Bmax B9 Plus

Updated on June 21, 2026

The Bmax B9 Plus represents a compelling entry in the compact mini PC market, packing Intel's 12th generation Core i5-1250P processor with its impressive 12 cores and 16 threads into a remarkably small form factor. This isn't your typical budget mini PC: the B9 Plus comes equipped with 24GB of LPDDR5 RAM and a 512GB NVMe SSD, making it a serious contender for anyone who needs desktop-class productivity in a space-saving package. Whether you're setting up a home office, building a HTPC, or need a capable secondary workstation, this mini PC delivers the kind of performance that lets you multitask without compromise.

Pros and Cons of the Bmax B9 Plus

Bmax B9 Plus Comparison Chart

	Bmax B9 Plus
Price	List Price: $359.99 Amazon Prices: Check Price on Amazon
Version	---
Performance Rating	7.6
Operating System	Windows 11 Pro
Processor	Twelve-core 1.70 Ghz (max 4.40 Ghz) Intel Core i5-1250P
GPU	Integrated Intel Iris Xe Graphics
RAM	24 GB LPDDR5 (Soldered, non-upgradeable)
Internal Storage	512 GB
Dimensions width x length x thickness	4.41 x 5.04 x 1.77 inches (112.01 x 128.02 x 44.96 mm)
Weight	0.88 lbs (0.4 kg)
WiFi	Wi-Fi 6 (802.11ax)
Bluetooth	Bluetooth 5.2
Ethernet	1 Ethernet port at 1 Gbps
HDMI	2 Full-Size HDMI Ports
DisplayPort	1 DisplayPort (DisplayPort 1.4a)
VGA	No VGA Ports
USB Ports	2 USB 2.0, 2 USB 3, 1 USB-C USB-C supports DisplayPort Alt Mode for video output
Thunderbolt Ports	No
OCuLink	No
Internal SATA Ports	No SATA ports
Card Reader	No Card Reader
Headphone Jack	3.5mm combo
Fanless	No
VESA Mount	Yes
In the Box	Power adapter (DC 19V/3.42A), VESA mount bracket, User manual
Expandability	RAM: 24GB LPDDR5 soldered (NOT upgradeable). Storage: 1x M.2 2280 NVMe slot available for expansion, 1x 2.5" SATA bay (up to 2TB). User-accessible internal compartment for storage upgrades.

Detailed Insights into the Bmax B9 Plus

The Bmax B9 Plus showcases thoughtful engineering in its compact chassis, measuring just 5.04 x 4.41 x 1.77 inches and weighing under a pound. The build quality is solid for its price point, with a clean aesthetic that won't look out of place in a professional setting. Port selection is excellent: two HDMI ports, one DisplayPort 1.4a, and a USB-C that supports DisplayPort Alt Mode, enabling triple 4K display configurations. The inclusion of VESA mount hardware means you can tuck this mini PC behind a monitor for an impressively clean desk setup.

Performance from the Intel Core i5-1250P is genuinely impressive for a machine this size. The processor's 12 cores (4 performance cores, 8 efficiency cores) and 16 threads, combined with the fast LPDDR5 RAM, deliver smooth multitasking even under heavy loads. According to reviews, the system handles 60+ browser tabs alongside productivity applications like Word, Excel, Zoom, and Spotify without any noticeable slowdowns. The PassMark CPU score of 17,649 puts it comfortably ahead of many competing mini PCs in this price range, and the cooling system manages to keep temperatures in check without producing distracting noise.

Connectivity and expansion options are comprehensive for a mini PC of this size. Beyond the display outputs, you get two USB 3.2 ports, two USB 2.0 ports, a USB-C port, and a Gigabit Ethernet jack. WiFi 6 (802.11ax) and Bluetooth 5.2 provide modern wireless connectivity. For storage expansion, there's an available M.2 2280 slot alongside the primary drive, plus a 2.5" SATA bay that can accommodate up to 2TB of additional storage. The main limitation is the soldered 24GB LPDDR5 RAM; while generous, you can't upgrade it if your needs grow.

Reviewer Insights on the Bmax B9 Plus

MiniPC-Review.com

According to MiniPC-Review.com, the B9 Plus delivers "outstanding performance for its size" and represents an "excellent alternative to desktop PC for professional/office use." Their testing confirmed the system "remains virtually silent, even during demanding tasks" while maintaining safe temperatures without thermal throttling. They noted that the 24GB of LPDDR5 RAM enables smooth multitasking with multiple applications running simultaneously.

The review particularly praised the productivity performance, noting the machine can keep "sixty or more browser tabs open" alongside applications like Word, Excel, Zoom, and Spotify "without noticing any slowdowns," and calling it a "perfect replacement for a large desktop computer." The main criticisms centered on the non-upgradeable RAM and limited gaming capabilities.

Customer Reviews of the Bmax B9 Plus

Across 7 ratings on Amazon, the Bmax B9 Plus averages 4.8 stars, with every rating landing at four or five stars (76 percent five-star, 24 percent four-star). The sample is small, so read it as early-owner sentiment rather than a settled verdict. F. W. Lee, a verified buyer who set the machine up for a son's projects, wrote "I highly recommend this Mini PC for all your office and work needs," and another verified buyer, Guillo, left only "Excelente. Rápido potente" (Spanish for "Excellent. Fast, powerful").

A more detailed reviewer, Lonnie M. (not a verified purchase), opened the case and reported a "Fast NVMe SSD" and a "Second m.2 slot accepts NVMe or SATA SSD" plus a VESA mounting option, but flagged one real limitation: "Non-upgradeable RAM." E.Swope (also not verified) called it "the fastest and most solid yet" among several mini PCs they have owned and described using it as a desktop replacement. Nobody in this sample reported a serious fault; the soldered RAM is the only recurring caveat to weigh before buying.

Read more owner reviews on Amazon.

Conclusion

The Bmax B9 Plus is an excellent choice for anyone seeking a powerful, compact mini PC for productivity tasks, home office work, or as a space-efficient desktop replacement. The Intel Core i5-1250P processor with 12 cores provides genuine computing power in a package that weighs less than a pound, while the 24GB of fast LPDDR5 RAM ensures smooth multitasking. Triple 4K display support makes it particularly attractive for professionals who rely on multiple monitors, and the near-silent operation means it won't distract during focused work sessions.

However, prospective buyers should be aware of its limitations. The soldered RAM means 24GB is all you'll ever have, so if you anticipate needing more memory in the future, this isn't the right choice. Similarly, gamers looking for AAA gaming performance should look elsewhere; the Iris Xe graphics can handle esports titles at respectable frame rates, but demanding 3D applications and modern games will struggle. The B9 Plus is fundamentally a productivity machine, and it excels at that role.

At $359.99, the Bmax B9 Plus offers compelling value for its target audience. The combination of a 12-core processor, generous RAM, fast NVMe storage, and comprehensive connectivity makes it a solid investment for home offices, media centers, or anyone who needs desktop performance without the desktop footprint. For those looking to compare options, Starry Hope's Mini PC Comparison Chart provides a valuable resource for evaluating alternatives in this category.

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