Ultra-compact Mini PC powered by AMD Ryzen™ 3 mobile processor. Reliable everyday performance with Windows 11 Home or Pro – for home office, business, media center, and casual eSports gaming.
Powerful Processor Performance
The CSL Narrow Box 4300U is the ideal choice for anyone looking for a space-saving and quiet desktop solution. Whether for productive work in the home office, 4K streaming, digital signage, or eSports games like League of Legends: this Mini PC series impresses with well-thought-out connectivity and flexible M.2 storage options.
Prepared and ready to use with Windows 11 Home or Windows 11 Pro
Highlights
Six key features that make this Mini PC a versatile solution for work and entertainment setups.
AMD Ryzen™ 3 4300U
4 Cores / 4 Threads · up to 3.7 GHz
7nm mobile processor with strong single-core performance for fast responsiveness 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) plus solid performance for eSports gaming.
DDR4 Memory
2× SO-DIMM (up to 32 GB RAM)
Two SO-DIMM slots offer future-proof RAM upgrade options up to 32 GB with dual-channel support for smooth performance without system 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 expansion 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 stable network connections.
IT & Business Support
Wake-on-LAN · WoP · PXE Boot
Remote management and automation features (WoL, WoP, PXE) along with full support for Windows 11 Home and Windows 11 Pro.
The CSL Narrow Box 4300U is powered by the AMD Ryzen™ 3 4300U mobile processor from the "Renoir" generation. Built on TSMC's 7nm process, this CPU combines high efficiency with strong processing power for everyday computing tasks. Featuring 4 native cores and clock speeds reaching up to 3.7 GHz, this Mini PC handles complex spreadsheets, video conferences, multi-tab web browsing, and media playback effortlessly.
A standout feature of this series is its dual M.2 storage design: The MP15A motherboard equips two slots (1x M.2 2280 PCIe NVMe Gen3 / SATA and 1x M.2 2242 PCIe NVMe Gen3 / SATA). This allows operating systems and secondary data drives to be integrated in an extremely compact and flexible manner.
Drive up to three 4K monitors simultaneously at 60 Hz via two HDMI 2.0 ports and a full-featured USB-C port with DisplayPort Alternate Mode. This turns the Narrow Box 4300U into an ideal hub for productive multi-monitor workstations in both home offices and corporate environments.
Product Gallery
Compact form factor delivered with maximum performance and flexibility.
Technical Specifications
All essential hardware specs at a glance.
Processor, Graphics & Chassis
Memory, Connectivity & Ports
The CSL Narrow Box 4300U stands out for its high expandability within a compact footprint. Its MP15A motherboard provides two SO-DIMM slots for DDR4 memory (up to 3200 MHz, max. 32 GB), unlocking maximum dual-channel bandwidth for the integrated Radeon RX Vega 5 GPU.
For storage, two M.2 slots are available: The primary M.2 2280 slot is ideal for fast PCIe NVMe system drives, while the secondary M.2 2242 slot accommodates extra storage capacity for files and backups.
Connect effortlessly via high-speed wireless Wi-Fi 6 (Realtek 8851BE AX900 module with Bluetooth 5.4) or wired Realtek Gigabit Ethernet. Multiple USB ports make it easy to attach a full range of desktop peripherals.
Applications
This Mini PC handles diverse workloads silently and with minimal space requirements.
Home Office & Business
Ideal for office productivity, email management, ERP systems, and video calls. Triple-monitor support (2× HDMI 2.0, 1× USB-C with 4K@60Hz) ensures a comprehensive workflow overview.
Casual & eSports Gaming
Powered by integrated AMD Radeon™ RX Vega 5 graphics, this Mini PC easily handles casual gaming. Popular eSports titles like League of Legends, Valorant, or CS2 run smoothly at tailored settings.
Media Center & 4K Streaming
Use this Mini PC as a discrete living room media hub. Integrated AMD Radeon™ RX Vega 5 graphics delivers smooth 4K movie playback and streaming at 60 FPS with 5.1 HD audio.
Smart Home & Home Server
With a low 15W sustained TDP, the AMD Ryzen™ 3 4300U processor excels as an energy-efficient Home Assistant central node, file server, or print server under Windows 11.
Digital Signage & Point-of-Sale
Featuring a compact chassis, PXE Boot, Wake-on-Power, and Wake-on-LAN, the Narrow Box 4300U integrates smoothly into commercial IT environments.
For standard office workloads and web browsing, an entry-level setup with an M.2 SSD and 8 to 16 GB RAM is perfectly sufficient. For handling larger datasets, eSports titles, or resource-heavy applications, we recommend configuring 32 GB RAM with extra storage installed in the secondary M.2 2242 slot.
Commercial clients and IT administrators deploying digital signage or kiosk solutions will benefit from the stability of the AMD platform alongside BIOS-driven remote features like Wake-on-LAN (WoL), Wake-on-Power (WoP), and PXE Boot.
Models & Pricing
Select RAM, SSD storage, and operating system to view available configurations.
279.90
259.90
389.00
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679.00
729.00
749.00
779.00
799.00
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849.00
899.00
FAQ
Answers to the most important questions about the CSL Narrow Box 4300U Mini PC series.
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