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Black tower workstation with side panel removed showing internal components

Lenovo

Lenovo ThinkStation P620 Threadripper PRO 3945WX 4.0GHz 192GB RTX A4000 4TB NVMe 24TB HDD W11 Pro

SKU CH-P537-7FYWC

A tower workstation for CAD and 3D rendering with a 12-core Threadripper PRO 3945WX at 4.0 GHz, 192 GB DDR4 ECC memory, an RTX A4000 graphics card, 4 TB NVMe SSD and 24 TB of 7200 rpm HDD storage.

  • TypeBusiness Desktops & Workstations
  • Form FactorTower
  • UsageWorkstation
  • Memory192GB
  • Storage2x 12TB, 1x 4TB SSD M.2
  • GraphicsRTX A4000
  • 12-core Threadripper PRO 3945WX powers heavy rendering and simulation workloads
  • 192GB DDR4 ECC memory handles large assemblies and multi-app workflows
  • 4TB NVMe plus 24TB 7200rpm storage delivers speed and capacity for project files
  • RTX A4000 GPU accelerates CAD, 3D visualization and GPU-enabled creative apps
  • 1000W supply supports expansion cards, extra storage and future upgrades

Professional Workstation for CAD and Rendering

The Lenovo ThinkStation P620 is a tower workstation built for CAD, 3D modeling, rendering, engineering, visualization, and creative production. It uses an AMD Ryzen Threadripper PRO 3945WX processor with 12 cores and 24 threads running at 4.0 GHz base and 4.30 GHz boost. The system includes 192GB of DDR4 ECC RDIMM memory across eight slots and an NVIDIA RTX A4000 graphics card. Windows 11 Pro provides the operating environment.

Storage Interface and Expansion Limits

The platform provides two built-in PCIe Gen 4 NVMe M.2 slots for primary solid-state storage. Additional storage and add-in cards connect through multiple PCIe Gen 4 expansion slots that support extra GPUs, networking, and NVMe scaling. The 1000W power supply delivers headroom for demanding components and future upgrades. Mechanical storage operates at 7200rpm.

Processor Decides Suitability

The Threadripper PRO 3945WX with its 12-core, 24-thread configuration determines whether this workstation matches a workload. Buyers who need higher core counts or newer processor architectures for larger simulations or heavier concurrent tasks will not be served by this specific CPU. The installed 192GB of memory and 4TB NVMe SSD complement the processor but cannot compensate for a core-count shortfall.

Points forts

  • 12-core Threadripper PRO 3945WX powers heavy rendering and simulation workloads
  • 192GB DDR4 ECC memory handles large assemblies and multi-app workflows
  • 4TB NVMe plus 24TB 7200rpm storage delivers speed and capacity for project files
  • RTX A4000 GPU accelerates CAD, 3D visualization and GPU-enabled creative apps
  • 1000W supply supports expansion cards, extra storage and future upgrades

Caractéristiques

BrandLenovo
SeriesThinkStation
ModelP620
TypeBusiness Desktops & Workstations
Form FactorTower
UsageWorkstation
Memory192GB
Storage2x 12TB, 1x 4TB SSD M.2
GraphicsRTX A4000
Power Supply1000W
Operating SystemWindows 11 Pro
Windows 11Ready
CPU Base Frequency4.00GHz
Graphics CardRTX A4000
Memory Capacity192GB
Memory Slot (Total)8
Maximum Memory Supported1TB
SSD4TB
HDD24TB
HDD RPM7200rpm
Front USB4
Front Audio Ports1
Rear USB6
RJ451 port
Rear Audio Ports3 ports

Questions sur cet article

Should I pick the 192GB configuration or add more DDR4 ECC RDIMM modules up to 1TB?

The workstation ships with 192GB across eight slots; if your CAD assemblies or virtual machines regularly exceed that, populate the remaining slots with compatible DDR4 ECC RDIMMs to reach the 1TB ceiling.

What does the 4.0GHz base clock on the Threadripper PRO 3945WX deliver inside this tower?

Twelve cores at 4.0GHz base and 4.30GHz boost give sustained multi-thread throughput for rendering, simulation and compilation workloads without thermal throttling thanks to the 1000W supply.

How does the PCIe Gen 4 NVMe interface affect the 4TB SSD speed in practice?

The M.2 drive runs on PCIe Gen 4 lanes, so sequential reads and writes hit the drive's rated ceiling — far above Gen 3 — accelerating project loads and scratch-disk performance.

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