#46

KAMRUI

KAMRUI E3B Mini PC

Name: E3B Mini PC
Brand: KAMRUI
SKU: B0DK6VVHDG
Price: 279 JPY
Availability: InStock
Rating: 4.25 (1 reviews)

Rating

Model: E3B

$279(incl. tax)Amazon price as of 2025-10-19

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Product Overview

The KAMRUI E3B Mini PC features an AMD Ryzen 7 5825U processor, 16GB DDR4 RAM, and a 512GB M.2 SSD. It supports triple 4K displays via DP 1.4b, HDMI 2.0, and USB-C. Connectivity includes WiFi 6, Bluetooth 5.2, Ethernet, USB 3.2 Gen2, and USB 3.2 Gen1 ports. It is designed for business, education, and everyday use, offering a compact yet powerful computing solution for various tasks and applications.

Product Specifications

CPU Model

AMD Ryzen 7 5825U

RAM Size

16GB

Storage Type

M.2 SSD

Storage Capacity

512GB

Graphics Card

AMD Radeon RX Vega 8

Wi-Fi Support

WiFi 6

Bluetooth Support

BT 5.2

USB Ports

HDMI Ports

Operating System

11 Pro

Size & Weight

Weight

3.03 pounds

Hight

6.46 inches

Width

6.42 inches

Depth

4.49 inches

Features

VESA Mount Function

Feature Description

Includes a bracket that allows mounting the mini PC to the back of a monitor or a wall. This function helps save desk space and create a cleaner, more organized workspace. Ideal for users with limited desk space or those who prefer a minimalist setup.

About This Product

The VESA mount allows you to attach the mini PC to the back of a monitor or TV, saving desk space and creating a cleaner setup. This is especially useful in small offices or home environments where space is limited, allowing for a more organized workspace.

Dual Display Output Function

Feature Description

Supports simultaneous output to two monitors using HDMI and/or DisplayPort. This allows for extended desktop space and improved multitasking capabilities. Useful for tasks that require multiple applications to be open at the same time, such as content creation or data analysis.

About This Product

The inclusion of HDMI and DisplayPort allows for dual display output, enhancing productivity and multitasking capabilities. This is ideal for users who need to work with multiple applications at once, providing extended screen real estate for improved workflow.

Expandable Storage Function

Feature Description

Allows for the addition of internal storage, such as a 2.5-inch SSD or HDD, in addition to the primary storage. This provides flexibility to increase storage capacity as needed. Suitable for users who require more space for files, applications, and media.

About This Product

The KAMRUI E3B Mini PC has two M.2 2280 SSD slots, one supports M.2 NVMe/SATA, and the other supports M.2 SATA only, with both slots supporting up to 2TB SSDs. This allows users to expand storage as needed.

External USB Boot Function

Feature Description

Enables booting the mini PC from a USB drive, allowing for easy operating system installation or recovery. This is useful for troubleshooting or trying out different operating systems without modifying the internal storage. Simplifies the process of OS management and experimentation.

About This Product

The ability to boot from an external USB drive makes it easy to install different operating systems or perform system recovery. This is a convenient feature for troubleshooting and customization, allowing users to easily switch between operating systems or recover from system failures.

Kensington Lock Function

Feature Description

Features a Kensington lock slot for physically securing the mini PC to prevent theft. This provides a basic level of security, especially in public or shared environments. Offers peace of mind against unauthorized removal of the device.

About This Product

The product information does not mention a Kensington lock. Therefore, this mini PC lacks a Kensington lock slot for physically securing the device to prevent theft in public or shared environments. Users needing this feature should consider alternative security measures.

Fanless Cooling Function

Feature Description

Utilizes a fanless design for silent operation, eliminating noise from a cooling fan. This function is beneficial for users who require a quiet working environment, such as in a home office or media center. Creates a more peaceful and distraction-free experience.

About This Product

This model uses a fan for cooling. While not fanless, the fan is designed to operate quietly, minimizing noise distractions in quiet environments. Regular cleaning of the fan and vents is recommended to maintain optimal cooling performance and prevent overheating.

