Computers / Desktop PCs
GMKtecMini PC desktop PC
NucBox M5 Ultra
Released September 2025.3Maker product pagede.gmktec.com/en/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730uRead 15 October 2026The maker's EU store product feed shows the page created 2025-09-18 and published the same day. ITHome says the maker announced the product on 19 September 2025 and sales started on 25 September 2025. Last checked 15 October 2026.
- Form factor
- Mini PC
- Processor
- AMD Ryzen 7 7730U
- GPU
- AMD Radeon Graphics
- RAM
- 32GB
65 of 160 fields known.
At a glance
Ports
- USB-C USB 3.2 Gen 2 with DisplayPort Alt Mode and Power Delivery
- 2 USB-A USB 3.2 Gen 2
- 3.5 mm audio CTIA headset jack
- 2 USB-A USB 2.0
- HDMI 2.0
- DisplayPort 1.4
- 2 Ethernet (RJ45) 2.5 Gigabit Ethernet
- DC in 19 V barrel input (5.5/2.5 mm)
General
- Model numbers
- M5 ULTRA-0-44S, M5 ULTRA-0-44U, M5 ULTRA-0-44K, M5 ULTRA-0-44A2Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pc.jsonRead 15 October 2026The maker's Shopify product feed lists SKUs M5 ULTRA-0-44S (US), -44U (EU), -44K (UK) and -44A (AU) for the 32GB RAM + 1TB SSD variant. The EU store uses the SKU M5 ULTRA-0-44U-EU2 for the same variant. The barebone SKUs end in -00 and the 16GB + 512GB SKUs end in -33.
- GTIN / EAN
- Not available
- Announced
- 19 September 20254Press articleithome.com/0/884/580.htmRead 15 October 2026Published 2025-09-21. It says GMK announced the NucBox M5 Ultra on 19 September.
- Predecessor
- Not available
- Successor
- Not available
- Launch price (US)
- Not available
- Launch price (EU)
- Not available
- Markets
- US, EU, GB, AU2Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pc.jsonRead 15 October 2026The four power plug variants are US, EU, UK and AU.3Maker product pagede.gmktec.com/en/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730uRead 15 October 2026The EU store sells the same model with the EU plug.
- Colours
- Not available
Case
Front and side, drawn to scale.
- Case dimensions
- Width128.8Height47.8Depth127mm(5.1 × 1.9 × 5 in)1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026Chassis dimensions 128.8 x 127 x 47.8 mm. The page does not say whether feet are included.7Retailer pageldlc.pro/fiche/PB00707681.htmlRead 15 October 2026Width 128.8 mm, height 47.8 mm, depth 127 mm.
- Case volume
- Not available
- Weight
- 0.528kg(1.2 lb)1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026Weight 528g, listed as approximately 528g. The configuration is not stated. Starry Hope calls 0.53 kg the barebones weight, so the weight with RAM and SSD may be higher.8Spec databasestarryhope.com/minipcs/models/gmktec-nucbox-m5-ultraRead 15 October 20261.16 lbs (0.53 kg), described as the barebones weight.
- Case model
- Not available
- Case materials
- Plastic6Reviewtechradar.com/computing/gmktec-nucbox-m5-ultra-mini-pc-reviewRead 15 October 2026The review says the case is entirely built from plastic.
- Side panel
- Not available
- Front panel
- Not available
- Tool-less side panel
- Not available
- Dust filters
- Not available
- VESA mount
- Not available
Display
We could not find any of these 6 fields. Show them
- Screen size
- Not available
- Native resolution
- Not available
- Panel type
- Not available
- Max refresh rate
- Not available
- Touchscreen
- Not available
- Brightness (SDR, claimed)
- Not available
Motherboard
- Motherboard
- Not available
- Chipset
- Not available
- Motherboard form factor
- Not available
- Expansion slots
- Not available
- PCIe x16 slots
- Not available
- Free expansion slots
- Not available
- Fan headers
- Not available
- Overclocking in BIOS
- Not available
Processor
- Processor brand
- AMD5Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-7-7730u.htmlRead 15 October 2026
- Processor codename
- Barcelo-R5Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-7-7730u.htmlRead 15 October 2026Former codename Barcelo R. Architecture Zen 3.
