GMKtec Mini Desktop Computer, M3 Intel Core i5 12450H (8C/12T, up to 4.40GHz) Windows 11 Pro Mini PC 16GB DDR4 (8GB*2) 512GB SSD, 2X HDMI 4K, 4X USB 3.2, USB-C, WiFi 6, BT 5.2, RJ45 2.5G Black
Original price was: $399.98.$306.99Current price is: $306.99.
Price: $399.98 - $306.99
(as of Jan 03, 2025 07:03:34 UTC – Details)
Product Description
NEW GLOSSY BLACK INTEL CORE i5-12450H MINI PC DESKTOP COMPUTER
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GMKtec M3 Intel Core i5-12450H Mini PC Product Overview. Click below and enjoy!
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GMKtec Nucbox M3 Intel Core i5-12450H Specification
CPU 12th Generation Intel Core i5-12450H (3.30 to 4.40GHz Turbo Boost, 8C/12T, 12 MB L3 Cache) Graphics Intel UHD Graphics 1.20 GHz RAM 16GB (Dual Channel 2*8GB DDR4 3200 MT/s SO-DIMM*2) ROM 512GB PCIe 3.0 M.2 2280 SSD (Read: 3000MB/S & Write: 2500MB/S) OS Pre-installed Win 11 Pro (Compatible with Win10, Ubuntu, Linux) Wireless LAN WiFi 6(802.11ax), Bluetooth 5.2, Intel i226V Ethernet 2500Mbps RJ45 Video output 3 Display Output, Dual HDMI 2.0 (4K@60Hz) + Type-C DP Memory Expansion Dual SO-DIMM DDR4 3200 MHz Slots. Dual Channel MAX. 64GB Storage Expansion M.2 2280 SSD (Max. 2TB) / M.2 2242 SATA (Max. 2TB) Other Functions Wake ON Lan, Auto Power ON, Performance Settings lnterface 1 x Power Button; 1 x DC IN; 3 x USB 3.2 Ports; 1 x USB 2.0 Port; 2 x HDMI Ports; 1 x Type-C (DP/DATA); 1 x RJ45 2500Mbps; 1 x Audio Jack (HP&MIC) Power Adapter DC IN (5.5/2.5mm), 20V/5A 100W Operating Environment -10°C–45°C，30%–85% Humidity Storage Environment -20°C–60°C，10%–90% Humidity Cooling Method Air Cooling Fan Package Contents 1 x GMKtec Nucbox Black M3 Intel Core i5-12450H Mini PC, 1 x Power Adapter, 1 x VESA Mount with Screws, 1 x HDMI Cable, 1 x User Manual
Nucbox M3 Mini PC Computer Intel Core i5-12450H Special Features
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Nucbox M3 Intel Core i5-12450H Office Business Home Setup
Take a look at the Nucbox M3 Intel Core i5-12450H OS, application and software setup.
The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked.
Nucbox M3 Mini PC Intel Core i5-12450H BIOS Interface Video
Take a look at our Nucbox G3 Intel Core i5-12450H mini computer rich BIOS interface.
The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked.
Nucbox M3 Intel Core i5-12450H Gaming Test Run
Take a look at our gaming test run using the Nucbox M3 mini pc.
1 12th Gen Core i5-12450H
2 VESA Mount
3 Triple Screen Display
4 2.5G Ethernet LAN
5 Strong Cooling Fan
Nucbox M3 Intel Core i5-12450H Features 
Retail Boxed Package Contents
GMKtec Nucbox Black M3 Intel Core i5-12450H Mini PCPower Adapter & CableVESA Mount with ScrewsHDMI Cable & User Manual 
Quick Disassembly Design
Remove the bottom rubber feet and screws.
Expand memory with 2*SO-DIMM slots up to 64GB.
Expand hard drive storage up to 4TB: M.2 2280 PCIE 3.0/4.0 (Max. 2TB)/ M.2 2242 SATA (Max. 2TB)
16GB DDR4 Dual Channel Memory + 512GB PCIe 3.0 NVMe Hard Drive SSD
The unit is prebuilt with 16GB DDR4 Dual Channel Memory (2*8GB) and 512GB PCIe 3.0 NVMe Hard Drive SSD.
Premium Parts & Design
Manufactured using premum parts with a metal chassis durable body to protect the components inside.
High quality cooling fan and cooling vents on three sides helps improve air flow to prevent the device from overheating.