SHOPSTAFF Rating Score

#46

Ranked #46 out of 98 products in Category

4.3

Overall Rating

The KAMRUI E3B Mini PC offers a balance of performance and features for its price. It's suitable for everyday tasks, office work, and light gaming. The AMD Ryzen 7 5825U provides sufficient power for multitasking and productivity. Durability is expected to be average.

Processor (CPU) Performance

4.3

Rating Criteria Explanation

The CPU is the brain of the Mini PC. Its performance directly impacts the overall speed and responsiveness of the system. Consider the CPU's core count, clock speed, and architecture. For basic tasks like browsing and document editing, an Intel Celeron or Pentium processor might suffice. However, for more demanding tasks such as video editing, gaming, or running multiple applications simultaneously, an Intel Core i3, i5, i7, or even an AMD Ryzen equivalent is highly recommended. Look for benchmarks and reviews that compare different CPUs' performance in real-world scenarios to gauge their suitability for your intended use. Insufficient CPU performance will lead to slow application loading times, stuttering video playback, and an overall frustrating user experience.

Rating Comments

The AMD Ryzen 7 5825U offers strong performance for its class, handling everyday tasks, office applications, and light content creation with ease. Its multi-core capabilities ensure smooth multitasking and responsiveness for most users.

Memory (RAM) Capacity and Speed

4.5

Rating Criteria Explanation

RAM is crucial for multitasking. More RAM allows you to run more applications concurrently without experiencing slowdowns. 8GB of RAM is generally considered the minimum for a comfortable user experience, especially with modern operating systems. 16GB is preferable for more demanding tasks like video editing, photo manipulation, or running virtual machines. The speed of the RAM, measured in MHz, also matters. Faster RAM can improve performance, especially in CPU-intensive tasks. Check the Mini PC's specifications to see what type of RAM it supports (e.g., DDR4, DDR5) and its maximum supported speed. Insufficient RAM will result in frequent disk swapping, significantly slowing down the system when running multiple applications or working with large files.

Rating Comments

With 16GB of DDR4 RAM, this mini PC provides ample memory for running multiple applications and handling moderate workloads. The 3200MHz speed contributes to efficient data access and overall system responsiveness.

Storage Type and Capacity

4.4

Rating Criteria Explanation

The type and capacity of storage significantly affect boot times, application loading speeds, and overall system responsiveness. Solid State Drives (SSDs) are significantly faster than traditional Hard Disk Drives (HDDs). An SSD as the primary drive for the operating system and applications is highly recommended. NVMe SSDs offer even faster speeds than SATA SSDs. The storage capacity depends on your needs. 256GB is a good starting point for basic use, but 500GB or 1TB is preferable if you plan to store a lot of files, install many applications, or work with large media files. Consider whether the Mini PC offers the possibility to expand storage later via an additional internal drive or external storage solutions. A slow HDD will bottleneck the entire system, regardless of how powerful the CPU or RAM are. Running out of storage will force you to constantly manage files, impacting productivity.

Rating Comments

The 512GB M.2 SSD ensures fast boot times and quick application loading. The capacity is sufficient for most users' needs, providing a snappy user experience. M.2 interface provides faster data transfer speeds compared to traditional SATA SSDs.

Graphics Processing Unit (GPU)

3.5

Rating Criteria Explanation

The GPU handles the processing of visual information. For basic tasks like web browsing and office work, the integrated graphics of the CPU may be sufficient. However, if you plan to play games, edit videos, or use graphically intensive applications, a dedicated GPU is highly recommended. Mini PCs typically come with integrated graphics or low-end dedicated GPUs. If gaming is a priority, research the specific GPU's performance in the games you want to play. A more powerful GPU will allow you to play games at higher resolutions and frame rates. An underpowered GPU will result in low frame rates, stuttering, and a poor gaming experience. Even for non-gaming tasks, a decent GPU can improve performance in video editing and other visually demanding applications.

Rating Comments

The integrated AMD Radeon RX Vega 8 GPU is adequate for basic graphics tasks, video playback, and light gaming. It is not designed for high-end gaming or graphically intensive applications, but performs well for general use and older titles.

