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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

  • ProcessorAMD EPYC 4004 Series
  • Installed RAM16 GB
  • Installed SSDNo
  • ChipsetAMD PRO-665 Chip
  • Processor core count8-Core Processor
  • Type of memoryTruDDR5
  • 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.

How it compares

Measured against everything we stock in Rack & Tower Servers, at today’s prices. Recalculated every night.

Price $1,242.99
Cheaper than about 66% of the 17,641 comparable items (median $1,910.99).
Installed RAM 16 GB
Lower than about 90% of the 15,103 comparable items (median 128 GB).
Processor core count 8-Core Processor
Lower than about 90% of the 7,955 comparable items (median 16).

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Specifications

Product
Brand nameLenovo
Product lineThinkSystem ST45 V3
Model nameST45 V3
Part number7DH51001NA
Target workloadGeneral Purpose Server
Product typeTower
Processor
ProcessorAMD EPYC 4004 Series
Processor core count8-Core Processor
ChipsetAMD PRO-665 Chip
Processor speed4344P (3.8 GHz)
Processor cache32 MB L3 Cache
Installed CPUs1
Max supported CPUs1
Memory
Installed RAM16 GB
Type of memoryTruDDR5
Maximum RAM capacity64 GB
Memory slot count2
Storage
Installed SSDNo
Installed storageNone
Disk controllerOnboard 6 Gb SATA controller, supporting AHCI mode (non-RAID)
Maximum storage3.5 in drives:
24 TB using 3x 8 TB 3.5 in HDDs
2.5 in drives:
960 GB using 1x 960 GB 2.5 in SATA SSDs
Drive baysUp to 4x non-hot swap (NHS) drive bays:
- 3x 3.5 in NHS drive bays supporting HDDs or SSDs
- 1x 2.5 in NHS drive bay supporting an SSD
Ports & slots
Expansion card slotsTwo PCIe slots as follows:
Slot 1: PCIe 3.0 x16 full-height half-length (FHHL) (75 W)
Slot 3: PCIe 3.0 x1 full-height half-length (FHHL) (25 W)
Extra 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
Power supplyOne fixed 300 W Gold power supply
Size & build
Rack height4U
Product dimensions14.8 in × 6.7 in × 12.4 in
Product weight18.9 lb (8.57 kg)
Shipping weight18.14 kg
Package size508 × 508 × 254 mm
Environment & compliance
Temperature rangeOperating: 10 °C to 35 °C (50 °F to 95 °F)
Storage: -20 °C to 60 °C (-4 °F to 140 °F)
Humidity rangeOperating: ASHRAE Class A2: 8% to 80%
Storage: 8% to 90%

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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