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Lenovo ThinkStation P620 tower workstation in matte black finish

Lenovo

Lenovo ThinkStation P620 Threadripper 3945WX 4.0GHz 64GB 2TB NVMe 12TB HDD RTX A2000 12GB W11 Pro

SKU CH-6SXK-0MR8B

Tower workstation with 12-core Threadripper PRO 3945WX at 4.0 GHz, 64 GB DDR4 ECC, 2 TB NVMe plus 12 TB HDD, and RTX A2000 12 GB graphics for CAD and rendering

  • TypeBusiness Desktops & Workstations
  • Form FactorTower
  • UsageWorkstation
  • Memory64GB
  • Storage1x 12TB, 1x 2TB SSD M.2
  • GraphicsRTX A2000
  • 12-core Threadripper PRO 3945WX at 4.0 GHz base for multi-threaded rendering
  • 64 GB DDR4 ECC memory across 8 channels handles large project files
  • 2 TB NVMe M.2 plus 12 TB 7200 rpm HDD combines speed with capacity
  • NVIDIA RTX A2000 12 GB accelerates CAD and 3D visualization
  • 1000 W power supply supports GPU and storage expansion

ThinkStation P620 Workstation

The Lenovo ThinkStation P620 is a tower workstation built for CAD, 3D rendering, engineering and creative production. An AMD Ryzen Threadripper PRO 3945WX with 12 cores and 24 threads drives multi‑core workloads at a 4.0 GHz base and 4.30 GHz boost. 64 GB of DDR4 ECC memory across eight slots handles large project files and virtual machines. It is not for buyers who need a compact desktop or integrated graphics only.

Thermals Noise Power

A 1000 W power supply feeds the CPU, an NVIDIA RTX A2000 graphics card and both storage drives under sustained professional loads. The tower chassis provides airflow for the 12‑core processor and discrete GPU during long rendering sessions. Acoustic output will rise with compute intensity but remains within workstation norms. It is not for environments that require fanless or ultra‑low‑power operation.

Build Connectors Mounting

The tower form factor offers eight DIMM slots, two onboard PCIe Gen 4 NVMe M.2 slots and multiple PCIe Gen 4 expansion slots for additional GPUs, networking or storage. One 2 TB NVMe SSD and one 12 TB 7200 rpm HDD are installed. Windows 11 Pro supports remote desktop and modern security features. It is not for builders who need rack‑mount dimensions or a smaller footprint.

Highlights

  • 12-core Threadripper PRO 3945WX at 4.0 GHz base for multi-threaded rendering
  • 64 GB DDR4 ECC memory across 8 channels handles large project files
  • 2 TB NVMe M.2 plus 12 TB 7200 rpm HDD combines speed with capacity
  • NVIDIA RTX A2000 12 GB accelerates CAD and 3D visualization
  • 1000 W power supply supports GPU and storage expansion

Specifications

BrandLenovo
SeriesThinkStation
ModelP620
TypeBusiness Desktops & Workstations
Form FactorTower
UsageWorkstation
Memory64GB
Storage1x 12TB, 1x 2TB SSD M.2
GraphicsRTX A2000
Power Supply1000W
Operating SystemWindows 11 Pro
Windows 11Ready
CPU Base Frequency4.00GHz
Graphics CardRTX A2000
Memory Capacity64GB
Memory Slot (Total)8
Maximum Memory Supported1TB
SSD2TB
HDD12TB
HDD RPM7200rpm
Front USB4
Front Audio Ports1
Video Ports4 x Mini DisplayPort
Rear USB6
RJ451 port
Rear Audio Ports3 ports

Questions about this item

How do I install the Threadripper 3945WX CPU into the P620 tower, and which step do people get wrong?

The processor drops into the sWRX8 socket and locks with the retention lever; the common mistake is skipping the even-pressure tightening sequence on the cooler mounting bracket, which can leave poor thermal contact across the 12 cores.

What maintenance or replacement will the 12 TB 7200 rpm HDD need later?

Plan to replace the mechanical drive after three to five years of heavy workloads; monitor SMART attributes for reallocated sectors and keep a current backup on the 2 TB NVMe volume.

What limit appears first on the RTX A2000 12 GB during sustained rendering?

The 12 GB frame buffer fills before the GPU compute units saturate, forcing texture offload to system memory and lowering frame rates in large CAD scenes.

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