KAMRUI Mini PC with Ryzen 7 PRO 5875U - Compact 4K Mini PC

In this review of the KAMRUI E3B Mini PC, the bottom line is simple: this compact desktop is built for users who want desktop-class CPU performance and flexible multi-display support in a small chassis. Powered by an AMD Ryzen 7 PRO 5875U with 8 cores and 16 threads, the unit delivers responsive everyday performance and smooth multitasking, while the triple 4K output and onboard WiFi 6 make it a practical choice for productivity setups and light content work. For anyone moving from a bulky tower or an older laptop, the E3B balances speed, connectivity, and space savings.

Key Features

• Processor: The Ryzen 7 PRO 5875U provides strong multi-threaded performance and improved single-thread speed for snappy web browsing and office work.
• Graphics and Displays: Integrated AMD Radeon RX Vega 8 lets the mini PC drive three 4K displays via DP1.4b, HDMI 2.0 and Type-C for expanded desktop and multitasking.
• Expandable Memory and Storage: Dual RAM slots support up to 64GB DDR4 and two M.2 2280 SSD bays allow generous NVMe or SATA storage for fast boot and application load times.
• Full-Function Type-C: The USB Type-C port supports PD charging, 10Gbps data transfer and 4K@60Hz display output for a single-cable workstation option.
• Connectivity: Dual 10Gbps USB3.2 Gen2 ports, four USB3.2 Gen1 ports, Ethernet and a 3.5mm jack provide abundant ports for peripherals and external drives.
• Wireless: Built-in WiFi 6 and Bluetooth 5.2 deliver higher wireless throughput and reduced latency for modern networks and accessories.

Who It's For

The KAMRUI E3B is aimed at professionals and power users who need a compact desktop that handles multitasking, office suites, web work, light photo editing and multiple external displays without a large footprint. Its strong CPU and dual-channel memory support make it a good fit for developers, remote workers, digital signage and small workstation roles.

Those who need top-end dedicated GPU performance for heavy 3D rendering or high-frame-rate AAA gaming should look elsewhere; the integrated Vega 8 is capable but not a substitute for a discrete graphics card. Users who require extensive internal drive bays or an internal optical drive will also find the small chassis limiting.

Pros & Cons

Pros

• Compact form factor with powerful Ryzen 7 PRO performance in a small footprint.
• Triple 4K display support and a full-function USB Type-C for flexible monitor setups.
• Fast boot and multitasking thanks to 16GB DDR4 and 512GB M.2 SSD, with room to expand.
• Modern wireless and wired connectivity including WiFi 6 and multiple 10Gbps USB ports.

Cons

• Integrated Radeon Vega 8 is suitable for light gaming but not for demanding GPU workloads.
• Small chassis limits the number of internal drives and full-size expansion options.

Specifications

Our Verdict

The KAMRUI E3B Mini PC offers a compelling mix of CPU power, expandability and modern connectivity in a compact chassis, making it great value for professionals who need a space-saving workstation with multi-monitor support. It is especially attractive for users who prioritize fast boot times, responsive multitasking and robust wireless networking, while those needing high-end discrete graphics should consider a different platform.

Frequently Asked Questions

Can this Mini PC drive three 4K monitors?
Yes; the combination of HDMI 2.0, DP1.4b and the USB Type-C DisplayPort alternate mode supports triple 4K output.

Is the memory upgradeable?
Yes; it ships with 16GB DDR4 and has two RAM slots that support up to 64GB (2 x 32GB DDR4).

Does it support fast WiFi?
Yes; the E3B includes WiFi 6 for higher wireless speeds and Bluetooth 5.2 for peripherals.