The market for mini PCs is often split between low-power entry-level units and expensive high-end workstations. The KAMRUI E3B offers a balanced solution. By integrating the AMD Ryzen V2748 processor—a chip originally designed for high-reliability industrial systems—into a small form factor chassis, KAMRUI provides professional-grade multitasking at a competitive price.

Whether you are looking to save desk space in your home office or need a machine capable of handling complex spreadsheets and 1080p video editing, the E3B delivers consistent processing speed in a device measuring just 5.1 x 5.1 x 1.8 inches.

Unboxing: Included Accessories and Setup Components

KAMRUI provides a pre-configured system that is ready for immediate use. The packaging is secure to ensure the hardware is protected during transit. The box includes a complete set of accessories, eliminating the need for additional purchases.

What’s in the Box?

• The KAMRUI E3B Mini PC: Pre-installed with Windows 11 Pro, which provides business features like remote desktop and data encryption.
• Power Adapter and Cable: A standard 19V/3.42A power supply that fits into standard power strips.
• HDMI Cable: Supports 4K video output at 60Hz.
• VESA Mounting Bracket: Includes necessary screws for attaching the PC to the back of a compatible monitor.
• User Manual: Technical instructions for initial configuration and hardware expansion.

First Impressions of the Build

The E3B has a solid, dense construction with a matte finish that does not show fingerprints. Ventilation grills are located on the sides and rear to facilitate airflow for the Ryzen V2748 chip. The front panel features a physical power button and high-speed USB ports for peripherals.

AMD Ryzen V2748 Performance: 8 Cores and 16 Threads

The technical highlight of the KAMRUI E3B is the AMD Ryzen Embedded V2748 processor. While most mini PCs in the sub-$300 price range utilize 4-core processors, this unit features 8 cores and 16 threads with a turbo frequency of up to 4.3GHz.

Benchmark Data

In standardized testing, the E3B demonstrates a significant advantage in multi-threaded workloads:

• Cinebench R23 Multi-Core: Approximately 8,400 - 8,600 points.
• Geekbench 5 Multi-Core: Approximately 6,100 points.

Real-World Application Performance

• Professional Multitasking: The 16 threads and 8MB Smart Cache allow the system to maintain stable performance while running 50+ browser tabs, a 4K video conference, and background data syncing simultaneously.
• Video and Image Editing: The high core count reduces rendering times in applications like Adobe Premiere Pro. The AMD Radeon RX Vega 7 (1.6GHz) graphics core allows for smooth 1080p video timeline scrubbing.
• Integrated Graphics: The system supports hardware-accelerated 4K video decoding. It can run eSports titles such as League of Legends and CS:GO at 1080p resolution with frame rates exceeding 60 FPS.

Design and Connectivity: Triple 4K Display Support

The physical layout of the KAMRUI E3B is designed for high-density peripheral support. Its dimensions of 5.1 x 5.1 x 1.8 inches allow it to fit into constrained workspaces.

Port Configuration

• Front Panel: 2x USB 3.2 Gen2 Type-A ports (10Gbps), 1x USB 3.2 Gen2 Type-C port (10Gbps, supports Data, DP 1.4, and PD), and a 3.5mm audio jack.
• Rear Panel: 4x USB 3.2 Gen1 Type-A ports (5Gbps), 1x HDMI 2.0 port, 1x DisplayPort 1.4b, and a Gigabit Ethernet port (RJ45).
• Triple Monitor Output: By utilizing the 1x HDMI 2.0, 1x DisplayPort 1.4b, and 1x Front Type-C port, the E3B can drive three 4K monitors at 60Hz simultaneously. This feature is specific to professionals in data analysis, stock trading, and software development.

Thermal Management

The cooling system consists of a dedicated copper heat sink and a silent cooling fan. During standard office tasks, the system operates at approximately 30dB. Under full CPU load, the fan noise remains below 45dB, preventing auditory distractions in a quiet office environment.

Storage and RAM Upgrades: Future-Proofing Specifications

A critical advantage of the KAMRUI E3B is its internal expandability. Users can modify the hardware to meet changing requirements without replacing the entire unit.

Memory (RAM)

• Factory Configuration: 16GB DDR4 3200MHz RAM.
• Maximum Upgrade: The motherboard contains two SO-DIMM slots supporting up to 64GB of DDR4 3200MHz RAM.

Storage (Dual M.2 Slots)

• Primary Slot: Pre-installed with a 512GB M.2 2280 SSD. This slot supports both NVMe PCIe 3.0 and SATA protocols.
• Secondary Slot: A second M.2 2280 slot is available specifically for SATA SSDs.
• Total Capacity: The system supports a combined storage capacity of up to 4TB, providing massive space for local backups or large datasets.

Best Use Cases

The hardware configuration of the KAMRUI E3B makes it suitable for several specific computing roles:

• Professional Home Office: Ideal for users who require high-speed multitasking across multiple office applications and web browsers.
• 4K Media Center: Supports hardware-accelerated 4K streaming and high-resolution output via HDMI, DP, or Type-C.
• Home Server (Homelab): The 8-core/16-thread CPU and dual M.2 storage slots make it a reliable host for Proxmox, Plex Media Server, or local network-attached storage (NAS) tasks.

Price-to-Performance and Longevity Analysis

In the current Amazon US market, the sub-$300 price bracket is often occupied by quad-core machines. The E3B provides a higher core-per-dollar ratio, which contributes to long-term hardware relevance.

Durability and Reliability

• Industrial Grade CPU: The Ryzen Embedded V2748 is rated for long-duration operation cycles, ensuring stability for 24/7 use cases.
• Processing Overhead: The 16 threads provide sufficient overhead to handle future Windows 11 updates and increasing software system requirements.

Final Verdict

The KAMRUI E3B is a specialized productivity tool that delivers workstation-level multitasking in a small form factor. It is designed for efficiency and long-term hardware utility.

Pros

• High Thread Count: 8 Cores and 16 Threads handle heavy workloads without system slowdown.
• High-Speed Ports: Includes 10Gbps USB 3.2 Gen2 ports and a full-function Type-C.
• Operating System: Includes Windows 11 Pro, supporting advanced encryption and remote desktop features.
• Multi-Monitor Support: Drives three 4K displays simultaneously via HDMI, DP, and Type-C.

Cons

• No USB4/Thunderbolt: Limited to 10Gbps Type-C speeds.
• Graphics Limitation: Optimized for productivity and light eSports gaming, not AAA titles.

Final Recommendation: The KAMRUI E3B is recommended for professionals, developers, and home server enthusiasts seeking high-performance hardware within a budget-friendly price range.

FAQ

Q: Does it support Windows 11 Pro features?

A: Yes, it comes pre-installed with Windows 11 Pro, which includes BitLocker and Remote Desktop support.

Q: Can I add a second SSD?

A: Yes, the unit features two M.2 2280 slots. One supports NVMe/SATA and the other supports SATA SSDs.

Q: What is the speed of the USB ports?

A: The front USB-A and Type-C ports are USB 3.2 Gen2 (10Gbps). The four rear USB-A ports are USB 3.2 Gen1 (5Gbps).

Q: What is the maximum resolution supported?

A: All three video outputs (HDMI 2.0, DP 1.4b, and Type-C) support up to 4K resolution at a 60Hz refresh rate.