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Small rectangular stick PC, matte black finish, HDMI connector on one end

BFKK

BFKK Fanless Mini PC Stick J4125 8GB 256GB Windows 11 Pro

SKU CH-VW43-ZWBTY

A fanless, pocket-sized Windows 11 Pro desktop with a Celeron J4125, 8 GB LPDDR4, 256 GB eMMC, dual-band Wi-Fi, Bluetooth 4.2 and Gigabit Ethernet for silent 4K media playback or always-on IoT tasks

  • Screen sizeNo Screen
  • Included monitorNot included
  • Product typeBusiness Desktops & Workstations
  • Fanless design runs silently and extends hardware lifespan
  • Intel Celeron J4125 quad-core up to 2.7 GHz handles office and media tasks
  • 8GB LPDDR4 memory with 256GB eMMC storage plus micro SD expansion up to 1TB
  • Dual-band 2.4G / 5.0G Wi-Fi, Bluetooth 4.2 and 1000Mbps LAN give stable wired and wireless connectivity
  • Intel UHD Graphics 600 with HDMI 2.0 decodes 4K video smoothly for streaming and local playback

Fanless Mini PC Stick J4125

The BFKK Mini PC Stick J4125 is a fanless desktop computer that plugs directly into an HDMI port. It runs Windows 11 Pro on a Gemini Lake Celeron J4125 quad-core processor with 8GB LPDDR4 memory and 256GB eMMC storage. The fanless heat dissipation design operates silently and targets reliable 7x24 operation for office, media and IoT scenarios.

HDMI 2.0 4K Output Dual Band Wi-Fi Gigabit Ethernet

The stick connects to a display through an HDMI 2.0 port for 4K video playback at 600 graphics performance. Dual band 2.4G and 5.0G Wi-Fi with Bluetooth 4.2 and an external antenna join a 1000Mbps LAN port for wired or wireless networking. Two USB 3.0 ports accept peripherals while a micro SD slot supports up to 1TB expansion. No monitor is included.

Buyers Needing Silent Compact Windows Device

This unit suits buyers who need a silent, portable Windows 11 Pro device for web browsing, office tasks, 4K streaming and light industrial use. It does not suit users who require HDR video support, discrete graphics performance, larger internal storage beyond 256GB eMMC plus micro SD, or a cooling fan for sustained heavy workloads.

How it compares

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

Price $414.99
Cheaper than about 57% of the 14,711 comparable items (median $494.99).

Specifications

Product
Product typeBusiness Desktops & Workstations
Display
Screen sizeNo Screen
In the box
Included monitorNot included

Questions about this item

Does the 2.7 GHz J4125 throttle under continuous load because there is no fan?

The fanless heat-sink design is built for 7×24 operation; it runs silently and stays within thermal limits without active cooling.

How much heat and noise does the stick produce when left on all day?

With no moving parts the unit is completely silent and the passive cooler keeps surface temperatures low during constant use.

What display and peripherals do I need to start using the stick?

Connect any monitor or TV with an HDMI 2.0 port, add a USB keyboard and mouse, and the Windows 11 Pro system is ready.

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