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Tower workstation chassis with professional graphics card installed

Lenovo

Lenovo ThinkStation P620 16GB RTX A4000 4TB HDD hard drive adapter

SKU CH-MZWW-CVM30

A workstation tower with 12-core Threadripper PRO processing, 16GB memory, RTX A4000 graphics, 2TB NVMe and 4TB HDD storage for CAD and 3D rendering

  • TypeBusiness Desktops & Workstations
  • Form FactorTower
  • UsageWorkstation
  • Memory16GB
  • Storage1x 4TB HDD, 1x 2TB SSD M.2
  • GraphicsRTX A4000
  • Threadripper PRO 12-core CPU powers heavy CAD and rendering workloads
  • RTX A4000 GPU accelerates 3D visualization and engineering applications
  • 16GB DDR4 ECC memory supports large project files and multitasking
  • 2TB NVMe SSD plus 4TB 7200rpm HDD combine speed and capacity
  • 1000W supply enables GPU and storage expansion for future needs

Workstation Adapter for P620

The Lenovo ThinkStation P620 adapter connects a 4TB hard drive to the tower workstation platform. It supports the 12-core Threadripper PRO 3945WX processor running at 4.0 GHz base frequency. The unit integrates with 16GB of installed DDR4 memory across eight slots. Professional users in CAD and 3D rendering gain direct storage expansion.

Sustained Load Storage Behavior

The 4TB HDD operates at 7200rpm to maintain throughput during extended rendering and engineering workloads. A 1000W power supply delivers stable current to the drive alongside the RTX A4000 graphics card. Eight-channel memory architecture reduces bottlenecks when large project files move between storage and 24-thread CPU cores. Thermal headroom in the tower chassis supports continuous operation.

PCIe Gen 4 Interface Limits

Onboard PCIe Gen 4 NVMe M.2 slots set the bandwidth ceiling for primary storage expansion. The adapter relies on this generation-four link for peak transfer rates rather than legacy interfaces. Additional PCIe Gen 4 expansion cards can scale NVMe capacity further within the workstation. Maximum memory supported reaches 1TB across the eight DIMM slots.

Highlights

  • Threadripper PRO 12-core CPU powers heavy CAD and rendering workloads
  • RTX A4000 GPU accelerates 3D visualization and engineering applications
  • 16GB DDR4 ECC memory supports large project files and multitasking
  • 2TB NVMe SSD plus 4TB 7200rpm HDD combine speed and capacity
  • 1000W supply enables GPU and storage expansion for future needs

Specifications

BrandLenovo
SeriesThinkStation
ModelP620
TypeBusiness Desktops & Workstations
Form FactorTower
UsageWorkstation
Memory16GB
Storage1x 4TB HDD, 1x 2TB SSD M.2
GraphicsRTX A4000
Power Supply1000W
Operating SystemWindows 11 Pro
Windows 11Ready
CPU Base Frequency4.00GHz
Graphics CardRTX A4000
Memory Capacity16GB
Memory Slot (Total)8
Maximum Memory Supported1TB
SSD2TB
HDD4TB
HDD RPM7200rpm
Front USB4
Front Audio Ports1
Rear USB6
RJ451 port
Rear Audio Ports3 ports

Questions about this item

How much heat and noise does the 4 TB 7200rpm drive add when the workstation runs all day?

The 4 TB hard drive spins at 7200rpm inside the tower chassis; its heat output is handled by the system fans powered from the 1000W supply, and acoustic levels match typical enterprise HDD operation under sustained workloads.

What must already be present in the ThinkStation P620 for the 4 TB hard drive to function?

The P620 tower provides internal 3.5-inch drive bays with power and data connections supplied by the 1000W unit, so the 4 TB 7200rpm drive installs directly without extra cables or adapters.

Will the 4 TB 7200rpm drive work alongside the existing 2 TB NVMe SSD and RTX A4000 in the same chassis?

Yes — the 2 TB NVMe SSD occupies an M.2 slot while the 4 TB drive uses a separate 3.5-inch bay, both powered by the 1000W supply, leaving the RTX A4000 and Threadripper PRO 3945WX unaffected.

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