BOSGAME M4
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The BOSGAME M4 is a compact mini PC built around the AMD Ryzen 7 8745HS (8 cores, 16 threads, up to 4.9GHz). What sets it apart from most mini PCs is its OCuLink port, a direct PCIe 4.0 x4 connection for external GPUs without the bandwidth limits of Thunderbolt or USB4. With dual 2.5-gigabit Ethernet, USB4, and support for three simultaneous 4K displays, the M4 targets gamers, content creators, and professionals who want desktop-class performance in a small footprint.
Pros and Cons of the BOSGAME M4
| Pros | Cons |
|---|---|
| OCuLink port enables full-speed eGPU connectivity | Subpar thermal performance during extended gaming |
| Dual 2.5 Gigabit Ethernet ports | Fan becomes audible under sustained load |
| Active cooling for both M.2 SSD slots | Second M.2 slot shares PCIe lanes with WiFi |
| USB4 with 40Gbps bandwidth | All-plastic construction |
| Easy RAM and storage upgrades | No Thunderbolt support |
| Supports three 4K displays simultaneously | Only 12-month warranty |
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BOSGAME M4 Comparison Chart
![]() BOSGAME M4 | ![]() BOSGAME M4 | |
| Price | List Price: $499 Amazon Prices: | List Price: $569.99 Amazon Prices: |
| Version | 32GB/1TB/Ryzen 7 8745HS | 32GB/1TB/Ryzen 7 7840HS |
| Performance Rating | 9.1 | 9.0 |
| Operating System | Windows 11 Pro | Windows 11 Pro |
| Processor | Octa-core 3.80 Ghz (max 4.90 Ghz) AMD Ryzen 7 8745HS | Octa-core 3.80 Ghz (max 5.10 Ghz) AMD Ryzen 7 7840HS |
| GPU | Integrated AMD Radeon 780M | Integrated AMD Radeon 780M |
| RAM | 32 GB | 32 GB |
| Internal Storage | 1 TB | 1 TB |
| Dimensions width x length x thickness | 5.12 x 5.08 x 1.81 inches (130.05 x 129.03 x 45.97 mm) | 5.12 x 5.08 x 1.81 inches (130.05 x 129.03 x 45.97 mm) |
| Weight | 1.23 lbs (0.56 kg) | 1.23 lbs (0.56 kg) |
| WiFi | Wi-Fi 6E (802.11ax) | Wi-Fi 6E (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 HDMI Port | 1 HDMI Port |
| DisplayPort | 1 DisplayPort | 1 DisplayPort |
| VGA | No VGA Ports | No VGA Ports |
| USB Ports | 2 USB 2.0, 2 USB 3, 1 USB 4, 1 USB-C | 2 USB 2.0, 2 USB 3, 1 USB 4, 1 USB-C |
| Thunderbolt Ports | No | No |
| OCuLink | PCIe 4.0 x4 for eGPU | PCIe 4.0 x4 for eGPU |
| 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 | Yes | Yes |
| In the Box | Mini PC, 120W power adapter, VESA bracket, HDMI cable, user manual | Mini PC, 120W power adapter, VESA bracket, HDMI cable, user manual |
| Expandability | RAM: 2x SO-DIMM DDR5-4800 slots (up to 64GB). Storage: 2x M.2 2280 PCIe 4.0 slots with active SSD cooling. | RAM: 2x SO-DIMM DDR5-4800 slots (up to 64GB). Storage: 2x M.2 2280 PCIe 4.0 slots with active SSD cooling. |
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Detailed Insights into the BOSGAME M4
The BOSGAME M4 measures 5.12 x 5.08 x 1.81 inches and weighs just 1.23 pounds, making it one of the more compact options in its performance class. The all-plastic construction keeps costs down while still providing a functional design with good port accessibility on both front and rear panels. The front panel features the USB4 Type-C port and headphone jack for convenient access, while the rear accommodates the dual 2.5GbE ports, HDMI 2.0, DisplayPort 1.4, OCuLink, and additional USB ports. TechRadar's review notes that while it lacks the premium feel of metal-encased competitors, the M4 ticks every other box for a successful NUC design.
Performance from the Ryzen 7 8745HS impresses across productivity and creative workloads, with the integrated Radeon 780M graphics handling casual gaming and 4K video editing. The 12 RDNA 3 compute units clocked at 2700MHz deliver desktop-level graphics performance for a mini PC, though the OCuLink port opens up true gaming potential when paired with an external GPU enclosure. Wccftech rated the M4 strong value for the segment, praising its everyday and creative performance for the price. The 32GB of DDR5-4800 memory in dual-channel configuration ensures no bottlenecks for demanding applications.
Connectivity on the M4 is strong for the price point. The dual 2.5-gigabit Ethernet ports using Realtek RTL8125 chipsets provide fast wired networking with redundancy for NAS or homelab setups. WiFi 6E via the Intel AX210 chipset delivers strong wireless performance with support for the 6GHz band, and Bluetooth 5.2 handles peripherals reliably. The inclusion of both USB4 at 40Gbps and OCuLink sets the M4 apart from competitors that often force users to choose between these standards. Storage expansion includes two M.2 2280 PCIe 4.0 slots, though the second slot shares PCIe lanes with the WiFi card.
Reviewer Insights on the BOSGAME M4
Tek Syndicate's Perspective
Tek Syndicate frames the M4 as a sub-$500 surprise, pairing the Ryzen 7 8745HS and Radeon 780M with OCuLink and dual 2.5-gigabit Ethernet. The review leans on the value angle for the class and treats OCuLink as the reason to choose the M4 over rivals that stop at USB4, since the port gives an external GPU a full PCIe 4.0 x4 path instead of sharing a USB4 channel.