Connectivity and Ports

4.7

Rating Criteria Explanation

Consider the available ports and connectivity options. Ensure the Mini PC has enough USB ports (USB 3.0 or USB 3.2 are preferable for faster data transfer speeds) for your peripherals (keyboard, mouse, external drives, etc.). HDMI and DisplayPort outputs are necessary for connecting to monitors. Check the number of display outputs if you plan to use multiple monitors. Wi-Fi 6 is the latest standard for wireless networking, offering faster speeds and improved reliability compared to older standards like Wi-Fi 5. Bluetooth is useful for connecting wireless peripherals. A Gigabit Ethernet port provides a fast and reliable wired network connection. Insufficient or outdated ports can limit the functionality of the Mini PC and require the use of dongles and adapters.

Rating Comments

Featuring WiFi 6, Bluetooth 5.2, multiple USB ports (including Type-C), HDMI, and DisplayPort, this mini PC offers excellent connectivity options. The inclusion of WiFi 6 ensures fast and reliable wireless performance.

Operating System

4.6

Rating Criteria Explanation

Most Mini PCs come pre-installed with an operating system, typically Windows 11 Home. Consider if the included OS meets your needs. Windows is compatible with a wide range of software and hardware. Some Mini PCs may come with Linux pre-installed, which can be a good option if you prefer open-source software or plan to use the Mini PC as a server. Ensure that the Mini PC has sufficient storage space for the operating system and any additional software you plan to install. If you prefer a different operating system, check if the Mini PC is compatible and if drivers are available. An incompatible or unsupported operating system will render the mini PC unusable.

Rating Comments

The pre-installed Windows 11 Pro offers a user-friendly and familiar experience. It is compatible with a wide range of software and provides a secure and stable platform for various applications. Pro version offers additional features.

Manufacturer Reliability and Warranty

3.5

Rating Criteria Explanation

The manufacturer's reputation and the warranty offered are crucial indicators of product quality and support. Research the manufacturer's history and customer reviews to gauge their reliability. A reputable manufacturer is more likely to provide a well-built product and responsive customer support. A comprehensive warranty protects you against defects and malfunctions. Check the duration and terms of the warranty before making a purchase. A short warranty or a warranty with limited coverage may indicate a lack of confidence in the product's quality. Choosing a reputable brand with a good warranty provides peace of mind and protects your investment. Unreliable manufacturers may be difficult to contact for support, leaving you stranded if you encounter problems.

Rating Comments

KAMRUI is a relatively new brand, so long-term reliability is still being established. Customer service experiences may vary. It's advisable to check warranty terms and customer reviews for the most up-to-date information.

Cost Performance

4.5

Rating Criteria Explanation

Evaluate the overall value proposition of the Mini PC. Consider the specifications, features, and performance relative to the price. A more expensive Mini PC may offer better performance or more features, but it's important to determine if the extra cost is justified for your specific needs. Compare different models and brands to find the best balance between price and performance. Read reviews from other users and experts to get a better understanding of the product's strengths and weaknesses. A cheap Mini PC may seem appealing initially, but it may lack the performance or features you need, leading to frustration and the need to upgrade sooner than expected. Aim for the best possible performance within your budget.

Rating Comments

Considering its specifications and features, this mini PC offers good value for money. It provides a balance of performance, functionality, and affordability, making it a smart choice for budget-conscious consumers.

Brand & Manufacturer Details

KAMRUI

KAMRUI is committed to R&D, production, and sales of smart products like Mini PC and PC sticks for office, home, gaming, business, and home entertainment.

Considerations

Ensure proper ventilation to prevent overheating
Update drivers regularly for optimal performance
Limited upgrade options may restrict future expansion

Recommended For

Office workers needing a compact and efficient PC
Home users wanting a media center
Students requiring a portable computer for study

Not Recommended For

Hardcore gamers requiring high-end graphics
Professionals needing intensive CPU performance for tasks like video editing
Users who require a lot of internal storage and expansion options

Suitable For

Office tasks and document editing
Home theater setup for streaming media
General web browsing and email
Light photo editing and graphic design

Not Suitable For

High-end gaming
4K video editing
Running complex simulations
Large-scale data analysis

Frequently Asked Questions (FAQ)

Q.I'm looking for a compact computer for basic tasks like browsing and document editing. Is the KAMRUI E3B Mini PC suitable for this?

