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Compact black mini PC, 7 by 7.25 by 1.5 inches, front USB-C and audio jack, rear HDMI DisplayPort mini-DisplayPort Ethernet

Lenovo

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

SKU CH-6ATQ-E3HR6

Mini desktop with 14th Gen i9-14900 24-core processor, NVIDIA T400 4GB GDDR6 graphics, 16GB DDR5 memory and 4TB NVMe storage running 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 Intel i9-14900 with 24 cores and 32 threads for heavy multitasking
  • NVIDIA T400 4GB GDDR6 graphics for professional visual workloads
  • 16GB DDR5 memory and 4TB NVMe SSD for fast data access
  • WiFi 6 and Bluetooth 5.3 plus RJ-45 for flexible connectivity
  • Compact 1.5-inch mini chassis with 300W power supply

Lenovo ThinkStation Mini with i9-14900

This compact desktop pairs a 14th Gen Intel i9-14900 processor with an NVIDIA T400 4GB GDDR6 graphics card. It ships with 16GB DDR5 memory, a 4TB PCIe NVMe SSD and Windows 11 Pro pre-installed. A 300W power supply runs the system in a 7 x 7.25 x 1.5 inch chassis weighing 3.1lb.

Suits professionals needing multi-display

The four display outputs — HDMI, one DisplayPort and three mini DisplayPort — drive multiple monitors from a small footprint. Buyers who need more than 16GB memory, additional internal drive bays or a higher-wattage power supply for larger graphics cards should consider a larger form factor.

300W power supply limits graphics upgrades

The fixed 300W unit powers the included T400 and the 24-core CPU but leaves no headroom for discrete cards requiring auxiliary power connectors. If your workload demands a more powerful GPU, this chassis cannot accommodate it.

Highlights

  • 14th Gen Intel i9-14900 with 24 cores and 32 threads for heavy multitasking
  • NVIDIA T400 4GB GDDR6 graphics for professional visual workloads
  • 16GB DDR5 memory and 4TB NVMe SSD for fast data access
  • WiFi 6 and Bluetooth 5.3 plus RJ-45 for flexible connectivity
  • Compact 1.5-inch mini chassis with 300W power supply

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
SSD4 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 does the 24-core i9-14900 behave inside this 7 × 7.25 × 1.5 in chassis?

The 2.00 GHz base clock runs within the 300 W supply; turbo reaches 5.8 GHz when thermals allow, and the 36 MB cache keeps feed rates high for compile or render bursts.

What does the PCI Express x16 link mean for the T400 4 GB GDDR6 card?

The slot provides full x16 bandwidth so the GPU can move textures and compute buffers without a bottleneck from the bus.

Will the 16 GB DDR5 SO-DIMM fit the two SODIMM sockets in this mini frame?

The board accepts DDR5 SO-DIMMs; the kit supplied occupies one slot, leaving the second free for a later upgrade.

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