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Compact black mini desktop, cube shape, smooth matte finish

Lenovo

Lenovo ThinkStation Mini Desktop i9-14900 T400 8GB 8TB

SKU CH-SWZQ-QT4TP

Mini desktop with 14th Gen i9-14900, NVIDIA T400 4GB GDDR6, 8GB DDR5 and 8TB NVMe SSD in a compact 1.5-inch chassis

  • Screen sizeNo Screen
  • RAM capacity8 GB DDR5
  • SSD storage8 TB
  • GraphicsNVIDIA T400
  • Operating systemWindows 11 Pro
  • Form factorMini PC
  • 24 cores and 32 threads handle heavy multitasking
  • 8 TB PCIe NVMe SSD stores massive datasets locally
  • NVIDIA T400 4 GB GDDR6 drives up to four displays
  • WiFi 6 and Bluetooth 5.3 keep wireless links fast
  • Compact 1.5 in height fits tight desk spaces

Compact workstation for professional workloads

The Lenovo ThinkStation Mini packs a 14th Gen Intel i9-14900 processor with 24 cores and 32 threads into a 7 by 7.25 by 1.5 inch chassis. It targets engineers, analysts and creators who need multi-threaded compute power in a space-constrained office or lab environment. The 300W power supply drives the CPU and a dedicated NVIDIA T400 graphics card with 4GB GDDR6 memory.

Step up from integrated-graphics mini PCs

This configuration replaces systems that rely solely on integrated graphics for visualisation or light GPU-accelerated tasks. The jump is worth it when workflows use CAD viewports, multi-display setups across the HDMI, DisplayPort and three mini-DisplayPort outputs, or compute workloads that benefit from dedicated GDDR6 video memory. The 8GB DDR5 SO-DIMM provides a baseline for single-channel operation.

8TB NVMe headroom for active projects

The single 8TB PCIe NVMe SSD holds operating system, applications and large project datasets without secondary drives. It comfortably handles current working sets, local caches and scratch files for video or simulation work. Capacity runs out when archival libraries, raw footage repositories or multi-terabyte databases must stay online simultaneously, requiring external or network storage expansion.

How it compares

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

Price $2,124.99
Pricier than about 90% of the 14,711 comparable items (median $494.99).
RAM capacity 8 GB DDR5
Lower than about 80% of the 13,125 comparable items (median 16 GB).
SSD storage 8 TB
Higher than about 94% of the 11,342 comparable items (median 512 GB).

Specifications

Product
Brand nameLenovo
Model nameThinkStation
Product typeBusiness & Home Office
Processor
L3 cache per CPU36 MB Cache
Memory
RAM capacity8 GB DDR5
Storage
SSD storage8 TB
Hard driveNo
Optical driveNo Optical Drive
Display
Screen sizeNo Screen
Graphics
GraphicsNVIDIA T400
GPU interfacePCI Express x16
Connectivity
Wi-Fi802.11ax
Bluetooth support5.3
Ports & slots
Memory card readerNo
Ethernet portYes
Power
Power supply300 W
Size & build
Form factorMini PC
In the box
Included monitorNot included
Software
Operating systemWindows 11 Pro
More details
Keyboard typeUSB Keyboard

Questions about this item

What are the exact dimensions of the Lenovo ThinkStation Mini so I can check if it fits my desk space?

The unit measures 7 inches wide by 7.25 inches deep by 1.5 inches high and weighs 3.1 pounds, making it compact enough for tight desk areas or VESA mounting behind a monitor.

How do I install additional memory in this Mini PC and what slot type does it use?

Open the chassis, locate the SO-DIMM slot, and insert a DDR5 module at an angle until it clicks; the system ships with one 8GB stick installed, so a second module adds dual-channel performance.

When will the 300W power supply need replacement under typical workloads?

The internal 300W PSU is rated for continuous operation; plan to evaluate it after several years of heavy use or if the system becomes unstable under sustained 24-core CPU and T400 GPU loads.

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