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Overview

GMKtec Nucbox M5S mini PC runs on AMD Ryzen 3 5400U (7nm, up to 4.0GHz) with Radeon graphics, great for office multitasking, video calls & light retro/indie gaming. It has 16GB DDR4 RAM (expandable to 128GB), 512GB PCIe 3.0 SSD and dual storage expansion. Featuring dual 2.5G LAN, triple display, Wi‑Fi 6E & BT5.2, it delivers stable low‑latency networking for work, servers and entertainment, with rich I/O ports and a 1-year limited GMKtec warranty.

GMKtec M5S Mini Gaming PC, AMD Ryzen 5400U 16GB RAM 512GB SSDDual NIC LAN 2.5GbE Mini Computers, Triple 4K Display, USB-C, WiFi 6E, DP, HDMI, Type-C Business Office

Model: M5S
Web Code: 20181524
Sold and shipped by | 4.8 seller rating (25 reviews)

Available for deliveryAvailable online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

Seller Return Policy

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Warranty Information

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

What's included:

  • 1 x GMKtec Nucbox M5S AMD Ryzen 3 5400U Mini PC, 1 x Power Adapter, 1 x VESA Mount with Screws, 1 x HDMI Cable, 1 x User Manual

• MINI PC FOR OFFICE BUSINESS - Powered by the AMD Ryzen 3 5400U processor—built on TSMC's advanced 7nm process—this mini PC delivers a guaranteed 2.6GHz base clock and Turbo boost up to 4.0GHz with 8 threads via SMT/Hyperthreading, effortlessly handling daily office tasks like spreadsheets, presentations, video conferencing, and multitasking across dozens of browser tabs. Meanwhile, its ultra-low power architecture significantly reduces electricity consumption, helping your business save on energy costs month after month while running cool and silent—perfect for all-day operations in any office environment.

• GAMING PC MINI DESKTOP - Equipped with AMD Radeon Graphics featuring 6 cores running at 1600MHz, this mini PC delivers surprisingly capable visual performance for lightweight and retro gaming—enjoy classic console emulations via Batocera, indie titles, and older Steam favorites without needing a bulky gaming rig.

• 16GB DDR4 RAM & 512GB PCIe SSD - Installed with DDR4 16GB RAM SO-DIMM (1x16GB), the Nucbox M5S mini pc support expansion to 128GB RAM. Featured with 512GB M.2 2280 PCIe 3.0 SSD, support dual slot expansion to PCIe 4.0 8TB SSD. (Upgrades not included)

• DUAL NIC LAN 2.5G RJ45 - Fast Network Speeds: Enjoy up to 2500Mbps data transmission speed without worrying about lagging. Ideal for working, gaming, and surfing the internet. Great for Untangle, Pfsense or as a server office PC

TRIPLE 4K DISPLAY - Unlock unparalleled productivity with support for three simultaneous displays, including a stunning 8K@60Hz via USB4, plus 4K@60Hz through both HDMI 2.0 and DisplayPort, transforming your workspace into a command center for multitasking and immersive entertainment

• FAST INTERNET WiFi 6E + BT5.2 CONNECTION - Experience next-generation WiFi 6E for ultra-fast, low-latency internet on 2.5G/5G bands, paired with Bluetooth 5.2 for instant peripheral connections. BT5.2 allowing you more quickly to connect other wireless devices (headset, mouse, keyboard, etc.) Interface features 2*USB3.2 (Gen2) ports, 2*USB2.0 ports, 1*HDMI 2.0 port(4K@60Hz), 1*DP Port, 1*USB Type-C port ((USB 3.2 Gen2 10Gbps，PD 100W, Video 4K@60Hz)),1*Audio 3.5mm (HP&MIC), 1*DC Power Port

• GMKTEC WARRANTY - GMKtec offers a 1-year limited warranty for each mini PC, starting from the date of the purchase. All defects due to design and workmanship are covered. With a professional after sales team always ready to attend to your needs, you can simply relax and enjoy your mini PC.

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping may be available on orders over a minimum amount (before taxes, fees, and promo codes). Shipping charges may vary based on item size and your shipping address. Want a shipping charge estimate? Simply add an item to your cart, then access the cart and enter your postal code in the shipping estimate section.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • British Columbia (Remote)
  • Alberta (Remote)
  • Saskatchewan (Remote)
  • Manitoba (Remote)
  • Quebec (Remote)
  • New Brunswick (Remote)
  • Nova Scotia (Remote)
  • Prince Edward Island (Remote)
  • Newfoundland and Labrador (Remote)
  • Yukon
  • Northwest Territories
  • Nunavut
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
See our return policy to find specific return information for this product and steps on how to return by mail.