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KAMRUI E3B Mini PC, AMD Ryzen 5 7530U, 16GB LPDDR4X, 512GB SSD | Up to 4.5GHz, Mini Gaming PC, Triple 4K display, USB-C, WiFi 6, Bluetooth 5.2, Compact Desktop Computer
KAMRUI

KAMRUI E3B Mini PC

Bottom line: The KAMRUI E3B Mini PC ($429.99 on Amazon as of 2026-10-06): Ryzen 5 7430U, 6 cores/12 threads, boosts to 4.3GHz; main trade-off: vega 7 iGPU handles light gaming only, not AAA titles.

$429.99

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Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Ryzen 5 7430U, 6 cores/12 threads, boosts to 4.3GHz
  • ✓ 25% higher single-thread vs R5 5500U per KAMRUI
  • ✓ Drives three 4K displays via DP 1.4b, HDMI 2.0, Type-C
  • ✓ Full-function USB-C: 10Gbps data, 4K/60Hz, PD charging
  • ✓ Dual RAM slots to 64GB, dual M.2 slots to 2TB each

Cons

  • ✗ Vega 7 iGPU handles light gaming only, not AAA titles
  • ✗ DDR4-3200, not faster DDR5 found on newer mini PCs
  • ✗ Second M.2 slot is SATA-only, no NVMe speeds there
  • ✗ 15W base TDP caps sustained heavy multicore loads

SpecPicks Verdict

SpecPicks scored KAMRUI E3B Mini PC using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis 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.

Video review

AMD Ryzen Powered Mini PC - Kamrui E3B Review — TechfulGoodies on YouTube

Key Features

  • Powerful Mini Computer: KAMRUI E3B Mini PC with AMD Ryzen 5 7530U (6 cores, 12 threads), Zen 3 architecture, 15W TDP, up to 28W, base clock frequency of 2.0 GHz, up to 4.5GHz. Its single-thread performance is 25% higher than the R5 5500U, which enhances the smoothness of everyday tasks that rely on single-thread performance, such as web browsing, document editing, and email management
  • Full-Function Type-C Port: This Mini Gaming PC includes a full-function Type-C port that supports charging, data transfer (10Gbps), and 4K/60Hz display output, providing ultimate convenience and efficiency
  • Expandable Storage: The KAMRUI E3B mini PC comes standard with 16GB of LPDDR4X memory (non-upgradeable). It also 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
  • Stable Wireless Connection: Equipped with WiFi 6, this mini Desktop Computer delivers faster speeds, up to 2402 Mbps on the 5GHz band, reducing latency and congestion. Compared to WiFi 5, it offers double the wireless range. Bluetooth 5.2 enables more efficient data transmission, which is crucial for devices running multiple applications
  • Triple 4K Display: This desktop computer features an AMD Radeon RX Vega 7 GPU with 7 cores, a 1800MHz frequency, providing sufficient graphics processing power while maintaining power efficiency. With DP 1.4b, HDMI 2.0, and Type-C, it supports three 4K displays, enabling convenient multitasking
  • Comprehensive Connectivity: This mini pc gaming comes with 1x Ethernet, 2x USB3.2 Gen2 (10Gbps), 4x USB3.2 Gen1 Type-A (5Gbps), 1x USB3.2 Gen2 Type-C (supporting DP1.4, 10Gbps data transfer, PD output), 1x HDMI 2.0, 1x DP 1.4b, and 1x 3.5mm audio jack, giving you robust connectivity options for handling a wide range of tasks and connecting devices such as external drives, monitors, keyboards, and mice

Full Specifications

BrandKAMRUI
ColorBlack
RAM TypeDDR4 SDRAM
CPU ModelRyzen 5
CPU Speed4.5 GHz
Cache Size16 MB
Model NameE3B
Model Year2021
Resolution3840x2160 pixels
Style NameE3B 7530U
Unit Count1 Count
Aspect Ratio16:9
ConnectivityBluetooth, USB-C, WiFi
Display TypeExternal
Memory Speed3733 MHz
Model NumberE3B
Speaker TypeExternal Speakers Required
Video OutputHDMI, DisplayPort
CompatibilityPC
Built-In MediaHDMI Cable, KAMRUI E3B Mini Computer AMD Ryzen 5 7530U, Power Supply & Cable, User Manual, VESA Mount and Screws
Full listing titleKAMRUI E3B Mini PC, AMD Ryzen 5 7530U, 16GB LPDDR4X, 512GB SSD | Up to 4.5GHz, Mini Gaming PC, Triple 4K display, USB-C, WiFi 6, Bluetooth 5.2, Compact Desktop Computer

Ready to buy?

KAMRUI E3B Mini PC, AMD Ryzen 5 7530U, 16GB LPDDR4X, 512GB SSD | Up to 4.5GHz, Mini Gaming PC, Triple 4K display, USB-C, WiFi 6, Bluetooth 5.2, Compact Desktop Computer 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.

Buy on Amazon — $429.99

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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