Team Pandory's Perspective
Team Pandory asks whether the M4 is the cheapest OCuLink mini PC actually worth buying, walking through the hardware and the external-GPU expansion path. The takeaway is that the OCuLink port plus the 8745HS make it a strong budget base for anyone planning to add a discrete GPU later, with the usual caveat that a dock and card add to the total cost.
TechRadar's Assessment
According to TechRadar, the M4 delivers plenty of performance for a modest price, earning a 4.5 out of 5 rating. Their review emphasized the easy upgrade path for memory and storage, with accessible SO-DIMM slots and M.2 drives. While the all-plastic construction lacks premium appeal, the overall value proposition impressed reviewers who found it ticked every box for a successful compact desktop replacement.
Wccftech's Findings
Wccftech awarded the M4 an 8.8 out of 10, calling it strong value in the mini PC segment. Their testing highlighted the versatile connectivity and the honeycomb-vented design, though the reviewer noted subpar thermal performance during an extended gaming session (a limitation they described as common across this class). The OCuLink and USB4 combination earned particular praise for enabling flexible expansion that many competitors lack.
Customer Reviews of the BOSGAME M4
Across 10 ratings on Amazon, the BOSGAME M4 averages 4.2 stars. The score is not unanimous: while every written review on the page is a 5-star verified purchase, the rating breakdown shows a real spread, with roughly 27 percent of ratings landing at 3 stars or below, so a handful of buyers were clearly less satisfied than the written feedback alone suggests. The posted reviews skew toward two use cases: running local AI models and gaming. A verified buyer named Mycotoxin, who runs the 32GB unit as a Linux server for large language models, wrote "With 32gb it’s able to run the Qwen MOE 30b models , GPT OSS 20B and the Mistral 14B models . The tokens / second speed is acceptable also ."
On the gaming side, verified buyer OttoPaulson reported using it for Final Fantasy VII Remake and wrote "Lots of power and storage. It's working flawlessly with a 55" QLED TV," while adding the caveat "Haven't had it very long yet, so we'll see how it goes." Two other verified buyers, James M. Merlotti and Win Huan, left brief 5-star notes ("Hi speed great unit" and "Good computer specification") without much detail. With only four written reviews to draw on, the sample is small; treat the early enthusiasm accordingly, and note that the overall distribution carries some lower ratings the written reviews do not explain.
Read more owner reviews on Amazon.
Conclusion
The BOSGAME M4 is a strong choice for power users who need desktop-class performance in a tiny footprint. The AMD Ryzen 7 8745HS delivers solid processing power, and features like OCuLink, dual 2.5GbE, and USB4 provide connectivity options typically reserved for much larger systems. At its list pricing of roughly $500 to $570 depending on configuration, it is good value for gamers looking to add an external GPU or professionals needing a capable compact workstation.
That said, prospective buyers should know the M4 can run warm and its fan can get audible under sustained gaming, a trait reviewers framed as common to this compact class; tuning the fan curve or leaning on the OCuLink eGPU path for graphics-heavy work both help. The 12-month warranty may also give pause to buyers expecting longer coverage. For those who can work around these limitations, the M4 offers a strong balance of performance, expandability, and compact design.
One availability note: the M4's Amazon listings (across its 8745HS, 7840HS, and 7940HS configurations) were showing as unavailable when checked, so confirm stock and the exact chip before ordering. For comparing options, Starry Hope's Mini PC Comparison Chart is a useful resource for evaluating the M4 against other compact desktop alternatives.
Frequently Asked Questions
What processor does the BOSGAME M4 actually use?
This page covers the AMD Ryzen 7 8745HS configuration: 8 cores, 16 threads, and boost clocks up to 4.9GHz, which is the version the professional reviews tested. BOSGAME also sells the M4 chassis with other chips (a Ryzen 7 7840HS, and some listings a Ryzen 9 7940HS), so check the exact processor on the listing before buying.
Can I connect an external GPU to the BOSGAME M4?
Yes, the M4 features an OCuLink port that provides a direct PCIe 4.0 x4 connection for external GPUs. This offers superior bandwidth compared to Thunderbolt or USB4 eGPU solutions, making it ideal for gaming or professional graphics work.
How many displays can the BOSGAME M4 support simultaneously?
The BOSGAME M4 supports up to three 4K displays simultaneously using its HDMI 2.0, DisplayPort 1.4, and USB4 ports. OCuLink is a PCIe port for an external GPU, not a display output, so it does not add a fourth screen on its own.
Is the RAM in the BOSGAME M4 upgradeable?
Yes, the M4 features two SO-DIMM DDR5-4800 slots that are easily accessible for upgrades. The system ships with 32GB but likely supports up to 64GB maximum capacity. The teardown process is straightforward according to reviewer assessments.
Does the BOSGAME M4 have any known thermal issues?
The M4 can run warm under sustained gaming. Wccftech described subpar thermal performance during an extended gaming session, calling it a trait common to this compact, high-performance class rather than a defect. For graphics-heavy workloads, routing a GPU through the OCuLink port keeps that load off the internal cooling. Separately, the second M.2 slot shares PCIe lanes with the WiFi card.
What networking options does the BOSGAME M4 offer?
The M4 includes dual 2.5-gigabit Ethernet ports using Realtek RTL8125 chipsets, WiFi 6E via Intel AX210 with support for the 6GHz band, and Bluetooth 5.2. The dual Ethernet ports are particularly useful for NAS setups, network redundancy, or router configurations.
How loud is the BOSGAME M4 during operation?
TechRadar found the airflow decent and the unit practically silent in normal use. Expect it to stay quiet for everyday tasks and to become more audible during long, heavy workloads; manually tuning the fan curve helps if the noise bothers you.
