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Lenovo ThinkStation P620 tower workstation in black finish

Lenovo

Lenovo ThinkStation P620 Threadripper PRO 3945WX 4.0GHz 64GB 1TB NVMe RTX 3070 desktop PC

SKU CH-HQ3G-41GBC

A Threadripper PRO workstation with 12 cores, 64GB RAM, 1TB NVMe storage and an RTX 3070 for rendering, engineering and high-resolution gaming

  • Memory size64 GB
  • Storage drive1x 1 TB SSD M.2
  • GPURTX 3070
  • RAM capacity64 GB
  • SSD storage1 TB
  • Operating systemWindows 11 Pro
  • Threadripper PRO 3945WX delivers 12 cores and 24 threads at 4.0 GHz base for heavy rendering
  • 64 GB DDR4 ECC memory handles large datasets and virtual machines without slowdown
  • 1 TB NVMe M.2 SSD loads projects and boots Windows 11 Pro in seconds
  • RTX 3070 GPU accelerates creative apps and drives high-resolution gaming
  • 1000 W supply and 8 DIMM slots give room for future GPU, storage and memory upgrades

Workstation Tower for Professional Workloads

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 a 4.0 GHz base frequency. It ships with 64GB of DDR4 ECC RDIMM memory across eight slots and a 1TB NVMe M.2 drive. An NVIDIA GeForce RTX 3070 graphics card and Windows 11 Pro complete the configuration for rendering, engineering and content creation tasks.

Expansion Slots and Power Headroom

The chassis provides eight DIMM slots supporting up to 1TB of total memory and two built-in PCIe Gen 4 NVMe M.2 slots for storage scaling. Multiple PCIe Gen 4 expansion slots accept additional GPUs, networking cards or further NVMe drives. A 1000W power supply delivers the overhead needed for demanding add-in cards and future configuration changes without requiring a PSU swap.

Connectivity and Daily Use

Four front-facing USB ports give quick access for peripherals, external drives and authentication tokens during daily sessions. The tower form factor keeps internal components accessible for memory upgrades or card swaps while the 1000W unit runs quietly under typical professional loads. Windows 11 Pro enables remote desktop, modern security features and domain join for managed environments.

How it compares

Measured against everything we stock in Tower & Compact Desktop PCs, at today’s prices. Recalculated every night.

Price $1,496.99
Pricier than about 88% of the 14,711 comparable items (median $494.99).
Memory size 64 GB
Higher than about 91% of the 5,840 comparable items (median 16 GB).
RAM capacity 64 GB
Higher than about 90% of the 13,125 comparable items (median 16 GB).

Specifications

Product
Brand nameLenovo
Product lineThinkStation
Model nameP620
Product typeBusiness Desktops & Workstations
Recommended useWorkstation
Processor
Base clock speed4 GHz
Memory
Memory size64 GB
RAM capacity64 GB
Total memory slots8
Max supported RAM1 TB
Storage
Storage drive1x 1 TB SSD M.2
SSD storage1 TB
Hard driveNo
Graphics
GPURTX 3070
GPU modelRTX 3070
Ports & slots
Front USB ports4
Front audio jacks1
Video connectors1x HDMI 2.1 3x DisplayPort 1.4a
Rear USB ports6
Ethernet port1 port
Rear audio jacks3 ports
Power
Power supply1000 W
Size & build
Form factorTower
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Pro

Questions about this item

Does the tower ship with a keyboard, mouse or monitor, or do those need to be purchased separately?

The workstation includes the tower with the Threadripper PRO 3945WX, 64GB DDR4 ECC memory, 1TB NVMe SSD, RTX 3070 graphics and a 1000W power supply running Windows 11 Pro. Keyboard, mouse and display are not included.

The spec lists eight memory slots and 64GB installed — what is the maximum supported capacity?

The board provides eight DIMM slots for 8-channel DDR4 ECC RDIMM memory and supports up to 1TB total, so the current 64GB can be expanded significantly for larger workloads.

What does the 4.0 GHz base clock on the 12-core Threadripper PRO 3945WX mean for sustained rendering workloads?

The 12-core, 24-thread CPU runs at a 4.0 GHz base frequency with a 4.30 GHz boost, delivering consistent multi-core throughput for extended rendering, simulation and compile jobs without thermal throttling.

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