Super Speed Wireless Connection
The Nucbox M3 mini workstation computer uses an upgraded WiFi6 and Bluetooth 5.2 for fast wireless connection.
Stable connection and faster uploading/downloading speeds.
Mini PC Computer Makes a Great Gift or Present!
Our Mini PC’s make a perfect Father’s day, Mother’s day, birthday, Christmas present gift for men, women, family members and friends.
It’s a perfect device for everyday use.
Premium Mini PC Computers For Business, Office, Gaming – Built for You
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Customer Reviews
4.0 out of 5 stars
45
4.4 out of 5 stars
284
4.4 out of 5 stars
591
4.4 out of 5 stars
591
4.6 out of 5 stars
705
4.4 out of 5 stars
187
4.0 out of 5 stars
45
Price
$306.99$306.99
$329.99$329.99
$209.99$209.99
$139.99$139.99
$143.99$143.99
$359.99$359.99
$589.99$589.99
Processor
Intel Core i5-12450H (4.4GHz)
AMD Ryzen 7 5825U (4.5GHz)
Intel Twin Lake N150 (3.6GHz)
Intel Twin Lake N150 (3.6GHz)
Intel Alder Lake N97 (3.6GHz)
Intel Core i7-11390H (5.0GHz)
Intel Core i9-12900HK (5GHz)
Operating System
Windows 11 Pro (64bit)
Windows 11 Pro (64bit)
Windows 11 Pro (64bit)
Windows 11 Pro (64bit)
Windows 11 Pro (64bit)
Windows 11 Pro (64bit)
Windows 11 Pro (64bit)
Graphics Coprocessor
Intel UHD Graphics 1.20 GHz
AMD Radeon 8Cores 2000MHz
Intel Graphics 1000MHz
Intel Graphics 1000MHz
Intel UHD Graphics 1.20GHz
Intel Iris Xe Graphics 1.4GHz
Intel UHD Graphics 1.45 GHz
Memory (RAM) Size
16GB DDR4 Dual Channel
32GB DDR4 Dual Channel 16GB*2
16GB DDR4
8GB DDR4
12GB DDR5
16GB DDR4
32GB DDR4 Dual Channel
Hard Disk (ROM) Size
512GB
1TB
1TB
256GB
256GB
1TB
1TB
Core/Threads
8 Cores / 12 Threads
8 Cores / 16 Threads
4 Cores / 4 Threads
4 Cores / 4 Threads
4 Cores / 4 Threads
4 Cores / 8 Threads
14 Cores / 20 Threads
Video Interface
2xHDMI (4K@60Hz) & DPv1.4
USB 4.0/HDMI/DP USB-C Video
2xHDMI (4K@60Hz)
2xHDMI (4K@60Hz)
2xHDMI (4K@60Hz)
2xHDMI (4K@60Hz) & DPv1.4
2xHDMI (4K@60Hz) & DPv1.4
WiFi & Ethernet
RJ45 LAN/WiFi 6/Bluetooth 5.2
DUAL RJ45 LAN/WiFi 6E/BT 5.2
RJ45 LAN/WiFi 6/Bluetooth 5.2
RJ45 LAN/WiFi 6/Bluetooth 5.2
RJ45 LAN/WiFi 5/Bluetooth 4.2
RJ45 LAN/WiFi 6/Bluetooth 5.2
RJ45 LAN/WiFi 6/Bluetooth 5.2
Data Transfer Interface
1xUSB-C/3xUSB 3.2/1xUSB2.0
2 x USB 3.2 / 2 x USB 2.0
4 x USB 3.2
4 x USB 3.2
3 x USB 3.2
3 x USB 3.2 / 1 x USB 2.0
1xUSB-C/3xUSB 3.2/1xUSB2.0
Power Consumption
45W
35W
6W
6W
12W
35W
45W
Auto Power On/Wake on LAN/PXE
✔
✔
✔
✔
✔
✔
✔
Support Ubuntu/Linux/Win 10
✔
✔
✔
✔
✔
✔
✔
【Latest 12th Generation Intel Core i5-12450H Mini PC】Features 12th Gen Intel Core i5-12450H, Intel UHD Graphics 1.20 GHz, 8 Processor Cores, 12 threads, 12MB Smart Cache, 45W TDP, Cores: Up to 4.4GHz Turbo. Compared with Intel’s previous generation mobile processor i7-10810U, the single-core performance of the i5-12450H has improved by approximately 31%, multi-core performance by approximately 48%. Single-core performance is comparable to AMD R9 6900HX. Upgrade over the core i7 11390H.
