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Small black mini desktop, 7 by 7.25 by 1.5 inches, USB keyboard and mouse included

Lenovo

Lenovo ThinkStation Mini Desktop i9-14900 T400 4GB 16GB DDR5 2TB NVMe Win 11 Pro

SKU CH-G647-TSCHE

A mini workstation with a 14th Gen i9-14900, NVIDIA T400 4GB GDDR6 graphics, 16GB DDR5, 2TB NVMe and Windows 11 Pro

  • TypeBusiness & Home Office
  • Form FactorMini PC
  • Power Supply300W
  • MonitorMonitor not included
  • Operating SystemWindows 11 Pro
  • L3 Cache Per CPU36MB Cache
  • 24 cores and 32 threads handle heavy workloads with the i9-14900 up to 5.8 GHz
  • NVIDIA T400 4 GB GDDR6 graphics drive professional visual tasks
  • 16 GB DDR5 memory keeps multi-app sessions responsive
  • 2 TB NVMe SSD stores large projects and boots fast
  • WiFi 6 and Bluetooth 5.3 plus RJ-45 give flexible connectivity

Compact workstation desktop

The Lenovo ThinkStation Mini packs a 14th Gen Intel i9-14900 processor with 24 cores and 32 threads into a 7 by 7.25 inch chassis. It targets professionals who need high single-thread frequency up to 5.8 GHz for CAD, simulation or data-analysis workloads but have limited desk space. The 300 W power supply and integrated NVIDIA T400 graphics keep the platform self-contained without external power bricks.

NVIDIA T400 4 GB GDDR6

The dedicated T400 adds 4 GB of GDDR6 memory alongside the processor graphics, giving ISV-certified drivers for SolidWorks, Revit and similar applications. Four display outputs — one full-size DisplayPort, three mini-DisplayPort and HDMI — drive up to four 4K monitors from a single system. WiFi 6 and Bluetooth 5.3 handle wireless peripherals while the RJ-45 port provides wired network stability.

16 GB DDR5 and 2 TB NVMe

Sixteen gigabytes of DDR5 SO-DIMM memory suits typical single-model assemblies and medium datasets; larger multi-discipline models will require a memory upgrade. The 2 TB PCIe NVMe SSD holds the operating system, applications and active project files with headroom for local caches. Builders needing a second GPU, additional internal storage bays or higher sustained power draw should consider a tower workstation instead.

Highlights

  • 24 cores and 32 threads handle heavy workloads with the i9-14900 up to 5.8 GHz
  • NVIDIA T400 4 GB GDDR6 graphics drive professional visual tasks
  • 16 GB DDR5 memory keeps multi-app sessions responsive
  • 2 TB NVMe SSD stores large projects and boots fast
  • WiFi 6 and Bluetooth 5.3 plus RJ-45 give flexible connectivity

Specifications

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 Capacity16GB DDR5
SSD2 TB
HDDNo
Optical Drive TypeNo Optical Drive
Screen SizeNo Screen
WLAN802.11ax
BluetoothBluetooth 5.3
Card ReaderNo
RJ45Yes
Keyboard TypeUSB Keyboard

Questions about this item

How often will the 300W power supply need replacement under heavy loads?

The 300W PSU is rated for continuous operation; replacement is only needed if a fault develops, not on a fixed schedule.

What thermal limit does the i9-14900 hit first during sustained all-core work?

The 24-core processor will reach its 5.8 GHz turbo ceiling or the 300W PSU power limit before thermal throttling engages.

How loud is the fan when the NVIDIA T400 4GB GDDR6 runs all day?

The Mini PC uses a single system fan that stays near idle speed for typical workloads; audible noise only rises during prolonged GPU compute.

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