- Core configuration
Core type Count Core Base clock (GHz) Max core turbo clock (GHz) Performance 8 Zen 3 2 4.5 Source1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 20268 cores, base 2.0 GHz, boost up to 4.5 GHz. All cores are Zen 3 cores of one type.5Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-7-7730u.htmlRead 15 October 20268 cores, base 2 GHz, up to 4.5 GHz boost.- CPU cores
- 8
- Performance cores
- 8
- Efficiency cores
- 0
- Threads
- 161Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 20265Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-7-7730u.htmlRead 15 October 2026
- Max core turbo clock
- 4.5GHz
- L3 cache
- 16MB1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 20264MB L2 and 16MB L3 cache.5Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-7-7730u.htmlRead 15 October 2026L3 16 MB. L2 is 4 MB.
- CPU core process node
- 7nm1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026TSMC 7nm FinFET.5Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-7-7730u.htmlRead 15 October 2026TSMC 7nm FinFET.
- CPU base power (chip rating)
- 15W5Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-7-7730u.htmlRead 15 October 2026Default TDP 15 W. The PC maker's configured peak is 35 W.
- Peak CPU power (configured)
- 35W1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026Performance modes: Silent 10W, Balanced 15W and Performance 35W. Peak power is listed as 35W.
- Unlocked multiplier
- No5Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-7-7730u.htmlRead 15 October 2026Unlocked for overclocking: No.
- NPU performance
- Not available
Cooling
- CPU cooler model
- Not available
- Radiator size
- Not available
- Radiator position
- Not available
- Case fans
Position Fan rotors Top 1 Source1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026The maker lists a dual-fan design. One fan is the CPU cooler fan. TechRadar's teardown describes a second fan under the top plate that blows air over the memory and SSD. Only that fan is stored, because standalone CPU cooler fans are not counted. Its size is not stated.6Reviewtechradar.com/computing/gmktec-nucbox-m5-ultra-mini-pc-reviewRead 15 October 2026Taking off the top reveals four screws that hold a plastic fan mount blowing air on the system. The fan's size is not stated.- Number of case fans
- 1
Graphics
- Discrete GPU
- No1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026
- GPU
- Not available
- GPU brand
- Not available
- Graphics card
- Not available
- VRAM
- Not available
- VRAM type
- Not available
- GPU board power
- Not available
- GPU boost clock
- Not available
- Graphics card length
- Not available
- Graphics card thickness
- Not available
- GPU power connector
- Not available
Memory
- RAM
- 32GB6Reviewtechradar.com/computing/gmktec-nucbox-m5-ultra-mini-pc-reviewRead 15 October 2026Review sample: 32GB DDR4-3200 (16GB x 2).8Spec databasestarryhope.com/minipcs/models/gmktec-nucbox-m5-ultraRead 15 October 2026The 32GB / 1TB version lists 32 GB DDR4 SO-DIMM, 2-channel (2x16GB DDR4-3200).
- Configured RAM speed
- 3,200MT/s1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026DDR4-3200.
- Rated kit speed
- Not available
- Memory kit
- Not available
- Memory slots
Slot Count Occupied Module size (GB) SO-DIMM 2 Yes 16 Source1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 20262 x SO-DIMM slots. The 32GB RAM + 1TB SSD variant is stored as 2 x 16 GB, as TechRadar's review unit and Starry Hope's listing show. The maker sells barebone, 16GB + 512GB and 32GB + 1TB variants. Only the 32GB + 1TB variant is stored.6Reviewtechradar.com/computing/gmktec-nucbox-m5-ultra-mini-pc-reviewRead 15 October 2026Two SODIMM slots for DDR4, occupied by two 16GB modules on the review unit. The Ryzen 7 7730U addresses up to 64GB.- RAM slots
- 2
- Free RAM slots
- 0
- Max RAM for this CPU and GPU
- 64GB1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026Maximum memory: up to 64GB (32GB x 2).
