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Tower server chassis, matte black finish, front drive bays visible

Lenovo

Lenovo ThinkSystem ST45 V3 7DH51000NA Tower Server AMD EPYC 4344P 32GB TruDDR5

SKU CH-79QC-K1X8T MPN 7DH51000NA

Tower server with an 8-core AMD EPYC 4344P at 3.80 GHz, 32 GB TruDDR5 memory, and four non-hot-swap drive bays

  • ProcessorAMD EPYC 4004 Series
  • Installed RAM32 GB
  • Installed SSDNo
  • ChipsetAMD PRO-665 Chip
  • Processor core count8-Core Processor
  • Type of memoryTruDDR5
  • AMD EPYC 4344P 8-core CPU at 3.80 GHz handles general-purpose workloads
  • 32 GB TruDDR5 ECC memory at 5600 MHz protects data integrity
  • Expandable to 64 GB via two DIMM sockets for growing demands
  • Four non-hot-swap drive bays support up to 24 TB of 3.5-inch storage
  • 300 W Gold power supply and two PCIe 3.0 slots enable flexible expansion

Tower Server for General Purpose Workloads

The Lenovo ThinkSystem ST45 V3 is a 4U tower server built around a single AMD EPYC 4344P processor with eight cores running at 3.80 GHz. It ships with 32 GB of TruDDR5 memory and supports a maximum of 64 GB across two DIMM slots. This configuration targets small businesses or remote offices needing a standalone server for file, print or lightweight application duties.

Expansion Limits and Storage Interface

The system provides two PCIe 3.0 slots: one x16 full-height half-length slot rated at 75 W and one x1 full-height half-length slot rated at 25 W. Storage connects through an onboard 6 Gb SATA controller operating in AHCI mode without RAID. Drive bays accommodate 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.

Pre-Installation Checks

Verify that your workload fits within the single-processor limit and the 64 GB memory ceiling before ordering. Confirm that any add-in cards conform to the PCIe 3.0 x16 or x1 form factors and stay within the 75 W or 25 W slot power budgets. Ensure the fixed 300 W Gold power supply covers the combined draw of the CPU, memory and all installed peripherals.

How it compares

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

Price $1,129.99
Cheaper than about 70% of the 17,641 comparable items (median $1,910.99).
Installed RAM 32 GB
Lower than about 80% 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 number7DH51000NA
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 RAM32 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

Should I choose the 32 GB TruDDR5 configuration or plan for the 64 GB maximum?

The server ships with 32 GB in two DIMM slots running at 5600 MHz ECC UDIMM; both slots are occupied, so reaching 64 GB means replacing the installed modules rather than adding to them.

How does the 3.80 GHz 8-core EPYC 4344P perform in a real workload?

Eight Zen 4 cores at 3.80 GHz with 32 MB L3 cache deliver strong single-thread speed and enough multi-thread throughput for general-purpose tasks such as file, print, web or light virtualization.

What does the onboard 6 Gb SATA controller cap in practice?

The 6 Gb SATA controller limits each attached drive to 600 MB/s sequential throughput and operates in AHCI non-RAID mode, so software RAID or a separate RAID card is required for redundancy.

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