GMKtec NucBox K11

Updated on June 20, 2026

The GMKtec NucBox K11 is a high-end compact PC built on the AMD Ryzen 9 8945HS (eight cores, 16 threads, up to 5.20 GHz), suited to video editing, 3D rendering, and gaming. It ships with 32GB of DDR5 (expandable to 96GB) and a 1TB PCIe 4.0 NVMe SSD in one of two M.2 slots, paired with the Radeon 780M for integrated graphics.

For a 5.2 x 5 x 2.3 inch box the connectivity is unusually complete: two USB4 ports, dual 2.5Gbps Ethernet, Wi-Fi 6, Bluetooth 5.2, HDMI, and a DisplayPort 2.1 that drives up to 8K at 60Hz. Its real differentiator is a front OCuLink port, which lets you attach an external GPU for near-desktop graphics, a feature most mini PCs at this price lack.

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GMKtec NucBox K11 Comparison Chart

	GMKtec NucBox K11	GMKtec NucBox K11
Price	List Price: $799.99 Amazon Prices: Loading prices...	List Price: $999.99 Amazon Prices: Loading prices...
Version	32GB/1TB/Ryzen 9 8945HS	32GB/2TB/Ryzen 9 8945HS
Performance Rating	9.2	9.2
Operating System	Windows 11 Pro	Windows 11 Pro
Processor	Octa-core 4.00 Ghz (max 5.20 Ghz) AMD Ryzen 9 8945HS	Octa-core 4.00 Ghz (max 5.20 Ghz) AMD Ryzen 9 8945HS
GPU	Integrated AMD Radeon 780M	Integrated AMD Radeon 780M
RAM	32 GB	32 GB
Internal Storage	1 TB	2 TB
Dimensions width x length x thickness	5.2 x 5 x 2.3 inches (132.08 x 127 x 58.42 mm)	5.2 x 5 x 2.3 inches (132.08 x 127 x 58.42 mm)
Weight	unknown	unknown
WiFi	Wi-Fi 6 (802.11ax)	Wi-Fi 6 (802.11ax)
Bluetooth	Bluetooth 5.2	Bluetooth 5.2
Ethernet	2 Ethernet ports at 2.5 Gbps	2 Ethernet ports at 2.5 Gbps
HDMI	1 Full-Size HDMI Port	1 Full-Size HDMI Port
DisplayPort	1 DisplayPort (DisplayPort 2.1 supports 8K@60Hz)	1 DisplayPort (DisplayPort 2.1 supports 8K@60Hz)
VGA	No VGA Ports	No VGA Ports
USB Ports	2 USB 2.0, 2 USB 3, 2 USB 4, 2 USB-C (USB 4.0 ports support PD, data, audio, and video)	2 USB 2.0, 2 USB 3, 2 USB 4, 2 USB-C (USB 4.0 ports support PD, data, audio, and video)
Thunderbolt Ports	No	No
OCuLink	Front OCuLink port (PCIe 4.0 x4) for external GPU	Front OCuLink port (PCIe 4.0 x4) for external GPU
Internal SATA Ports	No SATA ports	No SATA ports
Card Reader	No Card Reader	No Card Reader
Headphone Jack	combo	combo
Fanless	No	No
VESA Mount	No	No
In the Box	Mini PC, power adapter, user manual	Mini PC, power adapter, user manual
Expandability	Supports up to 96GB DDR5 RAM and 8TB PCIe 4.0 SSD	Supports up to 96GB DDR5 RAM and 8TB PCIe 4.0 SSD

Detailed Overview of the GMKtec NucBox K11

The GMKtec NucBox K11 combines a compact chassis with high-end hardware. The AMD Ryzen 9 8945HS at its core has eight cores and 16 threads, with a 4.00 GHz base and a 5.20 GHz boost, and NotebookCheck measured it holding a 4.0 GHz all-core clock under stress with no notable throttling. That makes the K11 capable for video editing, software development, and 3D modeling. The integrated Radeon 780M handles 1080p gaming at reasonable settings, and reviewers measured it running up to 15% faster than other systems with the same GPU thanks to GMKtec's higher power budget.

It comes with 32GB of dual-channel DDR5 (expandable to 96GB) and a 1TB PCIe 4.0 NVMe SSD, with a second M.2 2280 slot for another drive (each slot takes up to 4TB, so up to 8TB total). On connectivity it has two USB4 ports (power delivery, data, audio, and video), dual 2.5Gbps Ethernet, Wi-Fi 6, and Bluetooth 5.2.

For display output, the K11 has an HDMI 2.1 port and a DisplayPort 2.1 that supports 8K at 60Hz, enough for high-resolution or multi-monitor setups. The feature that sets it apart, though, is the front OCuLink port (PCIe 4.0 x4): pair it with an external GPU dock and you get close to desktop graphics performance, which TechRadar called the K11's real differentiator. The trade-offs are the missing VESA mount and card reader.

