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Lenovo ThinkStation P620 tower workstation in black finish

Lenovo

Lenovo ThinkStation P620 Threadripper PRO 3945WX 4.0GHz 64GB RTX A4000 1TB NVMe 2x2TB SATA SSD W11 Pro

SKU CH-RC9P-F3TGB

A Threadripper PRO workstation with 12 cores, 64 GB DDR4, RTX A4000 graphics, 1 TB NVMe plus 2× 2 TB SATA storage, and a 1000 W supply for CAD and rendering

  • TypeBusiness Desktops & Workstations
  • Form FactorTower
  • UsageWorkstation
  • Memory64GB
  • Storage1x 1TB SSD M.2, 2x 2TB SSD
  • GraphicsRTX A4000
  • Threadripper PRO 3945WX delivers 12 cores at 4.0 GHz for heavy rendering
  • 64 GB DDR4 ECC memory handles large assemblies and virtual machines
  • RTX A4000 GPU accelerates CAD, 3D visualization and engineering workflows
  • 1 TB NVMe plus 2 × 2 TB SATA SSD gives fast boot and ample project storage
  • 1000 W power supply supports expansion cards and future storage upgrades

Threadripper PRO Workstation for Professional

The Lenovo ThinkStation P620 is a tower workstation built around the AMD Ryzen Threadripper PRO 3945WX processor with 12 cores and 24 threads running at 4.0 GHz base and 4.30 GHz boost. It targets engineers, 3D artists, and CAD professionals who need certified stability for rendering, simulation, and complex modelling tasks. Eight DIMM slots provide an eight-channel DDR4 ECC memory architecture for data integrity.

64GB Memory and 5TB Mixed Storage Configuration

The system ships with 64GB of installed RAM across the eight slots, leaving headroom to reach the 1TB maximum supported capacity for larger datasets and virtual machines. Storage combines a 1TB NVMe M.2 drive for operating system and active projects with two 2TB SATA SSDs totalling 5TB, balancing low-latency access with high-capacity project libraries and backups.

NVIDIA RTX A4000 Graphics

The NVIDIA RTX A4000 adds professional GPU acceleration for CAD, visualisation, and GPU-enabled creative applications, backed by a 1000W power supply that supports additional expansion cards and storage scaling. Buyers who require more than 12 CPU cores, higher single-thread frequencies, or multiple high-end GPUs will need a different platform. Windows 11 Pro provides the operating environment.

Highlights

  • Threadripper PRO 3945WX delivers 12 cores at 4.0 GHz for heavy rendering
  • 64 GB DDR4 ECC memory handles large assemblies and virtual machines
  • RTX A4000 GPU accelerates CAD, 3D visualization and engineering workflows
  • 1 TB NVMe plus 2 × 2 TB SATA SSD gives fast boot and ample project storage
  • 1000 W power supply supports expansion cards and future storage upgrades

Specifications

BrandLenovo
SeriesThinkStation
ModelP620
TypeBusiness Desktops & Workstations
Form FactorTower
UsageWorkstation
Memory64GB
Storage1x 1TB SSD M.2, 2x 2TB SSD
GraphicsRTX A4000
Power Supply1000W
Operating SystemWindows 11 Pro
Windows 11Ready
CPU Base Frequency4.00GHz
Graphics CardRTX A4000
Memory Capacity64GB
Memory Slot (Total)8
Maximum Memory Supported1TB
SSD5TB
HDDNo
Front USB4
Front Audio Ports1
Rear USB6
RJ451 port
Rear Audio Ports3 ports

Questions about this item

Will the 1000W power supply handle the RTX A4000 and Threadripper PRO 3945WX together with my existing PCIe add-in cards?

The 1000W unit is sized for the RTX A4000 and 12-core Threadripper PRO 3945WX at 4.0 GHz base, leaving headroom for additional PCIe Gen 4 expansion cards and storage upgrades.

How can I verify the 64GB DDR4 ECC memory is running in 8-channel mode after setup?

Open Task Manager or BIOS; you should see all 8 DIMM slots populated and memory reported as 64GB running at the rated DDR4 ECC speed across 8 channels.

Does the box include the 1TB NVMe M.2 and two 2TB SATA SSDs pre-installed, or must I supply any drives?

The 1TB NVMe M.2 and both 2TB SATA SSDs come factory-installed; no additional drives are required for the listed 5TB total capacity.

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