KAMRUI
KAMRUI AM21 Mini PC, Ryzen 7 8745HS, 16GB DDR5 RAM, 1TB NVMe SSD
Bottom line: The KAMRUI AM21 Mini PC ($645.99 on Amazon as of 2026-10-21 04:13 UTC): Ryzen 7 8745HS: 8 cores/16 threads, 3.8GHz base, up to 4.9GHz boost; main trade-off: ships with 16GB; heavier VM workloads will want a RAM upgrade.
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*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Ryzen 7 8745HS: 8 cores/16 threads, 3.8GHz base, up to 4.9GHz boost
- ✓ Two SO-DIMM slots take DDR5 up to 96GB for VMs and containers
- ✓ Dual M.2 2280 PCIe 4.0 x4 slots; storage expands to 4TB
- ✓ Dual 1Gbps Ethernet ports suit firewall, router or dedicated LAN setups
- ✓ USB4 at 40Gbps with 100W PD plus dual HDMI 2.1 for up to four displays
Cons
- ✗ Ships with 16GB; heavier VM workloads will want a RAM upgrade
- ✗ M.2 slots are NVMe-only; SATA M.2 SSDs are not supported
- ✗ Ethernet tops out at 1Gbps; no 2.5GbE for faster NAS transfers
- ✗ Integrated Radeon 780M only; demanding games will need lower settings
Manufacturer description
The KAMRUI AM21 Mini PC fits an AMD Ryzen 7 8745HS into a compact desktop that can sit on a home lab shelf or behind a monitor. The Zen 4 chip has 8 cores and 16 threads. It runs at a 3.8GHz base clock and boosts up to 4.9GHz, which gives you room for virtual machines, containers, content creation and heavy multitasking. Graphics come from the integrated AMD Radeon 780M, built on RDNA 3. KAMRUI positions it for 1080p gaming, and it supports the AV1 codec. Out of the box you get 16GB of DDR5 across two SO-DIMM slots, expandable to 96GB, plus a 1TB M.2 2280 PCIe 4.0 x4 NVMe SSD. A second M.2…
SpecPicks Verdict
SpecPicks scored KAMRUI AM21 Mini PC using a rating × review-volume × price-fit model applied to published specs and reviews across the home ai / computer lab category. KAMRUI's home ai / computer lab lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for home ai / computer lab of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Frequently Asked Questions
How much RAM can the KAMRUI AM21 hold?
It ships with 16GB of DDR5 in two SO-DIMM slots and supports up to 96GB total, which makes it practical for running several VMs or containers.
Can I add a SATA SSD to the AM21?
No. It has two M.2 2280 slots, and both accept only PCIe NVMe drives. SATA SSDs are not supported. Total storage expands up to 4TB, and a 1TB PCIe 4.0 x4 NVMe SSD comes installed.
How many monitors can the KAMRUI AM21 run?
Up to four. It uses dual HDMI 2.1, a USB4 port that supports 8K video, and a second USB-C port.
Is the AM21 a good fit for a home lab or firewall box?
It has dual 1Gbps Ethernet ports that support teaming or a dedicated LAN, an 8-core/16-thread Ryzen 7 8745HS, and room for 96GB of RAM. If you need multi-gig networking, note that both ports are 1Gbps.
Can the KAMRUI AM21 play games without a graphics card?
Yes, at modest settings. Its integrated AMD Radeon 780M uses RDNA 3, and KAMRUI positions it for 1080p gaming. It also supports the AV1 codec for video playback.
Key Features
- Experience desktop-class power from a mini PC: The KAMRUI AM21 Mini PC is equipped with AMD Ryzen 7 8745HS processor, featuring the advanced “Zen 4” architecture with 8 cores/16 threads, a base frequency of 3.8GHz, with a peak boost clock of up to 4.9 GHz. It delivers a massive multi-core performance leap—approximately 18% faster than the Intel Core Ultra 7 155H, 24% faster than the AMD Ryzen 7 PRO 6850H, and 27% faster than the AMD Ryzen 7 7735HS. Whether tackling demanding games, professional content creation, or intensive multitasking, the AM21 unleashes your full potential
- Powerful Integrated Graphics Card - AMD Radeon 780M: The AM21 Mini Desktop PC features the AMD Radeon 780M, harnessing the power of the RDNA 3 architecture. It delivers a smooth 1080p gaming experience, offering twice the performance of Iris Xe graphics and rivaling dedicated graphics cards like the 1650. Supports AV1 codec for smoother, higher-quality 8K display. With this unmatched graphics capability, the KAMRUI AM21 Mini Gaming PC redefines the possibilities of mini gaming computers, delivering an ultimate visual experience
- 16GB DDR5 Memory & 1TB M.2 2280 PCIe4.0 x4 SSD: The KAMRUI AM21 Mini Desktop Computer features 16GB DDR5 RAM (16GB, 2x SO-DIMM slots, expandable up to 96GB), 1TB M.2 2280 NVMe PCIe 4.0 x4 SSD (2x M.2 2280 slots, expandable up to 4TB; Note: SATA SSD expansion not supported, M.2 NVMe only). The AM21 delivers ample performance and storage out of the box, with support for expanding to 96GB of memory and 4TB SSD, designed to meet your current and future computing needs
- Dual Ethernet, Wi-Fi 6, Bluetooth 5.2: The AM21 features dual Gigabit Ethernet ports (2x 1Gbps) supporting advanced networking options like teaming, dedicated LAN. Paired with the latest Wi-Fi 6 technology, it delivers exceptionally stable wireless connectivity for lag-free online gaming and smooth 4K streaming. Bluetooth 5.2 connects your favorite accessories with enhanced reliability and extended range, creating a truly seamless and clutter-free workspace
- USB4 and Lightning-Fast Ports: The AM21 Mini Computer features a complete set of ports for a powerful and clutter-free workstation. Its flagship USB4 (40Gbps, 8K video, 100W PD) and a second USB-C port enable blazing transfers and a stunning quad-display setup with dual HDMI 2.1. For daily use, it includes two front-facing USB 3.2 ports, USB 2.0 ports, and an 3.5mm audio jack。This all-in-one solution helps you create an efficient, clean, and organized workspace
- KAMRUI Care: We provide comprehensive, round-the-clock dedicated technical support for our products. Choose KAMRUI for an exceptional experience.
Full Specifications
| Brand | KAMRUI |
|---|---|
| Color | Black |
| RAM Type | DDR5 RAM |
| CPU Model | AMD Ryzen 7 |
| CPU Speed | 3.8 GHz |
| Cache Size | 16 MB |
| Model Name | AM21 |
| Model Year | 2023 |
| Resolution | 5120 x 2880 |
| Style Name | AM21 8745HS |
| Unit Count | 1 Count |
| KAMRUI Care | We provide comprehensive, round-the-clock dedicated technical support for our products. Choose KAMRUI for an exceptional experience. |
| Screen Size | 1 |
| Aspect Ratio | 16:10, 16:9 |
| Connectivity | Bluetooth, USB-C, WiFi |
| Memory Speed | 4800 MHz |
| Model Number | AM21 |
| Video Output | HDMI 2.1, USB4 |
| Compatibility | PC |
| Built-In Media | 1 x HDMI cable, 1 x KAMRUI AM21 8745HS Mini PC, 1 x Power Adapter, 1 x User Manual, 1 x VESA Mount with Screws |
Ready to buy?
KAMRUI AM21 Mini PC, Ryzen 7 8745HS, 16GB DDR5 RAM, 1TB NVMe SSD is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.
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