Reviewer Insights on the GMKtec NucBox K11

Independent testing of the NucBox K11 is genuinely deep for a white-label mini PC, and the measured numbers line up well across outlets. The most thorough workup comes from Allen Ngo at NotebookCheck, who scored it 78 percent ("good"). On his test unit the Ryzen 9 8945HS drew 6.6 to 11.3 watts at idle and 76.8 to 88 watts under full load, while fan noise sat around 30 dB(A) at idle and reached 36.4 to 39 dB(A) under load against a 24 dB(A) ambient floor. Core temperatures held between 70 C and 76 C during a Prime95 plus FurMark stress run, with the CPU sustaining a 4.0 GHz all-core clock; Ngo wrote that "performance is consistent with no notable throttling issues." His benchmark suite logged 16,506 points in Cinebench R23 multi-core (1,814 single-core) and 13,228 in Geekbench 6.7 multi-core. On the graphics side he found the integrated Radeon 780M "performs very well at up to 15 percent faster than other PCs with the exact same GPU on average." His bottom line on the aging chip: "the Ryzen 9 8945HS may be a couple years old, but it still holds up well against pricier alternatives like the Core i9-13900HK or even the newer Core Ultra 9 185H."

Alastair Jennings at TechRadar rated the K11 4.6 out of 5 and reached very similar CPU figures, measuring 16,194 in the Cinebench multi-core test and SSD speeds of 5,181 MB/s read and 4,724 MB/s write on the bundled Crucial drive. His strongest result was graphics: "it was impressive to see that the Wild Life score hit a massive 19,371," which he called "an excellent result for a mid-range machine." Jennings singled out the front OCULINK port as the K11's real differentiator, noting that pairing it with an external GPU gives the machine "the performance of a midrange desktop."

Team Pandory's hands-on review by emuchicken adds the tinkerer's perspective. The reviewer documented the three selectable power modes ("quiet, balance, and performance modes, which alter the TDP from 35w, 54w, and 65w") and measured "36.2 dB in regular gaming," which the review describes as "pretty quiet," while flagging that performance mode pushes the fan past the chip's rated envelope. On the games side, "even Counter-Strike 2 at low settings hits a respectable 140 FPS," though Cyberpunk 2077 needed low settings and frame generation to stay playable. The one consistent complaint was wireless: with the stock Intel AX200 card, "we got a mere 67% Wi-Fi strength," and the reviewer suggests an Ethernet cable or a Wi-Fi card swap for anyone relying on the radio. Video coverage from trusted channels ETA PRIME and Robtech, both confirmed to be reviewing this exact Ryzen 9 8945HS unit, reaches the same broad conclusion: strong productivity and emulation performance, capable 1080p gaming, and an OCULINK port that sets it apart from most mini PCs in this price band.

For 2026 context, the Ryzen 9 8945HS is a Zen 4 ("Hawk Point") eight-core, sixteen-thread part that posts a PassMark CPU mark of roughly 29,870. That keeps it ahead of older Intel H-series chips and competitive with parts that still cost considerably more, which is why reviewers keep framing it as a value play rather than the newest option. The newer Zen 5 and Ryzen AI mobile chips have moved the ceiling higher, but for everyday productivity, content work, emulation, and light gaming, the measured numbers above show the K11 still delivers desktop-class throughput in a compact, upgradeable chassis.

Customer Reviews of the GMKtec NucBox K11

Treat the Amazon star rating with care here: the listing pools owner reviews across several GMKtec NucBox models (some reviewers are clearly describing the K6, K12, or other Ryzen 7 configurations rather than the Ryzen 9 8945HS K11), so the headline number reflects general GMKtec sentiment rather than a K11-specific score. Among reviews that do describe the 8945HS K11, the recurring complaints are about the chassis rather than performance.

Those complaints show up even in five-star writeups. Daniel DeCesare, a verified buyer who rated it five stars, still warned that the "Led on the top of the system doesnt turn off, couldn't find anything on how to" and that the "fans gets a little loud, i would place it on the back of your desk." Robtech's review independently confirms the top RGB "can't be turned off." A four-star verified reviewer named Filtered echoed both points, noting the "RGB fan on top is static (cannot adjust the light effect or even turn off)" and that "Temperature is quite high on factory thermal paste (can reach 91c on "Performance" mode)." So if a non-defeatable top light, audible fans under load, or warm thermals would bother you, those are the owner-reported friction points to weigh. On the positive side, multiple verified owners praised the compact metal build, the easy RAM and NVMe upgrade access, and quiet operation at idle.

Read more owner reviews on Amazon.

Conclusion: Who Should Consider the GMKtec NucBox K11?

The GMKtec NucBox K11 suits professionals, content creators, and enthusiasts who want a compact PC with real desktop-class throughput. The Ryzen 9 8945HS, expandable RAM, and dual M.2 slots cover video editing, 3D rendering, and software development, and the OCuLink port plus dual USB4 and dual 2.5GbE give it an I/O set few mini PCs in this price band match, including a path to an external GPU.

It is a weaker fit if you want fanless operation, a card reader, or a VESA mount (none are included), or if the non-defeatable top RGB and louder-under-load fans would bother you. Budget buyers will also find cheaper N100/N150 boxes for light work. For more options, see Starry Hope's Mini PC Comparison Tool.

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