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Small black square mini desktop with compact proportions

Lenovo

Lenovo ThinkStation Mini i9-14900 8GB 256GB T400 Win 11 Pro

SKU CH-88TQ-5DEC8

A mini desktop with a 14th Gen i9-14900, NVIDIA T400 graphics, 8GB DDR5, 256GB NVMe SSD, WiFi 6 and Bluetooth 5.3 running Windows 11 Pro

  • Screen sizeNo Screen
  • RAM capacity8 GB DDR5
  • SSD storage256 GB
  • GraphicsNVIDIA T400
  • Operating systemWindows 11 Pro
  • Form factorMini PC
  • 14th Gen i9-14900 with 24 cores and 32 threads powers demanding workloads
  • NVIDIA T400 4GB GDDR6 graphics drives multi-display productivity
  • 8GB DDR5 memory and 256GB PCIe NVMe SSD deliver responsive performance
  • WiFi 6 and Bluetooth 5.3 plus RJ-45 keep connections stable
  • Compact 1.5in high mini chassis fits tight workspaces

Compact workstation for professional workflows

The Lenovo ThinkStation Mini pairs a 14th Gen Intel Core i9-14900 processor with 24 cores and 32 threads alongside an NVIDIA T400 4GB GDDR6 graphics card. It ships with 8GB DDR5 memory and a 256GB PCIe NVMe SSD running Windows 11 Pro. This configuration targets users who need multi-threaded CPU performance and certified professional graphics in a 7 IN by 7.25 IN by 1.5 IN chassis.

Verify power and display connections before ordering

The system relies on a 300W internal power supply, so confirm your workload stays within that envelope. Video outputs consist of one HDMI, one full-size DisplayPort and three mini DisplayPort connectors; ensure your monitors match these interfaces or that you have suitable adapters. Wireless connectivity uses WiFi 6 and Bluetooth 5.3, while a single RJ-45 port handles wired networking.

Small footprint with dense port layout

At 3.1lb the unit is light enough for shelf or VESA mounting behind a display. The front panel provides a USB 3.2 Type-C port and a headphone/microphone combo jack for quick peripheral access. A USB keyboard and mouse are included in the box. The compact dimensions leave little internal expansion room, so plan storage and memory needs around the existing 256GB NVMe drive and single SODIMM slot.

How it compares

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

Price $986.99
Pricier than about 76% 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 256 GB
Lower than about 80% 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 storage256 GB
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

Does the box include a monitor, or do I need to buy one separately?

The system ships with a USB keyboard and mouse, but no monitor is included so you will need to provide your own display.

Is the 8 GB of DDR5 memory enough for professional 3D work, or should I plan to add more?

8 GB DDR5 SO-DIMM handles everyday CAD and multi-tasking; for larger assemblies or rendering you will want to install additional modules.

What does the i9-14900's 5.8 GHz boost actually deliver in a 300 W mini chassis?

The 24-core, 32-thread processor reaches 5.8 GHz on short bursts; sustained loads are limited by the 300 W power supply and compact thermal design.

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