Bmax B9 Plus

The Bmax B9 Plus pairs Intel’s 12th generation Core i5-1250P with 24GB of LPDDR5 memory and a 512GB NVMe SSD. Three video outputs drive up to three 4K screens at once, and the case is light enough to hang off the back of a monitor. That set of parts points it at a home office, an HTPC, or a second desk machine running productivity software.

Pros and Cons

Bmax B9 Plus Comparison Chart

	Bmax B9 Plus
Price	List Price: $359.99 Amazon Prices: Check Price on Amazon
Version	---
Performance Rating	4.8
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.

Triple 4K Output and Storage Bays That Stay Open

The chassis measures 5.04 x 4.41 x 1.77 inches and weighs 0.88 lbs, in a plain finish that suits an office desk. Video comes from two HDMI ports, one DisplayPort 1.4a, and a USB-C port with DisplayPort Alt Mode, enough for a triple 4K setup at 60Hz. A VESA mount bracket ships in the box, so the machine can sit behind a monitor rather than next to it.

The Core i5-1250P combines 4 performance cores and 8 efficiency cores for 16 threads, and its PassMark score of 17,649 is the headline figure. Paired with LPDDR5 memory, that is enough headroom to hold a browser, an office suite, and a video call open at the same time without the machine stalling.

Storage has room to grow. One of the two M.2 2280 NVMe PCIe 4.0 slots is free, and the 2.5” SATA bay takes a drive of up to 2TB through a user-accessible internal compartment. The rest of the ports cover two USB 3.2, two USB 2.0, a Gigabit Ethernet jack, and a 3.5mm combo jack, with WiFi 6 and Bluetooth 5.2 handling wireless. The 24GB of LPDDR5 is soldered to the board and cannot be changed.

Reviewer Insights

MiniPC-Review.com

MiniPC-Review.com found the B9 Plus delivers “outstanding performance for its size” and called it 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 same review found the machine can keep “sixty or more browser tabs open” alongside applications like Word, Excel, Zoom, and Spotify “without noticing any slowdowns,” and called it a “perfect replacement for a large desktop computer.” Its criticisms centered on the non-upgradeable RAM and limited gaming capabilities.

Customer Reviews

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”).

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 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, and the soldered RAM is the only recurring caveat.

Read more owner reviews on Amazon.

A Quiet Productivity Box With a 24GB Ceiling

At $359.99 the B9 Plus fits a home office, a media center, or a second machine on the same desk, and it does that work while weighing less than a pound and running close to silent. The 12-core Core i5-1250P supplies the processing power, and the 24GB of fast LPDDR5 RAM keeps multitasking smooth. Triple 4K display support makes it attractive for professionals who rely on multiple monitors, and the free M.2 slot and 2.5” SATA bay leave room to add storage later.

Anyone who expects to need more than 24GB later should buy a machine with memory sockets instead, because the soldered memory means 24GB is all this one will ever have. Gamers should also look elsewhere, since the Iris Xe graphics handle esports titles at 1080p but stall on demanding 3D applications and modern games. Starry Hope’s Mini PC Comparison Chart lists alternatives worth weighing against it.

Frequently Asked Questions