The KAMRUI GK3Plus Mini PC is built for a very specific type of buyer: someone who wants a silent, palm-sized Windows 11 Pro box to tuck behind a television, run a shop-floor spreadsheet, or act as a 24/7 home file server without noticing a spike on their monthly hydro bill. However, the single biggest takeaway from our three weeks of hands-on testing with the Intel N5030 configuration (12GB RAM, 256GB SSD) has as much to do with Amazon pricing algorithms as it does with silicon. While the hardware inside is a remarkably thrifty, expandable little workhorse for light duty, its current CAD $626.11 sticker price on Amazon.ca is an inventory-placeholder trap that you must avoid paying at face value.
In our testing, we found a machine with genuine utilitarian charm—most notably a clever, tool-free lid that lets you drop in a 2.5-inch SATA drive in under thirty seconds, and a thermal design that sips fewer watts at idle than an LED nightlight. At the same time, the quad-core Intel Pentium Silver N5030 processor inside is several generations old and hits a hard ceiling the moment you ask it to juggle heavy video conferencing alongside twenty browser tabs. Here is exactly what our benchmarks, power-metre logs, and daily living tests revealed.
What You Actually Get
Out of the box, the KAMRUI GK3Plus makes a stronger impression than most sub-litre micro desktops we have handled. Measuring exactly 12.8 x 12.8 x 5.15 centimetres and tipping our digital kitchen scale at 386 grams for the bare unit (540 grams once you include the external power brick and cord), it takes up less desk footprint than a standard coasters stack. The chassis is moulded from matte silver and charcoal ABS plastic with diagonal ventilation louvres wrapping around the sides. While there is no milled aluminum here, the plastic shell shows zero creaking when squeezed, and the metallic paint finish resists fingerprints far better than glossy black competitors.
Inside the retail box, KAMRUI includes the GK3Plus unit, a compact 12V/2.5A (30-watt) wall-wart power adapter with a 1.2-metre cable, an 80-centimetre HDMI cable, a stamped steel VESA mounting bracket with six small machine screws, and a multilingual quick-start pamphlet. You do not get a keyboard, mouse, or a VGA cable, so if you plan to use the third display output right away, you will need to supply your own 15-pin D-Sub cord.
The standout physical feature is the top panel. Flip a tiny plastic latch on the rear corner, slide the top cover five millimetres to the left, and it lifts completely free without touching a screwdriver. Underneath sits a pre-routed SATA data-and-power ribbon cable and mounting rails inside the lid itself for a 7mm 2.5-inch SATA SSD or hard drive. Deeper below a secondary heat-spreader plate sits the pre-installed 256GB M.2 2280 SATA SSD. Port selection around the perimeter is surprisingly generous for such a small footprint: two USB 3.0 Type-A ports, two USB 2.0 Type-A ports, two full-sized HDMI ports, one RJ45 Gigabit Ethernet jack, a 3.5mm audio combo jack, a power button, and a full-sized VGA port hidden behind a neat rubber dust flap on the left flank.
Hands-On Performance: What Our Testing Showed
To see what the KAMRUI GK3Plus can actually handle in a real Canadian household, we ran it through a 21-day testing protocol in our Southern Ontario test lab and home office. For the first ten days, it served as a primary kitchen-counter and home-office terminal connected to two 24-inch 1080p IPS monitors via HDMI and an older 19-inch 1080p shop monitor over VGA. For the final eleven days, we moved it down to our unfinished basement utility rack—where spring humidity hovered at 58% and ambient temperatures sat at a cool 15.5°C—configuring it as an always-on headless file server and Plex media node.
KAMRUI GK3Plus Mini PC Review: Low Wattage, High Price Tag
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Everyday Office & Triple-Display Productivity
Equipped with the quad-core, four-thread Intel Pentium Silver N5030 processor (base clock 1.1 GHz, burst up to 3.1 GHz) and 12GB of LPDDR4 memory, the GK3Plus feels snappy enough when you stick to single-task workflows. Booting from a cold press of the power button to the Windows 11 Pro login screen took an average of 19.4 seconds across ten trials. Launching LibreOffice Calc, drafting documents in Word, and managing local accounting files happened without a hitch.
The extra 4GB of RAM over typical 8GB budget boxes makes a measurable difference. In our browser stress test, we opened 15 Chrome tabs—mixing Google Docs, Canadian news sites, a 1080p YouTube stream, and an active Gmail inbox—while keeping Slack and Spotify running in the background. Memory utilization climbed to 8.3GB (69%), which would have forced an 8GB machine to start swapping heavily to the slow SSD. However, the N5030 CPU is the bottleneck. Once we pushed past 18 tabs or joined a Microsoft Teams video call with background blur enabled, CPU usage pinned at 100% and window animations dropped frames noticeably. Driving three 1080p monitors simultaneously at 60Hz worked right out of the box, making this a viable terminal for checking stock tickers, security camera feeds, or remote-desktop sessions into a beefier office workstation. If you are shopping for a dedicated media server, check out our guide to the best NAS enclosures for home streaming.
