KAMRUI AM21

The KAMRUI AM21 with AMD Ryzen 7 8745HS represents a compelling option for anyone seeking desktop-class performance without the bulk of a traditional tower. This compact mini PC measures just 4.69 inches square and 1.46 inches thick, yet it houses serious hardware including an 8-core, 16-thread Zen 4 processor capable of boosting to 5.1 GHz. The integrated AMD Radeon 780M graphics provide enough muscle for 4K video editing, content creation, and even smooth 1080p gaming in many popular titles. With 32GB of DDR5 RAM at 5600 MHz and a 1TB PCIe 4.0 NVMe SSD, the AM21 handles demanding multitasking scenarios with ease.

Pros and Cons of the KAMRUI AM21 (Ryzen 7 8745HS)

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KAMRUI AM21 Comparison Chart

	KAMRUI AM21
Price	List Price: $499.98 Amazon Prices: Loading prices...
Version	---
Perfomance Rating	9.1
Operating System	Windows 11 Pro
Processor	Octa-core 3.80 Ghz (max 5.10 Ghz) AMD Ryzen 7 8745HS
GPU	Integrated AMD Radeon 780M
RAM	32 GB DDR5 SO-DIMM
Internal Storage	1 TB
Dimensions width x length x thickness	4.69 x 4.69 x 1.46 inches (119.13 x 119.13 x 37.08 mm)
Weight	1.03 lbs (0.47 kg)
WiFi	Wi-Fi 6 (802.11ax)
Bluetooth	Bluetooth 5.2
Ethernet	2 Ethernet ports at 2.5 Gbps
HDMI	2 2.1 Ports
DisplayPort	1 DisplayPort (DP 1.4)
VGA	No VGA Ports
USB Ports	4 USB 3, 1 USB 4, 2 USB-C
Thunderbolt Ports	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 (19V/4.74A, 90W), VESA bracket, user manual
Expandability	RAM: 2x SO-DIMM DDR5-5600 slots (max 96GB); Storage: 2x M.2 2280 PCIe 4.0 NVMe slots (max 4TB total)

Detailed Insights into the KAMRUI AM21 (Ryzen 7 8745HS)

The AM21 impresses with its sleek, minimalist design that can sit unobtrusively on a desk or mount behind a monitor using the included VESA bracket. The chassis measures 119mm x 119mm x 37mm (roughly 4.7 x 4.7 x 1.5 inches) and weighs just over a pound, making it one of the more portable mini PCs in its performance class. Build quality appears solid, with adequate ventilation to handle the 45W sustained TDP of the Ryzen 7 8745HS processor. The triple copper heat pipe cooling system with a 95mm fan keeps temperatures in check while maintaining relatively quiet operation under normal workloads.

Performance is where the AM21 truly shines for its price point. The AMD Ryzen 7 8745HS uses the Zen 4 architecture with 8 cores and 16 threads, offering substantial headroom for productivity applications, virtual machines, and content creation workflows. PCWorld praised its ability to handle “multiple applications, virtual machines, and even light video editing or rendering without breaking a sweat.” The 32GB of DDR5 memory ensures smooth operation when running demanding applications simultaneously, and the 1TB PCIe 4.0 SSD delivers near-instant boot times and snappy application launches.

Connectivity stands out as a major strength of this mini PC. The USB4 port alone justifies serious consideration, offering 40Gbps data transfer, 8K video output, and 100W Power Delivery in a single connection. Combined with dual HDMI 2.1 ports (each supporting 8K@60Hz), a DisplayPort 1.4, and a USB-C 3.2 port with video output, the AM21 can drive up to four displays simultaneously. Dual Ethernet ports (one 2.5GbE, one 1GbE) provide reliable wired networking options, while WiFi 6 and Bluetooth 5.2 handle wireless connectivity. The four USB 3.2 Type-A ports round out a comprehensive port selection that rivals many larger desktops.

