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Lenovo ThinkStation P620 tower workstation in matte black finish

Lenovo

Lenovo ThinkStation P620 Threadripper 3945WX 4.0GHz 256GB 1TB NVMe 2TB HDD RTX A2000 12GB W11 Pro

SKU CH-A3JE-NGB8H

Threadripper PRO 12-core workstation with 256 GB DDR4 ECC, 1 TB NVMe, 2 TB HDD and RTX A2000 12 GB for CAD and 3D rendering

  • TypeBusiness Desktops & Workstations
  • Form FactorTower
  • UsageWorkstation
  • Memory256GB
  • Storage1x 2TB HDD, 1x 1TB SSD M.2
  • GraphicsRTX A2000
  • Threadripper PRO 3945WX with 12 cores and 24 threads powers heavy rendering workloads
  • 256GB DDR4 ECC memory across 8 slots handles massive datasets and virtual machines
  • 1TB NVMe SSD plus 2TB 7200rpm HDD gives fast boot and ample project storage
  • RTX A2000 12GB GPU accelerates CAD, 3D visualization and GPU-enabled creative apps
  • 1000W supply and PCIe Gen 4 expansion support future GPU, networking and storage upgrades

Professional CAD Workstation

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 a 4.0 GHz base frequency. The system ships with Windows 11 Pro for modern security and remote desktop features. Professionals needing certified drivers for ISV applications will find this platform suitable.

256GB Memory and Dual-Drive Storage

Installed memory totals 256GB across eight DDR4 ECC RDIMM slots, leaving headroom to reach the 1TB maximum supported capacity for larger datasets and virtual machines. A 1TB NVMe M.2 SSD provides fast boot and active-project access, while a 2TB 7200rpm HDD adds bulk capacity for archives and backups. The motherboard includes two built-in PCIe Gen 4 NVMe M.2 slots for future expansion. Workloads exceeding 256GB active memory or requiring faster scratch disks will need upgrades.

RTX A2000 Graphics and 1000W Power

The NVIDIA RTX A2000 with 12GB VRAM accelerates CAD, 3D visualization, rendering, and GPU-enabled creative applications. A 1000W power supply delivers overhead for the current configuration and supports additional PCIe Gen 4 expansion cards such as extra GPUs, networking, or NVMe storage. Buyers who require more than 12GB VRAM for massive scenes or who need multiple high-power GPUs should verify total power budget before expanding.

Highlights

  • Threadripper PRO 3945WX with 12 cores and 24 threads powers heavy rendering workloads
  • 256GB DDR4 ECC memory across 8 slots handles massive datasets and virtual machines
  • 1TB NVMe SSD plus 2TB 7200rpm HDD gives fast boot and ample project storage
  • RTX A2000 12GB GPU accelerates CAD, 3D visualization and GPU-enabled creative apps
  • 1000W supply and PCIe Gen 4 expansion support future GPU, networking and storage upgrades

Specifications

BrandLenovo
SeriesThinkStation
ModelP620
TypeBusiness Desktops & Workstations
Form FactorTower
UsageWorkstation
Memory256GB
Storage1x 2TB HDD, 1x 1TB SSD M.2
GraphicsRTX A2000
Power Supply1000W
Operating SystemWindows 11 Pro
Windows 11Ready
CPU Base Frequency4.00GHz
Graphics CardRTX A2000
Memory Capacity256GB
Memory Slot (Total)8
Maximum Memory Supported1TB
SSD1TB
HDD2TB
HDD RPM7200rpm
Front USB4
Front Audio Ports1
Video Ports4 x Mini DisplayPort
Rear USB6
RJ451 port
Rear Audio Ports3 ports

Questions about this item

Will the 1000W power supply handle the Threadripper 3945WX and RTX A2000 together with my existing PCIe add-in cards?

The 1000W unit is sized for the 12-core 4.0 GHz Threadripper PRO 3945WX and the RTX A2000, leaving headroom for additional PCIe Gen 4 expansion cards such as extra GPUs, networking or NVMe storage.

How can I verify the 256GB DDR4 ECC memory is running in full 8-channel mode after setup?

Open Task Manager or a hardware monitor and confirm all 8 DIMM slots show populated with ECC RDIMMs at the rated speed; the BIOS will also report 8-channel operation on the memory configuration screen.

Does the box include the 1TB NVMe M.2 SSD and 2TB 7200rpm HDD already installed, or must I buy drives separately?

Both drives ship pre-installed — the 1TB NVMe M.2 SSD in one of the two onboard PCIe Gen 4 slots and the 2TB 7200rpm HDD in a 3.5-inch bay — so no additional storage purchase is required.

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