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Small black square desktop mini PC, compact form factor, matte finish

Lenovo

Lenovo ThinkStation Mini PC i9-14900 T400 8GB 512GB Win 11 Pro

SKU CH-8K9K-6NJ1B

Compact workstation with 24-core i9-14900, NVIDIA T400 4GB GDDR6 graphics, 8GB DDR5 memory, 512GB PCIe NVMe SSD, WiFi 6, Bluetooth 5.3 and Windows 11 Pro

  • TypeBusiness & Home Office
  • Form FactorMini PC
  • Power Supply300W
  • MonitorMonitor not included
  • Operating SystemWindows 11 Pro
  • L3 Cache Per CPU36MB Cache
  • 14th Gen i9-14900 with 24 cores and 32 threads powers heavy workloads
  • NVIDIA T400 4GB GDDR6 graphics drives multi-display setups via four video outputs
  • 512GB PCIe NVMe SSD provides fast boot and application loading
  • WiFi 6 and Bluetooth 5.3 plus RJ-45 give flexible wired and wireless connectivity
  • Compact 7 x 7.25 x 1.5 inch mini chassis fits tight workspaces

Compact workstation for professional workflows

The Lenovo ThinkStation Mini PC pairs a 14th Gen Intel i9-14900 processor with 24 cores and 32 threads with an NVIDIA T400 4GB GDDR6 graphics card. It ships with 8GB DDR5 memory and a 512GB PCIe NVMe SSD running Windows 11 Pro. This configuration targets engineers, designers and analysts who need multi-threaded CPU performance and certified drivers in a 7 x 7.25 x 1.5 in chassis.

300W power supply manages thermals and acoustics

The integrated 300W PSU delivers enough headroom for the 14900 CPU at its 5.8 GHz boost and the discrete T400 GPU under sustained load. In typical office or CAD workloads the fan curve remains quiet, and the small footprint allows placement on a desk or behind a monitor without obstructing airflow. Power draw stays within the supply rating during normal professional use.

Mini chassis dictates connectivity and expansion

Four video outputs — HDMI, one full-size DisplayPort and three mini DisplayPort connectors — drive multiple 4K displays from a single device. A USB 3.2 Type-C port, RJ-45 Ethernet, WiFi 6 and Bluetooth 5.3 handle peripherals and networking. The 3.1 lb unit includes a USB keyboard and mouse, but the compact board leaves no room for internal drive bays or add-in cards, so storage upgrades must use external solutions. Buyers needing internal PCIe expansion or additional 2.5 in bays should consider a tower workstation instead.

I korthet

  • 14th Gen i9-14900 with 24 cores and 32 threads powers heavy workloads
  • NVIDIA T400 4GB GDDR6 graphics drives multi-display setups via four video outputs
  • 512GB PCIe NVMe SSD provides fast boot and application loading
  • WiFi 6 and Bluetooth 5.3 plus RJ-45 give flexible wired and wireless connectivity
  • Compact 7 x 7.25 x 1.5 inch mini chassis fits tight workspaces

Specifikationer

BrandLenovo
ModelThinkStation
TypeBusiness & Home Office
Form FactorMini PC
Power Supply300W
MonitorMonitor not included
Operating SystemWindows 11 Pro
L3 Cache Per CPU36MB Cache
GPU/VGA TypeNVIDIA T400
Graphics InterfacePCI Express x16
Memory Capacity8GB DDR5
SSD512 GB
HDDNo
Optical Drive TypeNo Optical Drive
Screen SizeNo Screen
WLAN802.11ax
BluetoothBluetooth 5.3
Card ReaderNo
RJ45Yes
Keyboard TypeUSB Keyboard

Frågor om den här produkten

How do I install the DDR5 SO-DIMM and what step is often missed?

Open the chassis, align the notch on the DDR5 SO-DIMM with the slot key, press firmly until the side clips click, then replace the cover; the step often missed is seating the module fully so both clips engage.

Which component will need replacement first during the system's life?

The 300W power supply is the component most likely to require replacement before the processor, memory or NVIDIA T400 graphics card.

What thermal limit appears first when the i9-14900 runs at 5.8 GHz under sustained load?

The 300W PSU and compact 7 x 7.25 x 1.5 in chassis limit total power draw, so the CPU will hit its power ceiling before reaching peak turbo for extended periods.

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