- CTO base part number
- 7D7BCTO1WW
- Ordering-code scope
- Machine Type/Model
- Documented ordering description
- ThinkSystem ST650 V3 1yr Warranty
- Platform in this guide
- ThinkSystem ST650 V3
- Form factor
- Tower or 4U Rack
- Processor
- One or two 5th Gen or 4th Gen Intel Xeon Scalable processors (formerly codenamed "Emerald Rapids" and "Sapphire Rapids" respectively). Supports processors up to 32 cores, core speeds of up to 3.9 GHz, and TDP ratings of up to 250 W.
- 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 TruDDR5 RDIMMs, 9x4 RDIMMs, and 3DS RDIMMs are supported. DIMMs operate at up to 4800 MHz at 1 DPC and up to 4400 MHz at 2 DPC.
- Memory maximum
- Up to 4TB by using 32x 128GB 3DS RDIMMs
- Memory protection
- ECC, SDDC (for x4-based memory DIMMs), ADDDC (for x4-based memory DIMMs excluding 9x4 RDIMMs, requires Platinum or Gold processors), and memory mirroring.
- Disk drive bays
- 2.5-inch drive bays: Up to 32x 2.5-inch hot-swap bays (24x NVMe) plus 2x 5.25-inch media bays 3.5-inch drive bays: Up to 16x 3.5-inch hot-swap bays (16x NVMe) (no media bays) Up to 12x 3.5-inch hot-swap bays (12x NVMe) plus 2x 5.25-inch media bays Internal drives for OS boot or drive storage: Internal M.2 module supporting up to two M.2 drives
- Network interfaces
- Two onboard 10GBASE-T Ethernet RJ45 ports based on a Broadcom BCM57416 controller. Additional dedicated Gigabit port for remote management via the XClarity Controller (XCC) management processor.
- PCI Expansion slots
- 9x PCIe slots: 5x PCIe 5.0 and 4x PCIe 4.0 slots. All nine slots are mounted on the system board. Slots 1-8 are full height, full length (FHFL); slot 9 is full height, half length (FHHL). Slots 4-8 require CPU 2 installed. Slot 1: PCIe 5.0 x16 (CPU 1) Slot 2: PCIe 5.0 x8 (x8 physical slot) (CPU 1) Slot 3: PCIe 5.0 x16 (CPU 1) Slot 4: PCIe 5.0 x8 (x8 physical slot) (CPU 1) Slot 5: PCIe 5.0 x16 (CPU 2) Slot 6: PCIe 4.0 x8 (x8 physical slot) (CPU 2) Slot 7: PCIe 4.0 x16 (CPU 2) Slot 8: PCIe 4.0 x8 (x8 physical slot) (CPU 2) Slot 9: PCIe 4.0 x8 (x8 physical slot) (CPU 1) The server also supports the installation of a RAID adapter or HBA in a dedicated area that does not consume any of the PCIe slots. See the location of the Internal RAID adapter (cabled) in the Internal view of the server.
- GPU support
- Supports up to 8x single-wide GPUs or up to 4x double-wide GPUs
- Cooling
- Up to 4x single-rotor or dual-rotor hot swap 92 mm fans, configuration dependent. Fans are N+1 redundant. One additional 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. 750 W, 1100 W, 1800 W and 2600 W AC options, supporting 220 V AC. 750 W and 1100 W options also support 110V input supply. In China only, all power supply options support 240 V DC.
- Systems management
- Operator panel with status LEDs. Optional External Diagnostics Handset with LCD display. XClarity Controller 2 (XCC2) embedded management controller , XClarity One centralized infrastructure delivery, XClarity Integrator plugins, and XClarity Energy Manager centralized server power management. Optional XClarity Controller Platinum to enable remote control and other functions.
- Dimensions
- Width: 175 mm (6.9 in.), height: 462 mm (18.2 in.), depth: 734 mm (28.9 in.). See Physical and electrical specifications for details.
- Weight
- 39.1 kg (86.2 lb) maximum
- Selection qualification
- CTO is a configuration base code, not a fixed installed BOM. Platform limits do not mean simultaneously installed CPU, RAM, drives or GPUs. Verify machine type, CPU count, memory, backplane, cooling and power. AI/HPC denotes an ordering scope, not included accelerators. Confirm local warranty and supply separately.
Specification schematic, not a product photograph or installation drawing.
Specification schematic, not a product photograph or installation drawing.