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Lenovo ThinkStation P620 tower workstation in dark grey finish

Lenovo

Lenovo ThinkStation P620 3945WX 48GB RTX 3070 12TB hard drive adapter

SKU CH-HAD3-M3NW8

A Threadripper PRO workstation with 48 GB memory, RTX 3070 graphics and combined 2 TB NVMe plus 12 TB hard drive storage

  • TypeBusiness Desktops & Workstations
  • Form FactorTower
  • UsageWorkstation
  • Memory48GB
  • Storage1x 12TB, 1x 2TB SSD M.2
  • GraphicsRTX 3070
  • 12-core Threadripper PRO 3945WX at 4.0 GHz base
  • 48 GB DDR4 ECC memory for large projects
  • 2 TB NVMe plus 12 TB 7200 rpm HDD storage
  • NVIDIA RTX 3070 for GPU-accelerated creation
  • 1000 W power supply supports expansion

ThinkStation P620 Threadripper Workstation

The Lenovo ThinkStation P620 is a tower workstation built around an AMD Ryzen Threadripper PRO 3945WX processor with 12 cores and 24 threads running at 4.0 GHz base and 4.30 GHz boost. It ships with 48 GB of DDR4 ECC memory across eight DIMM slots and a dedicated NVIDIA GeForce RTX 3070 graphics card. The system includes a 2 TB NVMe M.2 SSD and a 12 TB 7200 rpm hard drive, powered by a 1000 W supply and running Windows 11 Pro.

Upgrading from consumer desktops

Moving to this platform makes sense when workloads exceed the memory capacity or PCIe lane count of mainstream desktop CPUs. The Threadripper PRO architecture provides 8-channel memory bandwidth and supports up to 1 TB of RAM for large datasets, virtual machines, and complex rendering. The 1000 W power supply and multiple PCIe Gen 4 slots allow adding further GPUs, high-speed networking, or additional NVMe storage without hitting platform limits.

Verify your workload fit

Confirm that your applications benefit from high core counts and ECC memory rather than peak single-thread frequency. The workstation form factor requires adequate rack or floor space and sufficient cooling for sustained multi-core loads. Ensure your software licences and plugins are compatible with the Windows 11 Pro environment and the RTX 3070 driver stack for GPU-accelerated tasks.

Highlights

  • 12-core Threadripper PRO 3945WX at 4.0 GHz base
  • 48 GB DDR4 ECC memory for large projects
  • 2 TB NVMe plus 12 TB 7200 rpm HDD storage
  • NVIDIA RTX 3070 for GPU-accelerated creation
  • 1000 W power supply supports expansion

Specifications

BrandLenovo
SeriesThinkStation
ModelP620
TypeBusiness Desktops & Workstations
Form FactorTower
UsageWorkstation
Memory48GB
Storage1x 12TB, 1x 2TB SSD M.2
GraphicsRTX 3070
Power Supply1000W
Operating SystemWindows 11 Pro
Windows 11Ready
CPU Base Frequency4.00GHz
Graphics CardRTX 3070
Memory Capacity48GB
Memory Slot (Total)8
Maximum Memory Supported1TB
SSD2TB
HDD12TB
HDD RPM7200rpm
Front USB4
Front Audio Ports1
Video Ports1x HDMI 2.1 3x DisplayPort 1.4a
Rear USB6
RJ451 port
Rear Audio Ports3 ports

Questions about this item

Will the 12TB hard drive fit in the ThinkStation P620 tower drive bays?

The 12TB 7200rpm HDD installs in a standard 3.5-inch drive bay inside the P620 tower chassis.

How is the 2TB NVMe M.2 SSD installed, and what step is often missed?

Insert the M.2 SSD into one of the two onboard PCIe Gen 4 M.2 slots at a slight angle, then secure it with the retention screw; the screw is often left loose.

When will the 12TB HDD or 2TB NVMe SSD need replacement?

Replace the 7200rpm HDD if SMART data shows reallocated sectors or unusual noise; replace the NVMe SSD when its TBW endurance rating is reached.

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