【16GB DDR4 Dual Channel RAM 512GB PCIe 3.0 SSD Drive】Equipped with fast Dual Channel 16GB (8GB*2) DDR4; supports expansion to 64GB (Not Included) and 512GB PCIe 3.0 M.2 2280 NVMe SSD Hard Drive; supports expansion to 2TB (Not Included). This mini computer runs faster than previous Core i5 / AMD Ryzen 5 processors and offers fast response whether it’s gaming or rendering rich 3D graphics. Strong performance, perfect for daily use, such as business office, gaming entertainment, home theater, etc.
【Rich Interface & Small Form Factor】The mini desktop computers comes with 2 x HDMI 2.0 (4K@60Hz), 3 x USB 3.2, 1 x USB 2.0, 1 x DC Port, 1 x Type-C (Power/Data), 1 x LAN Port, 1 x Audio-in/out Jack ports. The size of the small computer is only 4.48×4.17×1.67 inches, easy to carry and organize on your desktop. Our complimentary VESA bracket can mount the micro pc on the wall or on the monitor.
【Bluetooth 5.2 and WiFi 6】 Mini computer i5 features WiFi 6, a Transmission speed of up to 3.5Gbps, Dual Band networking ensures stable, high-speed data transfers. Bluetooth 5.2 improves sound quality and energy efficiency in all devices that connect for audio functions.
【Win 11 Pro Pre-Installed】Nucbox M3 Mini PC Desktop Computer Core i5 comes with Windows 11 pro preinstalled (compatible with Linux, Ubuntu). This powerful mini computer does everything a regular computer does, and it can actually be put on your desktop, taking just a little more space than a smartphone.
【2.5G Lightning Fast Ethernet】 Intel i225v 2.5 Gigabit Ethernet up to 2.5x faster than Gigabit Ethernet. Compatible with Linux, Unbuntu, ESXI VMware.
【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.
Customers say
Customers find the computer functional and easy to use. It works well for office work and internet tasks like web browsing and TV streaming. They appreciate its small size, which doesn’t require a lot of space. Some customers are happy with the power consumption. However, some have issues with the fan speed and have different opinions on noise level and speed.
AI-generated from the text of customer reviews
11 reviews for GMKtec Mini Desktop Computer, M3 Intel Core i5 12450H (8C/12T, up to 4.40GHz) Windows 11 Pro Mini PC 16GB DDR4 (8GB*2) 512GB SSD, 2X HDMI 4K, 4X USB 3.2, USB-C, WiFi 6, BT 5.2, RJ45 2.5G Black
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Original price was: $399.98.$306.99Current price is: $306.99.
Daniel Wesolowski –
A nice, small PC
I got the Nucbox M3 to run streaming services and web browsing on my TV and have been very happy with it.Pros:Its boots quickly and does everything you would expect from a Windows 11 PC.Web browsing and TV streaming work as expected.It easily runs Moonlight to stream games from my Desktop to the TV and I’ve had no WiFi bandwidth or latency issues.It doesn’t use a lot of electricity, .016kWh when watching YouTube (according to my Kill a Watt)Its small and the black case blends in with the TV and cabinet.Con:My only critique is that it is silent most of the time however during heavy use such as when running updates and installing software the fan has an aggressive ramp and becomes noticeable.Overall I’d recommend it as a light duty desktop, Home Theater PC, or garage/workshop PC.
oren avraham –
great intel i5 12 generation mini pc
i got it this week . working great for office work and internet stuff ( youtube. hd vids . heavy softwares .streaming . ect.. . not playing any pc games so i cant realy tell . but for my reguler usage pc preform just like any big atx case size pc .for the ones that worry if the usb type c port will work with displayport out put . i can confirm that usb type c cable to displayport works just fine .i used Club3D CAC-1557 USB Type C to Displayport cable from the m3 to my dell monitor with dp output . works like a charmthe m3 noise is just fine . sometimes can have small short noise for few seconds when cpu get a bit overload . but for now i am happy with the pc . i think wont be using any old big box pc cases. this one just not taking space and looks great on the pc table . i definitely will buy in the future more mini pcs from the gmktec brand .