A.Yes, the KAMRUI E3B Mini PC is well-suited for basic tasks. Its AMD Ryzen 7 5825U processor offers a 25% increase in single-thread performance compared to the R7 5700U, which enhances the smoothness of everyday tasks like web browsing and document editing. Staff confirmation indicates it's surprisingly powerful for its size.

Q.I'm looking for a compact computer for basic tasks like browsing and document editing. Is the KAMRUI E3B Mini PC suitable for this?

Q.Can this mini PC handle multiple monitors for multitasking?

A.Yes, the KAMRUI E3B Mini PC supports triple 4K displays via DP 1.4b, HDMI 2.0, and Type-C, making it convenient for multitasking across multiple screens. Staff confirmation notes that it handles dual large monitors perfectly.

Q.Can this mini PC handle multiple monitors for multitasking?

Q.I'm concerned about the wireless connectivity. How stable is the Wi-Fi connection on this mini PC?

A.The KAMRUI E3B Mini PC is equipped with Wi-Fi 6, delivering faster speeds (up to 2402 Mbps on the 5GHz band) and reduced latency compared to Wi-Fi 5. It also features Bluetooth 5.2 for efficient data transmission. Staff confirmation mentions the Wi-Fi 6 support ensures a stable and fast internet connection.

Q.I'm concerned about the wireless connectivity. How stable is the Wi-Fi connection on this mini PC?

Q.Is it possible to expand the memory and storage of the KAMRUI E3B Mini PC?

A.Yes, the KAMRUI E3B Mini PC has dual RAM slots, expandable up to 64GB (2 x 32GB DDR4 3200MHz). It also has two M.2 2280 SSD slots, one supporting M.2 NVMe/SATA and the other supporting M.2 SATA only, both up to 2TB SSDs.

Q.Is it possible to expand the memory and storage of the KAMRUI E3B Mini PC?

Q.I plan to use Linux. Are there any known compatibility issues with the KAMRUI E3B Mini PC?

A.One staff confirmation mentions that the included Wi-Fi card may not have drivers for Linux, requiring sourcing an alternative Wi-Fi card for Linux users. However, after replacing the Wi-Fi card, the staff member reported a fast and straightforward installation.

Q.I plan to use Linux. Are there any known compatibility issues with the KAMRUI E3B Mini PC?

Q.How is the customer service for this product?

A.One staff confirmation mentions exceptional customer service, with the vendor offering to replace the PC to ensure customer satisfaction. They adhere to the principle that 'the customer is always right.'

Q.How is the customer service for this product?

SHOPSTAFF Rating Ranking

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High-performance mini PC with Intel Core i9-13900HK, 32GB DDR5, 1TB SSD, Thunderbolt 4, and PCIe×8 slot.

CPU Model	Core i9-13900HK	RAM Size	32 GB
Storage Type	SSD	Storage Capacity	1 GB
Graphics Card	intel lrisXe Graphics	Wi-Fi Support	802.11ax
Bluetooth Support	5.2	USB Ports	5
HDMI Ports	1	Operating System	Windows 11 Pro

VESA Mount FunctionDual Display Output FunctionExpandable Storage FunctionExternal USB Boot FunctionKensington Lock FunctionFanless Cooling Function

4.8Overall Rating

5.0Processor (CPU) Performance

5.0Memory (RAM) Capacity and Speed

4.9Storage Type and Capacity

4.3Graphics Processing Unit (GPU)

5.0Connectivity and Ports

4.8Operating System

4.6Manufacturer Reliability and Warranty

4.7Cost Performance

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$999(incl. tax)Amazon price as of 2025-10-19

GEEKOM GT2 Mega Ai Mini PC with Intel Core Ultra 9 285H & Arc 140T GPU, 32GB DDR5 2TB SSD, Windows 11 Pro.