- ECC memory
- Not available
Storage
- Storage
- 1TB
- Installed drives
Capacity (GB) Type PCIe generation 1,000 NVMe SSD 3 Source6Reviewtechradar.com/computing/gmktec-nucbox-m5-ultra-mini-pc-reviewRead 15 October 2026Review sample: 1TB M.2 2280 PCIe Gen 3 SSD. The drive maker and model are not stated. Stored as 1000 decimal GB.8Spec databasestarryhope.com/minipcs/models/gmktec-nucbox-m5-ultraRead 15 October 2026The 32GB / 1TB version lists a 1 TB NVMe SSD.- Storage slots and bays
Form factor Interface PCIe generation PCIe lanes Count Occupied M.2 2280 PCIe NVMe 3 4 1 Yes M.2 2280 PCIe NVMe 3 4 1 No Source1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 20262 x M.2 2280 slots. Slot 1 takes SATA or PCIe 3.0 x4 and slot 2 takes PCIe 3.0 x4. Up to 8TB per SSD. One slot is stored as occupied, because the system has one SSD. The page does not say which slot holds it. The page lists a 512GB SSD pre-installed, which fits the 16GB + 512GB variant.6Reviewtechradar.com/computing/gmktec-nucbox-m5-ultra-mini-pc-reviewRead 15 October 2026Two M.2 slots, both only PCIe Gen 3. The review unit has one unused 2280 NVMe slot.- M.2 slots
- 2
- Free M.2 slots
- 1
- Free drive bays
- 0
- Fastest storage-slot PCIe generation
- 3
Power supply
- PSU rated output
- 65W1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026Power: DC 19V / 3.42A. This is 65 W when rounded and TechRadar lists it as 65W. The USB-C port is also listed with a 100W PD input.6Reviewtechradar.com/computing/gmktec-nucbox-m5-ultra-mini-pc-reviewRead 15 October 2026Spec table: PSU 19V 3.42A 65W.
- PSU form factor
- External adapter1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026External adapter. The package list names a power adapter.
- PSU efficiency
- Not available
- Modular cables
- Not available
- PSU model
- Not available
- ATX version
- Not available
- Native 12V-2x6 cable
- Not available
Ports
- User-facing I/O position
- Front6Reviewtechradar.com/computing/gmktec-nucbox-m5-ultra-mini-pc-reviewRead 15 October 2026Design section: the USB ports are liberally distributed with Type-A and Type-C on the front.
- User-facing ports
Type Version Count Max stated link rate (Gbps) USB-C USB 3.2 Gen 2 with DisplayPort Alt Mode and Power Delivery 1 10 USB-A USB 3.2 Gen 2 2 10 3.5 mm audio CTIA headset jack 1 Not available Source1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026The page lists 2 x USB 3.2 Gen 2 Type-A (10Gbps), 1 x USB-C with USB 3.2 Gen 2 10Gbps and 100W PD input and DisplayPort Alt Mode (4K@60Hz), and a 3.5mm CTIA audio jack. Which ports are on the front comes from the maker's photo, TechRadar and Starry Hope.6Reviewtechradar.com/computing/gmktec-nucbox-m5-ultra-mini-pc-reviewRead 15 October 2026Design section: both Type-A and Type-C ports are on the front, all USB 3.2 Gen 2 ports are on the front, and there is one USB-C port.7Retailer pageldlc.pro/fiche/PB00707681.htmlRead 15 October 2026Front: 3.5mm jack, 2 x USB 3.1 and 1 x USB 3.1 Type C.8Spec databasestarryhope.com/minipcs/models/gmktec-nucbox-m5-ultraRead 15 October 2026Front: USB-C (USB 3.2 Gen 2, Power Delivery, DisplayPort Alt Mode), two USB-A 3.2 Gen 2 and a headphone-microphone combo jack.- Rear ports
Type Version Count Max stated link rate (Gbps) Connected to USB-A USB 2.0 2 0.48 Motherboard HDMI 2.0 1 Not available Motherboard DisplayPort 1.4 1 Not available Motherboard Ethernet (RJ45) 2.5 Gigabit Ethernet 2 2.5 Motherboard DC in 19 V barrel input (5.5/2.5 mm) 1 Not available Motherboard Source1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026The page lists 2 x USB 2.0 (480Mbps), 1 x HDMI 2.0 (4K@60Hz), 1 x DisplayPort 1.4 (up to 8K@60Hz), 2 x 2.5G RJ45 and a DC IN (5.5/2.5mm). The rear layout comes from the maker's photo and Starry Hope. The Kensington lock slot, reset button and power button are not ports.6Reviewtechradar.com/computing/gmktec-nucbox-m5-ultra-mini-pc-reviewRead 15 October 2026Design section: two USB 2.0 ports, one HDMI and one DisplayPort, and dual 2.5GbE LAN ports on the rear. The review calls the case VESA mountable.7Retailer pageldlc.pro/fiche/PB00707681.htmlRead 15 October 2026Rear: 1 DisplayPort, 1 HDMI, 2 x USB 2.0 and 2 x RJ45.8Spec databasestarryhope.com/minipcs/models/gmktec-nucbox-m5-ultraRead 15 October 2026Rear: full-size HDMI, DisplayPort, two USB 2.0, two 2.5 Gigabit RJ45, a Kensington lock slot and the DC input.- User-facing USB ports
- 3
- User-facing USB-C ports
- 1
- Rear USB ports
- 2
- Thunderbolt
- Not available
- Ethernet speed
- 2.5Gbps
- Discrete GPU output ports
- 0
Wireless
- Wi-Fi
- Wi-Fi 6E1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026Wi-Fi 6E, AMD RZ616, up to 2.4Gbps. Bands are not listed.7Retailer pageldlc.pro/fiche/PB00707681.htmlRead 15 October 2026Wi-Fi 6E.
