--- product_id: 21118913 title: "Rosewill USB Card Components" brand: "rosewill" price: "$5.76" currency: USD in_stock: false url: https://www.desertcart.us/products/21118913-rosewill-usb-card-components store_origin: US region: United States of America --- # 5 Gbps USB 3.0 speed PCI-E x1 slot compatibility 4 USB 3.0 ports Rosewill USB Card Components **Brand:** rosewill **Price:** $5.76 **Availability:** ❌ Out of Stock ## Summary > 🚀 Upgrade your rig with Rosewill RC-508 — where speed meets seamless expansion! ## Quick Answers - **What is this?** Rosewill USB Card Components by rosewill - **How much does it cost?** $5.76 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/21118913-rosewill-usb-card-components) ## Best For - rosewill enthusiasts ## Why This Product - Trusted rosewill brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Hot-Swap Ready:** Connect or disconnect devices on the fly without rebooting—perfect for dynamic workspaces and multitasking pros. - • **Quad-Port Powerhouse:** Expand your connectivity instantly with 4 high-speed USB 3.0 ports—plug and play without limits. - • **Effortless Installation:** Simply slot into any PCI-E motherboard port—no extra power supply needed thanks to built-in 4-pin connector. - • **Universal Compatibility:** Works flawlessly across Windows XP to 10 and even Linux distros, with automatic backward support for USB 2.0/1.1 devices. - • **Blazing Fast Data Transfer:** Experience ultra-responsive 5 Gbps USB 3.0 speeds for seamless video, audio, and file transfers. ## Overview The Rosewill RC-508 USB PCIe Card instantly upgrades your desktop with 4 USB 3.0 ports delivering up to 5 Gbps data transfer speeds. Compatible with any PCI-E motherboard slot, it supports backward compatibility with USB 2.0/1.1 and multiple operating systems including Windows and Linux. Featuring plug-and-play installation, built-in power connector, and hot-swapping capabilities, this expansion card is designed for professionals seeking fast, reliable, and versatile USB connectivity. ## Description Just insert the RC-508 into the PCI-E slot of your motherboard, and own USB 3.0 ports immediately. PCI Express (PCI-E) is a standard interface on most types of motherboards. With PCI-E, RC-508 provides high-speed data transferring between PC and USB 3.0 devices, up to 5 Gbps; thus, you may directly enjoy high-resolution videos stored in your USB 3.0 storage, other than copying them to your PC in advance. RC-508 offers 4 ports of USB 3.0, and each supports backwards compatibility to USB 2.0 and 1.1 automatically, making it easy to copy files and enjoy videos simultaneously. Specifications Type: PCI Express to USB Card External USB Ports: 4 port USB 3.0 Internal USB Ports: USB 3.0 External Ports: 4 port USB 3.0 Data Transfer Rate: Up to 5.0 Gbps Operating Systems Supported: Windows XP/Vista/7/8/8.1 (32/64 bit) Features Chipset: Renesas uPD720201 Supports 4 downstream ports for all speeds Supports the following speed data rates as follows: Low-speed (1.5Mb/s) / Full-speed (12Mb/s) / High-speed (480Mb/s) / Super-speed (5Gb/s) Single-lane (x1) PCI Express throughput rates up to 5 Gb/s Support USB Battery Charging Specification Revision 1.2 Fully compliant with PCI Express Base Specification Revision 2.0 Compliant with Universal Serial Bus 3.0 specification Revision 1.0 Supports simultaneous operation of multiple USB 3.0, USB 2.0 and USB 1.1 devices Compliant with Intel’s eXtensible Host Controller Interface (xHCI) Specification Revision 1.0 Built-in 4-pin power connector for receiving extra power supply from system Hot-swapping feature allows you to connect/disconnect devices without powering down the system ## Features - With quick and easy installation, RC-508 offers good experience of data transferring via USB 3.0, no matter video, audio or photos - Multiple USB 3.0 ports, simultaneously enjoy the convenience of plug-and-play, speed up to 5 Gbps - Suitable for all motherboard with PCI-E bus; PCI-E is a common part of motherboard - No extra power needed because of built-in 4-pin power connector of RC-508 - Automatically backwards compatible with USB 2.0 and 1.1; Operating System compatibility: Windows XP/Vista/7/8/10 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B011LZY20G | | Best Sellers Rank | #860 in Internal USB Port Cards | | Brand | Rosewill | | Compatible Devices | Computers, laptops, and external storage enclosures with PCI-E slots and USB 3.0 or USB 2.0/1.1 ports | | Customer Reviews | 4.3 4.3 out of 5 stars (690) | | Hardware Interface | PCI, USB, USB 2.0 | | Manufacturer | Rosewill | | Mfr Part Number | RC-508 | | Model Number | RC-508 | | Number of Items | 1 | | Operating System | Windows | | Style Name | 4-port USB 3.0 | | UPC | 840951114902 | | Unit Count | 1 Count | ## Product Details - **Brand:** Rosewill - **Hardware Interface:** PCI, USB, USB 2.0 - **Style:** 4-port USB 3.0 - **UPC:** 840951114902 ## Images ![Rosewill USB Card Components - Image 1](https://m.media-amazon.com/images/I/71NkxPYsAeL.jpg) ![Rosewill USB Card Components - Image 2](https://m.media-amazon.com/images/I/61O+VSAivHL.jpg) ![Rosewill USB Card Components - Image 3](https://m.media-amazon.com/images/I/71c7G+fDlAL.jpg) ![Rosewill USB Card Components - Image 4](https://m.media-amazon.com/images/I/61fXbOtJAsL.jpg) ![Rosewill USB Card Components - Image 5](https://m.media-amazon.com/images/I/71Z5xe5xHIL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/21118913-rosewill-usb-card-components](https://www.desertcart.us/products/21118913-rosewill-usb-card-components) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-14*