Lenovo ThinkSystem ST45 V3
Lenovo's compact 1-socket AMD tower server (machine types 7DH4/7DH5) for one AMD EPYC 4004 or 4005 series processor, up to 16 cores, with up to 64 GB of TruDDR5 ECC UDIMM memory. A small, low-cost entry server for very small businesses, remote/branch offices and edge sites; rack-mountable with an optional kit, no XClarity Controller.
Memory
- Slots
- 2 DIMM (2 channels, 1 DIMM per channel)
- Types
- TruDDR5 ECC UDIMM: 16 GB (1Rx8, 5600 MHz), 32 GB (2Rx8, 5600 MHz, supported at 5200 MHz under EPYC 4004 CPUs only)
- Max
- 64 GB (2 x 32 GB UDIMM)
- Rules
- 1 or 2 DIMMs; both must be identical; no memory mirroring or rank sparing
Storage
- Bays
- Up to 4x non-hot-swap: 2 or 3x 3.5" (HDD/SSD) + 1x 2.5" (SSD); server ships with one populated 3.5" bay
- M.2
- 2x NVMe M.2 drives on the system board as boot drives
- Max capacity
- 24 TB (3 x 8 TB 3.5" 7.2K SATA HDD) or 3.84 TB (1 x 3.84 TB 2.5" SATA SSD)
- Storage controller
- AMD PRO 665 onboard SW RAID (AMD RAIDXpert2: RAID 0/1/5, JBOD) or ThinkSystem RAID 545-8i PCIe Gen4 12Gb Adapter (JBOD, RAID 0/1)
- Optical
- Optional slim SATA DVD-RW in a dedicated bay
Graphics
- Onboard
- 2x DisplayPort 1.4 and 1x HDMI 2.1, native 4K @ 60 Hz
Expansion
- Slot 1
- PCIe 3.0 x16, full-height half-length, 75 W
- Slot 3
- PCIe 3.0 x1, full-height half-length, 25 W
Networking
- Onboard
- 1x 1000BASE-T RJ-45 (Realtek RTL8111FP)
- Adapters
- ThinkSystem Broadcom 5719 1GbE RJ45 4-port (slot 1); Broadcom 57416 10GBASE-T 2-port (slot 1)
Power
- Power supply
- One fixed, non-hot-swap ATX supply: 300 W Gold or 500 W Platinum (Energy Star, ErP Lot 9 compliant)
- Input
- 115 Vac or 230 Vac
- Cooling
- 2 fixed system fans + CPU heatsink fan; ASHRAE A2
Ports
- Front
- 1x USB 3 (5 Gb/s) USB-C, 4x USB 3 (5 Gb/s) USB-A, microphone and headset jacks (Windows 11 only)
- Rear
- 4x USB 2.0, 2x DisplayPort 1.4, 1x HDMI 2.1, 1x RJ-45 GbE, 1x audio line-out (Windows 11 only)
Physical
- Form factor
- Tower (4U on its side); rack mountable with the optional ThinkSystem ST45/ST50/ST250 Series Rack Mount Kit, which adds 1U (5U total)
- Dimensions
- 170 mm W x 376 mm H (370 mm without stand) x 315-316 mm D (6.7 x 14.8 x 12.4 in)
- Weight
- 8.56 kg (18.9 lb) maximum
- Environment
- ASHRAE A2
- Security
- Padlock loop, Kensington cable slot
Management
- Controller
- No XClarity Controller (XCC); power/drive-activity LEDs only
- Tools
- Lenovo XClarity Provisioning Manager Lite (USB memory key) for setup and firmware updates
- Security
- Power-on and administrator passwords, TPM 2.0
Operating systems
- Windows
- Windows Server 2022, Windows Server 2025 (Windows 11 also tested for the desktop-style ports)
- Red Hat
- RHEL 9.4, 9.6-9.8, 10.0-10.2
- SUSE / Ubuntu / VMware
- See the Lenovo Operating System Interoperability Guide for the current supported list
Processors
- AMD EPYC 4124P
- AMD EPYC 4244P
- AMD EPYC 4344P
- AMD EPYC 4464P
- AMD EPYC 4245P
- AMD EPYC 4345P
- AMD EPYC 4465P
- AMD EPYC 4545P