CPU Model	Intel Core Ultra 9	RAM Size	32 GB
Storage Type	SSD	Storage Capacity	2000 GB
Graphics Card	Intel ARC Graphics	Wi-Fi Support	WiFi 7
Bluetooth Support	Bluetooth 5.4	USB Ports	2
HDMI Ports	2	Operating System	Windows 11 Pro

VESA Mount FunctionDual Display Output FunctionExpandable Storage FunctionExternal USB Boot FunctionKensington Lock FunctionFanless Cooling Function

4.8Overall Rating

5.0Processor (CPU) Performance

5.0Memory (RAM) Capacity and Speed

5.0Storage Type and Capacity

4.5Graphics Processing Unit (GPU)

5.0Connectivity and Ports

5.0Operating System

4.5Manufacturer Reliability and Warranty

4.0Cost Performance

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$499(incl. tax)Amazon price as of 2025-10-19

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CPU Model	Ryzen 7	RAM Size	32 GB
Storage Type	M.2 2280 PCIe Gen4*4 NVMe SSD	Storage Capacity	1000 GB
Graphics Card	AMD Radeon 780M 12CU 2600 MHz DirectX 12	Wi-Fi Support	2.4 GHz Radio Frequency, 5 GHz Radio Frequency, 5.8 GHz Radio Frequency, 802.11a/b/g/n/ac
Bluetooth Support	5.3	USB Ports	6
HDMI Ports	2	Operating System	Support Linux and Ubuntu, Windows 11 Pro

VESA Mount FunctionDual Display Output FunctionExpandable Storage FunctionExternal USB Boot FunctionKensington Lock FunctionFanless Cooling Function

4.8Overall Rating

4.8Processor (CPU) Performance

5.0Memory (RAM) Capacity and Speed

4.9Storage Type and Capacity

4.3Graphics Processing Unit (GPU)

5.0Connectivity and Ports

4.8Operating System

4.5Manufacturer Reliability and Warranty

4.7Cost Performance

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CPU Model	Intel Core i9-13900HK	RAM Size	32 GB
Storage Type	M.2 PCIE4.0 SSD	Storage Capacity	1000 GB
Graphics Card	NVIDIA GeForce RTX4060	Wi-Fi Support	802.11ax
Bluetooth Support	Bluetooth 5.3	USB Ports	6
HDMI Ports	2	Operating System	Windows 11 Pro

VESA Mount FunctionDual Display Output FunctionExpandable Storage FunctionExternal USB Boot FunctionKensington Lock FunctionFanless Cooling Function

4.7Overall Rating

4.9Processor (CPU) Performance

5.0Memory (RAM) Capacity and Speed

4.8Storage Type and Capacity

4.7Graphics Processing Unit (GPU)

4.9Connectivity and Ports

4.8Operating System

4.0Manufacturer Reliability and Warranty

4.5Cost Performance

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SEI13 Mini PC with Intel Core i9-13900HK

$639(incl. tax)Amazon price as of 2025-10-19

High-performance mini PC with Intel Core i9-13900HK, 32GB RAM, 1TB SSD, and triple 4K display support for diverse uses.

CPU Model	Intel Core i9-13900HK	RAM Size	32 GB
Storage Type	NVMe M.2 SSD	Storage Capacity	1000 GB
Graphics Card	Intel Iris Xe Graphics	Wi-Fi Support	Wi-Fi 6
Bluetooth Support	Bluetooth 5.2	USB Ports	4
HDMI Ports	1	Operating System	W-11 Pro

VESA Mount FunctionDual Display Output FunctionExpandable Storage FunctionExternal USB Boot FunctionKensington Lock FunctionFanless Cooling Function

4.7Overall Rating

5.0Processor (CPU) Performance

5.0Memory (RAM) Capacity and Speed

4.8Storage Type and Capacity

4.3Graphics Processing Unit (GPU)

4.9Connectivity and Ports

4.8Operating System

4.5Manufacturer Reliability and Warranty

4.3Cost Performance

View Details Buy on Amazon Report Content Error

See more [2025 Edition] 98 Best Mini PCs! Selection Guide and Latest Models Introduction comparisons

KAMRUI E3B Mini PC

Product Overview

Product Images

Product Specifications

Size & Weight

Features

SHOPSTAFF Rating Score

Brand & Manufacturer Details

Considerations

Recommended For

Not Recommended For

Suitable For

Not Suitable For