- Wi-Fi bands
- Not available
- Wi-Fi module
- AMD RZ6161Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026Wi-Fi 6E, AMD RZ616. ITHome says RZ616 is the MediaTek Filogic 330, also known as MT7922.4Press articleithome.com/0/884/580.htmRead 15 October 2026AMD RZ616 is the MediaTek Filogic 330, also called MT7922.
- Wi-Fi antenna
- Not available
Camera and audio
We could not find any of these 5 fields. Show them
- Webcam
- Not available
- Built-in speaker drivers
- Not available
- Total speaker power
- Not available
- Microphones
- Not available
- Audio features
- Not available
Lighting
We could not find any of these 4 fields. Show them
- RGB lighting
- Not available
- Lit parts
- Not available
- Lighting standard
- Not available
- Lighting software
- Not available
Software
- Operating system
- Windows 11 Pro1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026Windows 11 Pro. The barebone variant has no operating system.
- OS family
- Windows1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026
- Control software
- Not available
Upgradeability
We could not find any of these 4 fields. Show them
- Proprietary parts
- Not available
- Max graphics card length
- Not available
- Max CPU cooler height
- Not available
- Warranty kept after upgrade
- Not available
Measured performance
We could not find any of these 8 fields. Show them
- Cinebench 2024 single-core
- Not available
- Cinebench 2024 multi-core
- Not available
- Geekbench single-core
- Not available
- Geekbench multi-core
- Not available
- 3DMark Time Spy graphics
- Not available
- 3DMark Steel Nomad
- Not available
- SSD sequential read (measured)
- Not available
- Game frame rates
- Not available
Measured noise and temperature
We could not find any of these 6 fields. Show them
- Fan noise per load
- Not available
- Highest measured fan noise
- Not available
- Measured fan noise at idle
- Not available
- CPU temperature in stress test
- Not available
- CPU clock in stress test
- Not available
- GPU temperature while gaming
- Not available
Measured power
We could not find any of these 6 fields. Show them
- Power draw idle
- Not available
- Power draw gaming
- Not available
- Power draw max
- Not available
- Power draw sleep or off
- Not available
- Sustained CPU power (measured)
- Not available
- GPU power while gaming (measured)
- Not available
Certifications
We could not find any of these 5 fields. Show them
- ENERGY STAR
- Not available
- EPEAT
- Not available
- Copilot+ PC
- Not available
- Typical annual energy consumption (TEC)
- Not available
- Other certifications
- Not available
In the box
- In the box
- User Manual, Warranty Card, Power Adapter, VESA Mount Bracket, HDMI Cable1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026Packaging list: User Manual, Warranty Card, Power Adapter, VESA Mount Bracket, HDMI Cable.8Spec databasestarryhope.com/minipcs/models/gmktec-nucbox-m5-ultraRead 15 October 2026Mini PC, power adapter, HDMI cable, VESA mount with screws and user manual.
Warranty
- Manufacturer warranty (source market)
- 1year1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026
- Warranty service
- Not available
Links
- Product page
- www.gmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pc1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026
- Spec sheet
- Not available
- Manual
- Not available
- EPREL registration number
- Not available
Compare with
Pick a desktop PC to see both side by side. Differences are marked yellow.
Variants
Each variant lists only what differs from the specs above.
| Model number | Markets |
|---|---|
| M5 ULTRA-0-44S | US |
| M5 ULTRA-0-44U | EU |
| M5 ULTRA-0-44K | GB |
| M5 ULTRA-0-44A | AU |
Sources
We read 8 sources for this desktop PC. The numbers match the markers in the sheet.
- Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pc
- Maker product pagede.gmktec.com/en/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u
- Press articleithome.com/0/884/580.htm
- Retailer pageldlc.pro/fiche/PB00707681.html
- Spec databasestarryhope.com/minipcs/models/gmktec-nucbox-m5-ultra
See a wrong value? Tell us and name the field.