GB flash-backed cache supports RAID 0, 1, 10, 5, 50, 6, 60 * RAID 940-16i with 4GB or 8GB flash-backed cache supports RAID 0, 1, 10, 5, 50, 6, 60 * 12 Gb SAS/SATA non-RAID: * 430-8i or 440-8i HBAs * 430-16i or 440-16i HBAs |
| Optical drive bays | No internal optical drive |
| Tape drive bays | No internal backup drive |
| Network interfaces | Dedicated OCP 3.0 SFF slot with PCIe 4.0 x16 host interface. 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 (XCC) management processor for Wake-on-LAN and NC-SI support. |
| PCIe Expansion slots | Up to 3x PCIe 4.0 slots, 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 4.0 x16 low-profile slots * 1x PCIe 4.0 x16 full-height half-length slot + 1x PCIe 4.0 x16 low-profile slot * 1x PCIe 4.0 x16 low-profile slot (also supports 2x rear 2.5-inch drive bays) * 2x PCIe 4.0 x16 low-profile slot (also supports 2x rear 7mm 2.5-inch drive bays) For 2.5-inch front drive configurations, the server supports the installation of a RAID adapter or HBA in a dedicated area that does not consume any of the PCIe slots. Note: Not all slots are available in a 1-processor configuration. See the I/O expansion for details. |
| 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 DB-9 COM serial port (installs in slot 3). Internal: 1x USB 3.2 G1 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. |
| 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. |
| Video | G200 graphics with 16 MB memory with 2D hardware accelerator, integrated into the XClarity Controller. Maximum resolution is 1920x1200 32bpp at 60Hz. |
| Hot-swap parts | Drives, power supplies, and fans. |
| Systems 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 (XCC) embedded management, XClarity Administrator centralized infrastructure delivery, XClarity Integrator plugins, and XClarity Energy Manager centralized server power management. Optional XClarity Controller Advanced and Enterprise to enable remote control functions. |
| Security features | Chassis intrusion switch, Power-on password, administrator's password, Trusted Platform Module (TPM), supporting TPM 2.0. Servers with EPYC 7002 processors also support TPM 1.2. In China only, optional Nationz TPM 2.0. Optional lockable front security bezel. |
| Operating systems supported | Microsoft Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware ESXi. See the Operating system support section for specifics. |
| Limited warranty | Three-year or one-year (model dependent) customer-replaceable unit and onsite limited warranty with 9x5 next business day (NBD). |
| Service and support | Optional service upgrades are available through Lenovo Services: 4-hour or 2-hour response time, 6-hour fix time, 1-year or 2-year warranty extension, software support for Lenovo hardware and some third-party applications. |
| Weight | Maximum: 20.2 kg (44.6 lb) |
| Size | 43mm×440mm×773mm |