Adam Stansbery –
Update: Gets hotter than it should. Great Mini PC for Office use and Retro Gaming plus a Plex Server
This is a really nice little Mini PC with some decent capability and a couple of caveats.If you look at the screenshot of Lexar SSD that comes stock with the PC. The Read/Write Speeds of the 476GB one. You will see that they are standard for Gen3x4 M.2 PCI-e SSD. The second SSD Read/Write speeds is the one that most people may find shocking. As it is a PCI-e Gen3x4 2242 M.2 SSD. Even though the information says it only accepts SATA. It’s a cheap as possible SKHynix I purchased off Amazon for $16. So that’s probably why the write speeds aren’t as good as expected. The empty 2242 M.2 SSD slot is PCI-e and SATA. The motherboard even states it if you see the picture of the inside with both SSD’s removed. The HWINFO64 data shows that it is PCI-e Gen3 compatible as well. So a 2TB 2242 M.2 SSD and a large multi TB 2280 SSD and you could have a decent amount of storage in this PC.I was able to get all three monitor outputs working properly. The only thing I couldn’t get working was HDR for my 4K HDR TV. I have been able to get another PC to output 4K HDR to it so I know it wasn’t that. Probably Windows or Intel driver issues.The one thing that I didn’t like was the fan noise. Any time the CPU had to ramp up for any task. It would be almost as loud as older PC’s loud fans. Looks like the CPU cooler needs to be larger. I did go into the BIOS and set the TDP to 45W instead of the Standard of 35W. That still shouldn’t have that much effect on temps. Even the screenshot from HWINFO64 Sensors shows the slightly higher temps than you may like from it. Possibly a mesh ring around the whole top panel would help with that. Or possibly a bullseye looking design in the top panel.This PC will make a great retro gaming PC and some newer Windows games but I wouldn’t try Cyber Punk on it. The game benchmarks show how well it could possibly handle different games. You could also use the 2242 M.2 SSD as your OS drive and use a PCI-e M.2 External Graphics adapter in the 2280 slot. Making it so you could run many more modern games at much higher settings. But you would still have to deal with the CPU temp issue and possible thermal throttling. Even 2-3 more mm on the thickness of the cooler would help.You could also purchase a low cost DAS and make a great Plex/Emby/JellyFin server out of it.In conclusion.This is a great little PC hampered by a CPU cooler that just isn’t enough to keep this thing as cool as it should.I really do think they should release different tiers for their devices. Say make one motherboard model but only enable things like Thunderbolt/USB 4/5 with the install of the hardware for it for those willing to pay a little higher price. Or even the possibility for an external GPU connection or something like that. Heck a slightly taller PC would even allow a 2.5″ SATA SSD/HDD to be installed. Considering the bottom plate actually has a spot molded in it for one.
Amazon Customer –
Not suitable for work
Not very suitable for work purposes. Too slow, frequently freezes and quite noisy
KrypticNexus –
Great Mini PC
I got this little guy because i was needing a new minecraft server pc. I wanted something small that i could just put under my desk and forget about basically. The computer that was running my ATM9 Server had a i7-4790k and pulled about 100watt from the wall 24/7. This little guy I have set to performance mode in the bios. it only pulls about 15watts constant and spikes as high as 65watt. As you can see from my photos include the ssd that comes with it is pretty dang fast. The cpu can hold its own for heavier tasks. While under heavy load the fan will spin up and it can be loud at full speed. I dont hear it that often and it sets 3 feet from me. I have played ATM9 With the server running on the same machine and it played just fine at about 30 fps. I figure this gpu should be able to handle minecraft and older games like gta5 just fine. This does come with windows 11 pro. The Intel v226 LAN does get full through put at 225MB/s to my Data Server.I have been having one issue that i feel is more windows 11 issue then the little pc. Every now and then the Network driver just F’s off and i have to restart it.TLDR; Capable CPU, Gpu lacking but can do some light gaming, SSD nice and fast with second m-key ssd slot available, Plus quicksync.
mj –
It’s super small and ok for most task.
Maybe its just mine, but the cpu does not go above 3.8 … ever. I even tried xbox games for pc. If you need graphics for anything major… buy something else. it’s pretty laggy with even cloud play games and I’m running over 600 mbps Internet. Its great for browsing and some office work but it did not like excell. If you just need something you can pack up easy and hook into any tv with hdmi I 100 pct recommend this. As long as you’re not trying to game or something lol. size is amazing for what it can do. The gpu is better in the 97 tho. 4 USB ports are nice to have also being able to hook it up to actual Ethernet or WiFi is great. Im really just amazed at how they fit all that in this tiny box.
Aaron K. –
We were looking for a high powered computer to run Pix4d fields to stitch drone imagery. This unit fits the bill at the fraction of the cost of a major gaming PC.
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