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GMKtec G3S Desktop Computer

GMKtec G3S Desktop Computer

By GMKtec · Desktop Computers · Phones & Computers · More from GMKtec

  • Intel Processor N95 4C/4T up to 3.4 GHz
  • 8GB DDR4 RAM (up to 16GB)
  • 2x M.2 SSD slots (up to 8TB+1TB)
  • Dual HDMI 4K@60Hz
  • Wi-Fi 5 + BT 5.0 + Gigabit Ethernet

Lowest price seen
$219.99
from $219.99 at AliExpress · Checked Oct 28, 2026

New
Used, refurbished, open-box

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Problems, parts and running costs

Summary

The GMKtec NucBox G3S is an entry-level mini PC built around Intel’s quad-core Processor N95, aimed at light office work, media playback and digital signage. Check the single RAM slot and Wi-Fi 5 before buying: memory tops out at 16 GB in one channel and the wireless controller is capped at 433.3 Mbps.

Strengths

  • Extremely small footprint (114 × 106 × 44 mm, about 260 g) that mounts behind a monitor with the included VESA bracket.
  • Low power draw from a 12 V / 3 A adapter keeps running costs down.
  • Dual HDMI outputs both run 4K at 60 Hz for a two-monitor desk.
  • Windows 11 Pro is included, not a Home edition.
  • Warranty terms improved for orders placed on or after 2026-10-01: 1 year on the whole unit plus 2 years of component replacement.

Weaknesses

  • The Intel Processor N95 is an entry-level part; it is not suited to heavy gaming or video editing.
  • One SO-DIMM slot caps memory at 16 GB and rules out dual-channel operation.
  • Wi-Fi 5 tops out at 433.3 Mbps and uses the Realtek RTL8821CE controller.
  • No independent instrumented review of this exact model was found, so thermal and acoustic behavior are undocumented.
  • Factory RAM/SSD and power-plug variants were shown as sold out or unavailable at the time of check.
  • Returns are tight: 7 days for unopened items bought direct, with a 15% restocking fee for opened items.

Verified specifications

ModelGMKtec NucBox G3S (Intel Alder Lake N95).
ProcessorIntel Processor N95, quad-core, four threads, up to 3.4 GHz, 6 MB cache.
GraphicsIntel UHD Graphics with 16 execution units, up to 1.2 GHz.
Memoryone SO-DIMM slot, 8 GB or 16 GB pre-installed, 16 GB maximum.
Storagetwo M.2 slots — M.2 2280 up to 8 TB plus M.2 2242 up to 1 TB (2 TB per marketing copy).
Videodual HDMI, up to 4K at 60 Hz.
NetworkWi-Fi 5 (802.11 a/b/g/n/ac, up to 433.3 Mbps), Bluetooth 5.0, Gigabit Ethernet.
Ports3 USB 3.2 Gen2, 1 USB 2.0, 2 HDMI, 3.5 mm audio, RJ45, DC in, Kensington lock.
Power12 V / 3 A adapter; built-in coin cell.
Languages14, default English.
Working temperature0 °C to 40 °C.
CertificationsCCC, CE, FCC, RoHS, MIC, CEC, China Energy Label, UL Report.
Dimensions114 × 106 × 44 mm; about 260 g.
Chassis colorsspec table lists Yadan Black; storefront variants Titanium Grey and Green.
In the boxuser manual, warranty card, power adapter, VESA mount bracket, HDMI cable.
Warranty1 year on the whole unit; orders on or after 2026-10-01 add 2 years of component replacement coverage (RAM, SSD, power adapter).
Full research notes and sources

Performance and upgrade limits

The N95 handles everyday tasks, 4K media playback and light browsing, but not sustained heavy workloads. The single SO-DIMM slot is the main upgrade ceiling: 16 GB maximum in one channel. Storage is the generous side, with a 2280 slot rated up to 8 TB and a 2242 slot rated to 1 TB in the spec table and 2 TB in the marketing copy; plan on the lower figure. No measured temperatures, acoustic levels or sustained-load benchmarks for this exact unit were published, so treat the specifications as the only published evidence.

Warranty and returns

Orders placed on or after 2026-10-01 get 1 year on the whole unit plus 2 years of replacement coverage for RAM, SSD and the power adapter; earlier orders get 1 year. Warranty service requires a Warranty Service Order within the warranty period, proof of purchase and shipping the device back, with a $35 shipping deduction noted for free-shipping orders. Returns are limited to 7 days for unopened items bought direct from GMKtec; opened or used items carry a 15% restocking fee and no return is accepted after 15 days. Exclusions include misuse, unauthorized repair, commercial use, modification and improper voltage.

Is it worth it?

At $249.99 manufacturer-direct, the G3S competes in the budget N95 mini PC tier. Value rests on the dual M.2 slots, dual 4K HDMI, Windows 11 Pro inclusion and compact size; limits are the single RAM slot, Wi-Fi 5 and entry-level CPU. The 1+2 year warranty for orders on or after 2026-10-01 improves ownership prospects against the prior 1-year-only terms. Whether it beats comparable N95 or N100 units depends on retail pricing that could not be verified here, since Newegg and Micro Center pages were inaccessible during research.

Which model this is

This page covers the GMKtec NucBox G3S, built on the Intel Processor N95. Do not confuse it with the GMKtec G3 Pro (Intel Core i3-10110U), G3 Plus (Intel N150), G3 Ultra (Intel Pentium Gold 7505) or older G3 (Intel N100/Pentium) models. GMKtec is Shenzhen GMK Technology Co., Ltd., founded in 2019.

Sources

Manufacturer:

Independent reviews:

  • No independent instrumented review of this exact model was found.

Owner reports:

  • No exact-model owner reports were found.

Manuals and guides:

Buying guides for this category

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