KAMRUI AM21 Mini PC, AMD Ryzen 7 8745HS (8C/16T, up to 4.9GHz), 32GB DDR5 5600MHz RAM, 1TB M.2 2280 PCIe 4.0 SSD, Mini Desktop Computer with Radeon 780M, USB4, Quad Display, Dual LAN, HDMI, WiFi 6
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AI Verdict
This mini PC packs an AMD Ryzen 7 8745HS, Radeon 780M, 32GB DDR5, and 1TB PCIe 4.0 SSD into a compact form factor for demanding tasks.
This mini PC is a strong fit for users needing desktop-class performance in a small footprint, thanks to its AMD Ryzen 7 8745HS processor and Radeon 780M graphics. The 32GB DDR5 RAM and 1TB PCIe 4.0 SSD provide ample power and speed for demanding applications and multitasking.
If this isn't enough, look for mini PCs with a dedicated, higher-tier discrete GPU for more intensive gaming or 3D rendering workloads.
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Pros
- Equipped with an AMD Ryzen 7 8745HS processor, it offers an 18% multi-core performance increase over the Intel Core Ultra 7 155H.
- The integrated Radeon 780M GPU delivers 1080p gaming performance, rivaling dedicated graphics cards like the 1650.
- Features 32GB of 5600MHz DDR5 RAM, expandable up to 96GB, providing ample memory for multitasking.
- Includes a 1TB M.2 2280 NVMe PCIe 4.0 x4 SSD, with support for up to 4TB expansion across two M.2 slots.
- Offers extensive connectivity with USB4 (40Gbps, 8K video, 100W PD), dual HDMI 2.1, dual Gigabit Ethernet (one 2.5Gbps, one 1Gbps), and Wi-Fi 6.
- Supports a quad-display setup with 4K resolution, making it suitable for complex workstations.
Cons
- The integrated Radeon 780M, while capable, is not designed for ultra high-end gaming or 3D rendering compared to a dedicated desktop GPU.
- Some peripherals might require adapters due to the compact design and specific port types.
- M.2 SATA SSD expansion is not supported, limiting storage upgrade options to NVMe drives only.
- The product's release date is in the future (October 29, 2025), so long-term user feedback on reliability and performance under sustained load is not yet available.
Dimension Scores
The AMD Ryzen 7 8745HS processor with 8 cores/16 threads and a boost clock up to 4.9GHz offers an 18% multi-core performance lead over the Intel Core Ultra 7 155H.
It supports RAM expansion up to 96GB DDR5 and SSD expansion up to 4TB across two M.2 NVMe PCIe 4.0 slots.
Pre-release information mentions a 4500 RPM high-speed silent fan and all-metal cooling with dual air inlets designed to maintain stable performance under heavy workloads.
Pre-release reviews suggest a compact design with a cooling system that ensures stable performance, implying a focus on functional construction.
Best For
- Content creators needing a compact workstation for video editing and graphic design.
- Professionals requiring a multi-monitor setup for intensive multitasking and data analysis.
- Users seeking a small form factor PC for light to moderate 1080p gaming.
- Home office setups where space is limited but high performance is essential.
Not Recommended For
- Hardcore gamers expecting high refresh rates and resolutions in AAA titles.
- Users who require extensive internal expansion bays for multiple SATA drives.
- Individuals needing a PC for heavy 3D rendering or complex scientific simulations that demand a discrete high-end GPU.
Watch Out For
- No real user feedback is available yet as the product's release date is October 29, 2025, so potential issues like thermal throttling or driver stability are unknown.
- The integrated GPU, while powerful for its class, will not match the performance of a dedicated high-end graphics card for demanding applications or games.
- Storage expansion is limited to M.2 NVMe PCIe SSDs, meaning older or cheaper SATA SSDs cannot be used for internal upgrades.
