Lenovo
Lenovo ThinkStation Mini Desktop i9-14900 T400 4GB 8GB DDR5 2TB PCIe SSD 300W Win 11 Home
Mini workstation with a 14th Gen i9-14900, NVIDIA T400 4GB GDDR6 graphics, 8GB DDR5 memory, 2TB PCIe NVMe SSD, WiFi 6 and Bluetooth 5.3 in a compact chassis
- TypeBusiness & Home Office
- Form FactorMini PC
- Power Supply300W
- MonitorMonitor not included
- Operating SystemWindows 11 Home
- 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 gives dedicated graphics power for professional apps
- 8 GB DDR5 memory provides fast data access for multitasking
- 2 TB PCIe NVMe SSD stores large projects and boots quickly
- WiFi 6 and Bluetooth 5.3 plus RJ-45 keep connections stable and fast
Compact workstation for multi-threaded tasks
The Lenovo ThinkStation Mini desktop pairs a 14th Gen i9-14900 processor with 24 cores and 32 threads with an NVIDIA T400 GPU that adds 4GB of GDDR6 memory. It ships with 8GB of DDR5 SO-DIMM memory and a 2TB PCIe NVMe SSD, all driven by a 300W power supply inside a 7 by 7.25 by 1.5 inch chassis that weighs 3.1lb. Windows 11 Home is pre-installed.
Dual graphics and connectivity bundle
The T400 card supplies one full-size DisplayPort and three mini-DisplayPort outputs alongside the system HDMI port, enabling up to four simultaneous displays without adapters. A USB 3.2 Type-C port and a headphone/microphone combo jack sit on the front, while WiFi 6 and Bluetooth 5.3 handle wireless links and an RJ-45 jack provides wired networking. A USB keyboard and mouse are included in the box.
Power and memory ceiling limits
The 300W internal supply caps total system draw, so the i9-14900 cannot sustain its 5.8GHz turbo across all 24 cores indefinitely under heavy compute loads. Only a single SO-DIMM slot is populated with 8GB of DDR5, leaving no room for expansion without replacing the module. The mini form factor also prevents the addition of a second graphics card or extra internal storage bays.
Highlights
- 24 cores and 32 threads handle heavy workloads with the i9-14900 up to 5.8 GHz
- NVIDIA T400 4 GB GDDR6 gives dedicated graphics power for professional apps
- 8 GB DDR5 memory provides fast data access for multitasking
- 2 TB PCIe NVMe SSD stores large projects and boots quickly
- WiFi 6 and Bluetooth 5.3 plus RJ-45 keep connections stable and fast
Specifications
| Brand | Lenovo |
|---|---|
| Model | ThinkStation |
| Type | Business & Home Office |
| Form Factor | Mini PC |
| Power Supply | 300W |
| Monitor | Monitor not included |
| Operating System | Windows 11 Home |
| L3 Cache Per CPU | 36MB Cache |
| GPU/VGA Type | NVIDIA T400 |
| Graphics Interface | PCI Express x16 |
| Memory Capacity | 8GB DDR5 |
| SSD | 2 TB |
| HDD | No |
| Optical Drive Type | No Optical Drive |
| Screen Size | No Screen |
| WLAN | 802.11ax |
| Bluetooth | Bluetooth 5.3 |
| Card Reader | No |
| RJ45 | Yes |
| Keyboard Type | USB Keyboard |
Questions about this item
Will the 8 GB DDR5 SO-DIMM need upgrading for heavier workloads?
The system ships with a single 8 GB DDR5 SO-DIMM; adding a second module enables dual-channel bandwidth and raises total capacity for memory-intensive tasks.
What limits the i9-14900 during prolonged all-core loads?
The 300 W power supply and compact 1.5-inch chassis constrain sustained turbo clocks, so the 24-core CPU will throttle before thermal limits are reached.
How loud and hot does the mini PC get when running all day?
The small 7 × 7.25 × 1.5 in case and 300 W PSU mean fan speeds rise noticeably under continuous load, producing audible airflow and warm exhaust.
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