Reviewer Insights on the KAMRUI AM21 (Ryzen 7 8745HS)

Tech Finds And Reviews

Tech Finds And Reviews provides a comprehensive overview of the AM21, noting that “the AM21 impresses with its small footprint and sleek design. Unlike traditional desktops, this mini PC can easily fit on a desk, in a home office, or even tucked behind a monitor without taking up much space.” The reviewer highlights the effortless multitasking enabled by the 32GB DDR5 RAM configuration, stating that “whether you’re running multiple apps, browser tabs, or creative software like Photoshop and video editors, users online consistently note how smooth the experience is.” For the target audience of content creators, streamers, and home office users, they conclude that “it hits a sweet spot between size and performance.”

Click To Cart

The Click To Cart review positions the AM21 as a device that “delivers desktop level performance in a tiny footprint.” They emphasize the practical benefits of the connectivity options, noting that “the AM21 is ideal for multimonitor setups, remote workstations, and hybrid office environments. It’s incredibly flexible for users who need multiple displays, fast wired connections, and peripheral support in a small form factor.” The reviewer also appreciates that “despite its small footprint, the build quality and cooling system ensure that the processor and GPU maintain stable performance under heavy workloads.”

PCWorld Coverage

According to PCWorld, the AM21 represents “a lot of performance packed into a miniscule machine, and the value is insane with this discount.” Their coverage emphasizes the upgradeability factor, noting that users can expand RAM up to 96GB and storage up to 4TB, making it a future-proof investment. A separate PCWorld article describes it as “a fantastic price for an impressive device” capable of handling “streaming, hundreds of browser tabs, multiple apps” simultaneously.

Windows Central

Windows Central takes a gaming-focused perspective, positioning the AM21 as a budget alternative to expensive Steam Machines. They highlight its capability for “smooth 1080p gaming in many titles” including GTA V, Forza Horizon 5, and Delta Force, as well as its strength as an emulation platform for retro and console gaming. At around $489 during promotional periods, they consider it a compelling value proposition for living room gaming setups.

The consensus across reviewers is clear: the AM21 excels as a compact productivity powerhouse with legitimate light gaming capabilities, though it understandably falls short for demanding AAA titles at high settings.

Customer Reviews of the KAMRUI AM21 (Ryzen 7 8745HS)

With a 4.3-star rating based on 156 Amazon reviews, the KAMRUI AM21 has established a solid reputation among buyers. Customers consistently praise the compact form factor and impressive performance for the price, with many noting that it easily handles their daily workloads including web browsing with dozens of tabs, office applications, and media consumption. The quiet operation receives frequent positive mentions, with users appreciating that the cooling system keeps noise levels low during typical use.

Common themes in positive reviews include satisfaction with the multi-display capability, smooth Windows 11 Pro experience out of the box, and the surprisingly capable Radeon 780M graphics for casual gaming and video editing. Several reviewers specifically mention using the AM21 as a home server, HTPC, or replacement for aging desktop towers, praising its ability to deliver modern performance in a fraction of the space.

On the negative side, some customers express disappointment that the integrated graphics cannot run demanding games at high settings, though this expectation seems misaligned with the product’s positioning. A few reviews mention thermal throttling during extended heavy workloads, suggesting that while the cooling system handles typical tasks well, sustained maximum-load scenarios may see some performance reduction. Overall, the customer sentiment is overwhelmingly positive for users who understand the mini PC’s intended use case.

Conclusion

The KAMRUI AM21 with Ryzen 7 8745HS represents an excellent choice for users seeking desktop-class performance in a compact package. It’s ideal for home office professionals, content creators, developers running virtual machines, and anyone who values desk space but refuses to compromise on capability. The USB4 connectivity, quad-display support, and upgrade potential to 96GB RAM make it genuinely future-proof for productivity-focused users.

Those seeking a dedicated gaming rig or workstation for heavy 3D rendering should look elsewhere, as the integrated Radeon 780M graphics, while capable, cannot compete with discrete GPUs. However, for its intended audience of power users who need serious CPU performance, extensive connectivity, and the flexibility of a mini PC form factor, the AM21 delivers outstanding value at its price point.

For those looking to compare options, Starry Hope’s Mini PC Comparison Chart provides a valuable resource for evaluating how the AM21 stacks up against alternatives in its class.

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