Full Specifications
| RAM | 32 GB DDR5 |
| ASIN | B0FX3P76CJ |
| Brand | KAMRUI |
| Color | Black |
| Series | AM21 |
| CPU Model | AMD Ryzen 7 |
| CPU Speed | 3.8 GHz |
| Processor | 3.8 GHz amd_ryzen_7 |
| Cache Size | 16 MB |
| Hard Drive | 1 TB SSD |
| Item Weight | 2.59 pounds |
| Memory Speed | 4.9 GHz |
| Chipset Brand | AMD |
| Wireless Type | 802.11ac, Bluetooth |
| Processor Brand | AMD |
| Card Description | Integrated |
| Operating System | 11 Pro |
| Flash Memory Size | 16 MB |
| Item model number | AM21 |
| Screen Resolution | 3840 x 2160 |
| Package Dimensions | 6.93 x 6.85 x 4.02 inches |
| Computer Memory Type | DDR5 RAM |
| Graphics Coprocessor | AMD Radeon 780M |
| Hard Drive Interface | PCIE x 4 |
| Number of Processors | 1 |
| Max Screen Resolution | 5120 x 2880 Pixels Per Inch |
| Graphics Card Ram Size | 32 GB |
| Memory Storage Capacity | 1 TB |
| Number of USB 2.0 Ports | 2 |
| Number of USB 3.0 Ports | 2 |
| Graphics Card Description | Integrated |
| Specific Uses For Product | Education, Everyday Use, Gaming |
| Standing screen display size | 1 |
| Personal computer design type | Mini PC |
What Buyers Say
As the KAMRUI AM21 Mini PC is not yet released (Date First Available: October 29, 2025), there are no actual customer reviews or long-term user experiences available to summarize. Information is currently based on product specifications and pre-release promotional content.
“Can't really say yet, it's not even out! But the specs look wild for a tiny box.”
Frequently Asked Questions
What operating system does the KAMRUI AM21 Mini PC come with?
The KAMRUI AM21 Mini PC comes pre-installed with Windows 11 Pro.
Can I upgrade the RAM and storage?
Yes, the 32GB DDR5 RAM (2x 16GB) can be expanded up to 96GB across two SO-DIMM slots. The 1TB M.2 2280 NVMe PCIe 4.0 x4 SSD can be expanded up to 4TB using the two M.2 2280 slots, which only support NVMe PCIe drives.
Does it support multiple monitors?
Yes, it supports a quad-display setup with 4K resolution via its USB4 port and dual HDMI 2.1 ports.
Is the integrated graphics card capable of gaming?
The AMD Radeon 780M integrated GPU is capable of delivering a smooth 1080p gaming experience and is noted to rival dedicated graphics cards like the 1650.
What kind of network connectivity does it have?
It features dual Gigabit Ethernet ports (one 2.5Gbps, one 1Gbps) for wired connections and Wi-Fi 6 for stable wireless connectivity.
Buying Guide
When looking at mini PCs like this, you're trading size for raw power and internal expansion. You need to think about what you'll actually plug into it and if the integrated graphics are enough for your games or creative apps. Don't expect to upgrade a discrete GPU later, so what's inside is what you get for graphics performance.
Processor (AMD Ryzen 7 8745HS)
This is the brain of the computer. A higher-end processor like this means your PC can handle more complex tasks, open applications faster, and multitask without slowing down, similar to how a more powerful engine makes a car accelerate quicker.
RAM (32GB DDR5 5600MHz)
RAM is like your computer's short-term memory. 32GB of fast DDR5 RAM means you can have many browser tabs open, run multiple demanding programs (like video editors or design software), and switch between them smoothly without your PC feeling sluggish.
Storage (1TB M.2 2280 PCIe 4.0 SSD)
This is where your operating system, programs, and files live. A 1TB PCIe 4.0 SSD is incredibly fast, meaning your computer boots up in seconds, applications launch almost instantly, and large files transfer very quickly, like having a super-fast highway for your data.
GPU (Radeon 780M)
The GPU handles all the visuals. The integrated Radeon 780M is a powerful integrated graphics chip, meaning it's built into the processor. It's capable of playing many games at 1080p and accelerating tasks like video encoding, making it much better than basic integrated graphics, but not as powerful as a dedicated, separate graphics card for extreme gaming.
Alternatives
If this mini PC doesn't quite fit, look for models with a dedicated, higher-tier graphics card for more demanding gaming or 3D rendering, or consider larger desktop towers if you need extensive internal expansion for multiple hard drives and future component upgrades.
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