# Internal USB 3.2 Gen 1 (5 Gbit/s) PCIe interface card adapter — Sunix USB4300N, 78×121×18 mm **URL:** https://aio.lv/en/product--sunix-usb4300n--3216181 **Data updated:** 2026-03-11 11:43 (EET) **Category:** I/O Adapters & Controllers **Manufacturer:** Sunix **Manufacturer code:** USB4300N **EAN:** 4710747387925 **Warranty:** 2 Years **Availability:** Available for order **Price:** 46.99 € **Prices and availability valid until:** 2026-07-14 23:59 **Price without VAT (21%):** 38.83 EUR **Can be purchased by legal entities:** Yes (invoice) **Buy:** https://aio.lv/en/product--sunix-usb4300n--3216181 ## Delivery options | Delivery method | Delivery time | Cost | |---|---|---| | Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free | | Pickup points | 13.07.2026 | 1.99 EUR | | Courier delivery to door | 13.07.2026 | 4.99 EUR | ## Summary description Sunix USB4300N is an internal PCIe interface card providing USB 3.2 Gen 1 (3.1 Gen 1) output at up to 5 Gbit/s. Certified for CE, FCC and regional standards, the compact adapter (78 × 121 × 18 mm) offers high-speed USB connectivity for desktops or workstations, enabling external device connection, data transfer and peripheral expansion via a PCIe host slot. ## Long description Sunix USB4300N is an internal PCIe interface card that provides four USB 3.2 Gen 1 (also referred to as USB 3.1 Gen 1 / SuperSpeed USB) ports with data rates up to 5 Gbit/s. The compact adapter (78 × 121 × 18 mm) installs in a desktop or workstation PCIe slot to add high-speed USB connectivity for external storage, cameras, audio devices and other peripherals. The card is compliant with PCIe host interfaces and carries CE and FCC certifications for regional regulatory compliance. Advantages The adapter delivers SuperSpeed USB performance up to 5 Gbit/s while remaining backward compatible with USB 2.0 and USB 1.1 devices, enabling a broad range of peripherals to operate without additional converters. Its internal PCIe form factor frees front-panel ports and provides a stable, permanently available connection for high-throughput devices. Plug-and-play support and hot-swapping simplify installation and everyday use in desktop systems. Suitable for Adding high-speed USB ports to desktop PCs or workstations Connecting external storage devices for fast data transfer Attaching webcams, digital cameras and multimedia peripherals Expanding connectivity for audio interfaces, USB NICs and other USB accessories Key specifications Interface type: Internal PCIe card USB standard: USB 3.2 Gen 1 (SuperSpeed, up to 5 Gbit/s) Number of USB ports: 4 SuperSpeed ports Backward compatibility: USB 2.0 and USB 1.1 devices supported Dimensions: 78 × 121 × 18 mm Compliance: CE and FCC certified How to use Power down the desktop, open the case and insert the Sunix USB4300N into an available PCIe slot on the motherboard. Secure the card to the chassis, close the case and power on the system. The operating system should detect the new USB controller and enable the ports via plug-and-play; install any vendor drivers if prompted to ensure full SuperSpeed performance. Connect USB devices to the card’s ports to expand the system’s external I/O capabilities. Usage recommendations For optimal throughput, connect USB 3.2 Gen 1–capable devices using high-quality SuperSpeed USB cables and avoid routing cables near large sources of electromagnetic interference. Use the internal PCIe slot closest to the CPU for reliable power and signal integrity, and install the latest system drivers or firmware provided by the platform or OS vendor when available. ## Specifications ### Operational conditions | Feature | Value | |---|---| | Operating relative humidity (H-H) | 5 - 95 | | Storage temperature (T-T) | -20 - 85 | | Operating temperature (T-T) | 0 - 57 | ### Technical details | Feature | Value | |---|---| | Sustainability certificates | RoHS | ### Ports & interfaces | Feature | Value | |---|---| | Host interface | PCIe | | Peripheral (Molex) power connectors (4-pin) | 1 | | Output interface | USB 3.2 Gen 1 (3.1 Gen 1) | | USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 | ### Other features | Feature | Value | |---|---| | Manual | Yes | ### Weight & dimensions | Feature | Value | |---|---| | Height | 18 mm | | Width | 78 mm | | Depth | 121 mm | ### System requirements | Feature | Value | |---|---| | Windows operating systems supported | Y | | Linux operating systems supported | Y | ### Design | Feature | Value | |---|---| | Internal | Yes | ### Performance | Feature | Value | |---|---| | Certification | EUR: CE, EN55022 Class B, EN55024, EN61000-3-2, EN61000-3-3 US: FCC Part 15 Class B TAIWAN: BSMI: CNS13438 JAPAN: VCCI | ### Features | Feature | Value | |---|---| | Data transfer rate (max) | 5 Gbit/s | ## FAQ ### How much does the Sunix USB4300N Internal PCIe USB 3.2 Gen 1 Card cost, and is it available for purchase? The price is 46.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance. ### If I order this product today, when will I receive my order? If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 08.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation. ### What payment options are available? AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted. ### Can this product be purchased for a company (with VAT)? Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout. ### What is the warranty period? All Sunix products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Sunix service centers and through AiO.lv ### Can the product be returned after purchase? Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return. ### Where should I contact for warranty service? For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty ### How can I tell if this product suits my needs? When making a choice, we recommend paying attention to the key features: host interface, internal, output interface, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs. ### Where can I download the instructions for Sunix USB4300N Internal PCIe USB 3.2 Gen 1 Card? You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage. ## Image https://aio.lv/img/cache/product/3216181/58281615_large.webp