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Lenovo ThinkSystem ST45 V3 tower server in black finish

Lenovo

Lenovo ThinkSystem ST45 V3 7DH51001NA Tower Server EPYC 4344P 16GB

SKU CH-C42V-TWK89 MPN 7DH51001NA

Tower server with an 8-core EPYC 4344P at 3.80 GHz, 16 GB TruDDR5, two PCIe 3.0 slots and bays for three 3.5-inch SATA drives

  • WorkloadGeneral Purpose Server
  • TypeTower
  • Rack Height4U
  • CPU TypeAMD EPYC 4004 Series
  • CPU Speed4344P (3.80 GHz)
  • Number of CPU Cores8-Core Processor
  • 8-core AMD EPYC 4344P at 3.80 GHz handles multi-threaded workloads
  • 16 GB TruDDR5 at 5600 MHz with ECC protects data integrity
  • Expandable to 64 GB across two DIMM slots for future growth
  • Four non-hot-swap bays support up to 24 TB of 3.5-inch storage
  • PCIe 3.0 x16 and x1 slots plus 300 W Gold power supply enable add-in cards

Lenovo ThinkSystem ST45 V3 Tower Server

The Lenovo ThinkSystem ST45 V3 is a 4U tower server built around a single AMD EPYC 4344P eight-core processor running at 3.80 GHz. It ships with 16 GB of TruDDR5 ECC memory and supports up to 64 GB across two DIMM slots. The AMD PRO-665 chipset provides an onboard 6 Gb SATA controller in AHCI mode. This configuration suits small businesses or branch offices needing a general-purpose server for file, print or light application workloads.

Storage and expansion capabilities

No hard drives are installed, so you must add storage before deployment. The chassis accepts up to three 3.5-inch non-hot-swap drives for a maximum of 24 TB, or one 2.5-inch SATA SSD up to 960 GB. Expansion includes a PCIe 3.0 x16 full-height half-length slot rated at 75 W and a PCIe 3.0 x1 full-height half-length slot rated at 25 W for add-in cards such as RAID controllers or network adapters.

Power and form-factor checks

A single fixed 300 W Gold-rated power supply is included; verify that its output and connector layout meet the demands of any drives and expansion cards you plan to install. The 4U tower dimensions require adequate desk or rack shelf space and airflow clearance. Confirm that your operating system and management tools support the AMD EPYC 4004 series platform and TruDDR5 memory before ordering.

Highlights

  • 8-core AMD EPYC 4344P at 3.80 GHz handles multi-threaded workloads
  • 16 GB TruDDR5 at 5600 MHz with ECC protects data integrity
  • Expandable to 64 GB across two DIMM slots for future growth
  • Four non-hot-swap bays support up to 24 TB of 3.5-inch storage
  • PCIe 3.0 x16 and x1 slots plus 300 W Gold power supply enable add-in cards

Specifications

BrandLenovo
SeriesThinkSystem ST45 V3
ModelST45 V3
Part Number7DH51001NA
WorkloadGeneral Purpose Server
TypeTower
Rack Height4U
CPU TypeAMD EPYC 4004 Series
CPU Speed4344P (3.80 GHz)
Number of CPU Cores8-Core Processor
Cache Memory32 MB L3 Cache
# of Processors Installed1
MAX Processors1
ChipsetAMD PRO-665 Chip
Installed Memory Size16GB
Memory TypeTruDDR5
Max Memory Capacity64GB
Memory FeaturesTwo DIMM sockets supporting Lenovo TruDDR5 DIMMs at 5600 MHz. Support ECC UDIMMs.
Number of Memory Slots2
Hard Drive (Installed)None
Storage ControllerOnboard 6 Gb SATA controller, supporting AHCI mode (non-RAID)
SSD (Installed)No
Max HDD Capacity3.5-inch drives:
24TB using 3x 8TB 3.5-inch HDDs
2.5-inch drives:
960GB using 1x 960GB 2.5-inch SATA SSDs
Expansion SlotsTwo PCIe slots as follows:
Slot 1: PCIe 3.0 x16 full-height half-length (FHHL) (75W)
Slot 3: PCIe 3.0 x1 full-height half-length (FHHL) (25W)
Expansion BaysUp to 4x non-hot swap (NHS) drive bays:
- 3x 3.5-inch NHS drive bays supporting HDDs or SSDs
- 1x 2.5-inch NHS drive bay supporting an SSD
Other portsFront ports:
Five USB ports
- 1x USB 3 (5 Gb/s) with USB-C connector
- 4x USB 3 (5 Gb/s) with USB-A connector
Microphone port*
Headset port*
Rear ports:
Four USB 2.0 ports
Two DisplayPort 1.4 video ports
One HDMI 2.1
One RJ-45 Gigabit Ethernet port
One audio line-out port*
* Windows 11 only; some line noise is possible
Power CharacteristicsOne fixed 300W Gold power supply
TemperatureOperating: 10°C to 35°C (50°F to 95°F)
Storage: -20°C to 60°C (-4°F to 140°F)
HumidityOperating: ASHRAE Class A2: 8% to 80%
Storage: 8% to 90%
Dimensions14.8" x 6.7" x 12.4"
Weight18.9 lbs.
Shipping weight18.14 kg
Package size508 × 508 × 254 mm

Questions about this item

What memory upgrades will the ST45 V3 need later?

The system has two DIMM slots with 16 GB installed and supports up to 64 GB of TruDDR5 at 5600 MHz.

Which limit appears first when the EPYC 4344P runs sustained loads?

The single fixed 300 W Gold power supply caps total system draw, so CPU and any add-in cards must stay within that budget.

How loud or hot does the tower get when it runs all day?

With only a 300 W supply and two low-wattage PCIe slots (75 W and 25 W), heat output stays modest and fan noise remains low in typical office conditions.

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