Ultra-compact Mini PC with AMD Ryzen™ 3 mobile processor. Reliable everyday performance with Windows 11 Home or Pro – for Home Office, Business, Media Center, and eSports casual gaming.
Efficient Processor Performance
The CSL Narrow Box 4300U is the ideal choice for anyone looking for a space-saving, quiet, and energy-efficient desktop solution. Whether for productive work in the home office, 4K streaming, digital signage, or casual eSports games like League of Legends: this Mini PC series impresses with smart connectivity and flexible M.2 storage options.
Pre-configured and ready to use with Windows 11 Home or Windows 11 Pro
Highlights
Six key features that make this Mini PC the perfect choice for efficient work and entertainment systems.
AMD Ryzen™ 3 4300U
4 Cores / 4 Threads · up to 3.7 GHz
Energy-efficient 7nm mobile processor with high single-core performance for fast response times in Windows, office applications, and multitasking.
AMD Radeon™ RX Vega 5
Integrated Graphics · Triple 4K@60Hz
Integrated onboard graphics supporting up to three 4K displays simultaneously (2x HDMI 2.0, 1x USB-C) and solid performance for eSports titles.
DDR4 Memory
2× SO-DIMM (up to 32 GB RAM)
Two SO-DIMM slots offer future-proof RAM expansion up to 32 GB with dual-channel support for smooth performance without bottlenecks.
Dual M.2 Storage
1× M.2 2280 + 1× M.2 2242
Combination of two M.2 PCIe NVMe/SATA slots for seamless storage upgrades and lightning-fast system access in a compact chassis.
Wi-Fi 6 & Bluetooth 5.4
Gigabit LAN · Dual-Band Wi-Fi 6 AX900
Built-in Realtek 8851BE M.2 module for fast Wi-Fi 6 (up to 600 Mbps) and Bluetooth 5.4, complemented by physical Gigabit LAN for ultra-stable networking.
IT & Business Support
Wake on LAN · WoP · PXE Boot
Remote management and automation functions (WoL, WoP, PXE) plus full support for Windows 11 Home and Windows 11 Pro.
The CSL Narrow Box 4300U is based on the AMD Ryzen™ 3 4300U mobile processor of the "Renoir" generation. Manufactured using TSMC's advanced 7nm process, this CPU combines remarkable energy efficiency with reliable computing power for daily tasks. Featuring 4 native CPU cores and clock speeds up to 3.7 GHz, this Mini PC effortlessly manages spreadsheets, video conferences, multi-tab browsing, and media playback.
A key highlight of the series is its dual M.2 storage concept: The MP15A motherboard features two slots (1x M.2 2280 PCIe NVMe Gen3 / SATA and 1x M.2 2242 PCIe NVMe Gen3 / SATA), enabling ultra-compact and flexible storage combinations.
Via two HDMI 2.0 ports and a full-function USB-C port with DisplayPort Alternate Mode, you can drive up to three 4K monitors simultaneously at 60 Hz. This makes the Narrow Box 4300U the perfect tool for productive multi-display setups in home offices or corporate environments.
Product Images
Compact form factor meets maximum performance and flexibility.
Technical Specifications
All technical details at a glance.
Processor, Graphics & Chassis
Memory, Connectivity & Ports
The CSL Narrow Box 4300U stands out with excellent expandability within a compact footprint. The MP15A motherboard offers two SO-DIMM slots for DDR4 memory (up to 3200 MHz, max. 32 GB), providing maximum bandwidth in dual-channel mode for the integrated Radeon RX Vega 5 graphics.
For storage, two M.2 slots are available: The M.2 2280 slot is ideal for ultra-fast PCIe NVMe system drives, while the secondary M.2 2242 slot accommodates additional storage for files and backups.
Networking is handled via fast wireless Wi-Fi 6 (Realtek 8851BE AX900 module with Bluetooth 5.4) or the wired Realtek Gigabit Ethernet port. With a sustained TDP of just 15 Watts, the system operates extremely efficiently and is well-suited for 24/7 continuous operation.
Use Cases
This Mini PC addresses a wide range of use cases – efficient, quiet, and space-saving.
Home Office & Business
Ideal for office applications, emails, ERP systems, and video calls. Thanks to 3-monitor support (2× HDMI 2.0, 1× USB-C with 4K@60Hz), you always maintain a complete overview.
Casual & eSports Gaming
Thanks to the integrated AMD Radeon™ RX Vega 5 graphics, this Mini PC is also suitable for casual gaming. Popular eSports classics and online games like League of Legends, Valorant, or CS2 run smoothly on adjusted settings.
Media Center & 4K Streaming
Use the Mini PC as a discreet living room media player. The AMD Radeon™ RX Vega 5 graphics delivers smooth 4K movie and video playback at 60 FPS with 5.1 HD audio.
Smart Home & Home Server
The power-efficient Ryzen™ 3 4300U (15 W TDP) is perfect for continuous 24/7 operation under Windows 11 as a Home Assistant hub, file server, or print server.
Digital Signage & Point-of-Sale
Thanks to its compact enclosure, PXE Boot, Wake-on-Power, and Wake-on-LAN features, the Narrow Box 4300U seamlessly integrates into professional IT environments.
For basic office work and web browsing, an entry-level configuration with an M.2 SSD and 8 to 16 GB RAM is usually sufficient. If you plan to handle larger datasets, eSports games, or demanding applications, we recommend systems with 32 GB RAM and expanded storage via the second M.2 2242 slot.
Commercial users and IT admins benefit from the AMD platform's low power consumption during digital signage or kiosk deployment, as well as BIOS features like Wake-on-LAN (WoL), Wake-on-Power (WoP), and PXE Boot.
Models & Pricing
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FAQ
Answers to the most important questions regarding the CSL Narrow Box 4300U Mini PC series.
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