Storage Speeds & Expandability
Unlike cheaper mini PCs that rely on sluggish soldered eMMC flash memory, our GK3Plus arrived with a removable 256GB M.2 2280 SATA SSD. It is worth noting that the M.2 slot on this N5030 mainboard is wired for the SATA III protocol rather than NVMe PCIe. In CrystalDiskMark 8, we measured sequential read speeds of 524 MB/s and sequential write speeds of 468 MB/s. While that is a fraction of what modern PCIe 4.0 drives achieve, it is more than fast enough to keep Windows 11 updates from stalling the system.
To test the 2.5-inch expansion bay, we snapped a spare 1TB Crucial MX500 SATA SSD into the lid bracket. The entire installation took 28 seconds. Copying a 24.6GB folder of Blu-ray rips from the internal M.2 drive to the secondary 2.5-inch SSD sustained a steady 392 MB/s with zero dropouts. For photographers or families looking to back up phones locally without paying monthly cloud fees, this dual-drive layout is a huge practical advantage.
Thermals, Acoustics & Canadian Hydro Consumption
Because electricity costs in provinces like Ontario, Alberta, and the Maritimes make running an old 120-watt desktop tower 24/7 an expensive habit, we plugged the GK3Plus into a calibrated Kill A Watt P4400 metre for the entirety of our three-week test. The results were stellar. Sitting idle at the Windows desktop with monitors asleep, the system drew just 5.8 watts from the wall. Streaming a 1080p H.264 film over Plex pulled 9.4 watts, and an all-core Prime95 torture test peaked at 16.8 watts.
| Test Metric | Measured Result | Test Conditions |
|---|---|---|
| Wall Power Draw (Idle / Peak) | 5.8 W / 16.8 W | Windows 11 desktop idle vs. Prime95 30-min stress |
| Acoustic Noise (Idle / Load) | 29.2 dBA / 36.4 dBA | Measured at 50 cm distance in a 28.5 dBA room |
| CPU Peak Temperature | 74.0 °C | HWiNFO64 package sensor after 45 mins full load |
| Primary SSD Speed (Read / Write) | 524 MB/s / 468 MB/s | CrystalDiskMark 8, 1GiB test file, M.2 SATA drive |
| Cold Boot Time | 19.4 seconds | Power button press to Windows 11 Pro lock screen |
| Wi-Fi 5 Real-World Throughput | 285 Mbps down / 240 Mbps up | 6 metres from router through one drywall partition |
Even if you leave the GK3Plus running 24 hours a day, 365 days a year at an average server load of 8 watts, it will consume roughly 70.1 kWh annually. At an average Canadian residential hydro rate of 14.5 cents per kWh, that works out to just CAD $10.16 per year in electricity. Acoustically, the tiny blower fan is barely audible. At 50 centimetres away, our sound metre registered 29.2 dBA at idle—virtually indistinguishable from our room noise floor—and topped out at a gentle 36.4 dBA whoosh under sustained load.
Living With It: Long-Term Notes
Over three weeks of continuous operation, the GK3Plus proved remarkably stable, going 14 straight days in our basement without requiring a reboot. When we first set the unit up, we immediately ran a full Microsoft Defender offline scan and Malwarebytes check on the factory Windows 11 Pro 23H2 image; given past headlines about budget mini PC brands, we were relieved to find the installation completely clean, properly activated with an OEM digital license, and free of third-party trialware.
A few minor quirks emerged during daily life. First, the built-in Realtek dual-band Wi-Fi 5 (802.11ac) card is serviceable in the same room—pulling 285 Mbps on our 500 Mbps Bell Fibe connection at six metres—but its small internal antennas struggle with distance. When we moved the PC to a garage workbench separated by an insulated exterior wall, 5GHz speeds dropped to 64 Mbps. If you are placing this far from your router, plan on plugging into the Gigabit Ethernet port, which consistently delivered 941 Mbps in our iPerf3 tests. Similarly, Bluetooth 4.2 range is short; our wireless headphones began stuttering if we walked more than four metres away.
Maintenance is as simple as it gets. Because the fan intakes air through the side vents, fine household dust will eventually gather on the plastic grilles, so a five-second blast of compressed air every few months is all that is required. One welcome surprise for tinkerers: the BIOS is completely unlocked, allowing us to enable Wake-on-LAN and automatic power restoration without wrestling with locked menus. For more ways to optimize your workspace, see our roundup of top budget 4K monitors in Canada.
Where It Falls Short
We have to address the elephant in the room: the price-to-performance ratio at its current Amazon.ca listing price of CAD $626.11. The Intel Pentium Silver N5030 is a 14-nanometre Gemini Lake Refresh chip released back in late 2019. While it was a respectable ultra-low-power processor a few years ago, even entry-level mini PCs in 2026 have moved on to Intel's Alder Lake-N series (specifically the N95, N97, and N100), which deliver nearly double the single-core and multi-core throughput at the exact same wattage. Paying over six hundred dollars for an N5030 machine is a non-starter; at that price bracket, you should be getting an AMD Ryzen 5 or Ryzen 7 mini workstation.
Beyond the pricing distortion, the hardware has real ceilings you need to respect. Because the 12GB of LPDDR4 memory operates in a low-clock configuration and cannot be upgraded, memory-bandwidth-sensitive applications feel sluggish. Trying to edit 4K drone footage in DaVinci Resolve resulted in an unusable slideshow, and even heavy 4K 60fps YouTube videos coded in the newer AV1 format caused dropped frames because the integrated UHD Graphics 605 lacks hardware AV1 decoding. You also miss out on modern connectivity conveniences: there is no USB-C port anywhere on the chassis, no SD card reader, and you are tethered to a proprietary barrel-plug power adapter.
How It Compares
To put the KAMRUI GK3Plus N5030 in proper context for Canadian shoppers, we stacked it up against two well-known alternatives currently available on Amazon.ca—one representing the modern budget standard, and the other representing what CAD $500 to $600 should actually buy you.
| Model | Price (CAD) | Key Spec | Best For |
|---|---|---|---|
| KAMRUI GK3Plus (N5030) | $626.11 (List) / ~$199 (Sale) | Intel N5030, 12GB RAM, 256GB SSD | Ultra-low-wattage 1080p triples & SATA storage expansion (on sale only) |
| Beelink Mini S12 Pro | ~$249.00 | Intel N100, 16GB DDR4, 500GB PCIe SSD | Everyday office work, 4K streaming & best sub-$300 value |
| Beelink SER5 MAX | ~$519.00 | AMD Ryzen 7 5800H, 16GB RAM, 500GB NVMe | Heavy multitasking, light gaming & photo/video editing |
Buy the KAMRUI GK3Plus if: you catch it on a steep lightning deal or coupon promotion under CAD $200, or if you select the updated Intel N95/N97 processor variant on the same product page for around CAD $220. Its tool-free 2.5-inch drive bay and built-in VGA port make it uniquely handy for legacy shop monitors and cheap bulk storage.
Buy the Beelink Mini S12 Pro if: you want the best budget daily driver under CAD $260. Its Intel N100 chip runs circles around the N5030, includes Wi-Fi 6, and handles 4K AV1 video effortlessly. You can also read our full comparison of compact desktop computers for more options.
Buy the Beelink SER5 MAX if: you actually have a budget of CAD $500 to $630. With an 8-core, 16-thread AMD Ryzen 7 processor and NVMe SSD speeds over 3,000 MB/s, it is nearly four times faster than the N5030 GK3Plus while costing less than KAMRUI's inflated list price.
Buying Advice
KAMRUI GK3Plus Mini PC Review: Low Wattage, High Price Tag
We may earn a commission. Price and availability change.
Shopping for mini PCs on Amazon Canada requires a sharp eye for variant menus and coupon checkboxes. On the KAMRUI GK3Plus listing page, the N5030 / 12GB / 256GB model frequently fluctuates wildly in price when warehouse stock dips, jumping to CAD $626.11 while newer Intel N95 or N97 configurations on the very same page sit between CAD $219 and $269 with an instant $50 off tick-box coupon. Never check out with this unit at over $250. During major retail events like Prime Day in July and Black Friday in November, entry-level GK3Plus configurations reliably dip to the CAD $169 to $199 mark, which is the exact sweet spot where this hardware makes financial sense.
If you do pick one up for a home theatre or server role, two inexpensive accessories are worth adding to your cart: a 1TB or 2TB 2.5-inch SATA SSD (such as the TeamGroup AX2 or Crucial BX500, usually around CAD $75 to $85) to populate the top lid bay, and a short Cat6 Ethernet patch cable to bypass the mediocre Wi-Fi 5 module. In Canada, purchases fulfilled through Amazon.ca are covered by the standard 30-day return window, and KAMRUI provides a 12-month limited manufacturer warranty with email support that responded to our test inquiry regarding BIOS updates within 24 hours.
The Verdict
Judging the KAMRUI GK3Plus Mini PC requires separating a clever, low-power piece of budget engineering from a distorted e-commerce price tag. As a physical machine, we genuinely liked living with it: the tool-free 2.5-inch SATA drive bay is brilliant, the 5.8-watt idle power draw is a dream for hydro-conscious Canadians running an always-on home server, and the ability to drive three 1080p screens simultaneously from a silent, 386-gram plastic cube is impressive. However, the aging Intel Pentium Silver N5030 processor inside simply does not belong anywhere near its current CAD $626.11 listing price, which drags its Value for Money score down and lands the system at a 6.9 out of 10 overall. Wait for a sub-$200 promotional price drop—or click over to the newer Intel N95/N100 variant on the listing page—and this little box transforms from a hard pass into a thrifty, practical micro desktop.
