--- product_id: 276155069 title: "StarTech 1-Port USB 20Gbps PCIe Card, TAA, Windows/macOS/Linux (PEXUSB321C) | USB-C 20Gbps PCI Express 3.0 x 4 Adapter, Data Only, 2x2" brand: "startech.com" price: "€ 108.26" currency: EUR in_stock: true category: "Star Tech.Com" url: https://www.desertcart.nl/products/276155069-startech-1-port-usb-20gbps-pcie-card-taa-windows-macos store_origin: NL region: Netherlands --- # 20Gbps blazing USB-C speed 15W power delivery for device charging PCIe 3.0 x4 lanes for max throughput StarTech 1-Port USB 20Gbps PCIe Card, TAA, Windows/macOS/Linux (PEXUSB321C) | USB-C 20Gbps PCI Express 3.0 x 4 Adapter, Data Only, 2x2 **Brand:** startech.com **Price:** € 108.26 **Availability:** ✅ In Stock ## Summary > ⚡ Upgrade your rig, upgrade your workflow — don’t get left buffering! ## Quick Answers - **What is this?** StarTech 1-Port USB 20Gbps PCIe Card, TAA, Windows/macOS/Linux (PEXUSB321C) | USB-C 20Gbps PCI Express 3.0 x 4 Adapter, Data Only, 2x2 by startech.com - **How much does it cost?** € 108.26 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/276155069-startech-1-port-usb-20gbps-pcie-card-taa-windows-macos) ## Best For - startech.com enthusiasts ## Why This Product - Trusted startech.com brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Power Up On The Go:** Charge and sync your devices with up to 15W power delivery directly from your PC. - • **Universal Compatibility:** Works flawlessly across Windows, macOS, and Linux with auto driver support. - • **Blazing Fast USB-C 20Gbps:** Experience next-level data transfer speeds that keep you ahead of the curve. - • **Optimized for Performance:** UASP support and multi-input bandwidth management ensure no device gets left behind. - • **Seamless PCIe 3.0 x4 Integration:** Maximize your desktop’s potential with a high-bandwidth expansion card. ## Overview The StarTech 1-Port USB 20Gbps PCIe Card (PEXUSB321C) is a high-performance USB 3.2 Gen 2x2 expansion card that adds a single USB-C port capable of blazing 20Gbps speeds to your desktop. Utilizing the ASMedia ASM3242 controller and PCIe 3.0 x4 lanes, it supports fast data transfers with NVMe and SSD devices, delivers up to 15W power for charging, and offers broad OS compatibility including Windows, macOS, and Linux. Ideal for professionals seeking to future-proof their workstation with ultra-fast connectivity and reliable power delivery. ## Description This PCIe USB 3.2 Gen 2x2 controller card installs into an available PCI-Express x4 slot in your computer and enables you to upgrade your current system by adding a USB-C (20Gbps) port. The controller card enables you to connect USB-C Gen 2x2 (20 Gbps) devices to your desktop computer. The USB-C port is ideal for connecting USB devices such as external hard drives and solid state drives or charging and syncing your mobile devices. The USB-C port provides up to 15W (5V/3A) of power and is backward compatible with USB 3.2 Gen 2 (10 Gbps) and USB 3.2 Gen 1 (5 Gbps) devices. Note: USB 3.2 Gen 2 (10 Gbps) is also know as USB 3.1 Gen 2 (10 Gbps), and USB 3.2 Gen 1 (5 Gbps) is also know as USB 3.0 and USB 3.1 (5 Gbps). The USB 3.2 Gen 2x2 card features an ASMedia ASM3242 host controller that utilizes x4 lanes of the PCIe 3.0 bus, making the card capable of speeds up to 20Gbps and enabling fast access to high-performance devices like NVMe drives and SSDs. ## Features - HIGH PERFORMANCE: Add 1x USB-C SuperSpeed 20Gbps port to your desktop PC with this USB 3.2 Gen 2x2 PCIe Card; Expansion card provides up to 15W (5V @ 3A) to power & charge devices - FULL USB 3.2 GEN 2X2 SPEEDS: Featuring the ASMedia ASM3242 host controller using x4 lanes of PCIe 3.0, this card is fully capable of speeds up to 20Gbps enabling fast access to high-performance devices like NVMe drives and SSDs - MAXIMIZED USB PERFORMANCE: USB Type-C PCI Express card supports Multiple INs to reduce bandwidth loss when mix speed devices are connected to a Hub (hub must also support this feature); UASP support improves performance with storage devices - COMPATIBILITY: Add-on card installs in full or low-profile (bracket incl) PCIe 3.0 x4 slot (Backward compatible w/PCIe 2.0); Windows/Linux/macOS w/auto drivers Win 8 & up; Works w/USB 3.1/3.0/2.0 devices; Does not support DP-Alt mode for video over USB-C ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08T6FCF9S | | Best Sellers Rank | #35 in Internal USB Port Cards | | Brand | StarTech.com | | Built-In Media | "PCI Express USB Card Full Profile Bracket (Installed) Low Profile Bracket Quick-Start Guide" | | Compatible Devices | Personal Computer, Laptop | | Customer Reviews | 4.4 4.4 out of 5 stars (251) | | Hardware Interface | PCI Express x4 | | Item Dimensions L x W x H | 2"L x 3.1"W x 0.9"H | | Item Weight | 1.28 ounces | | Manufacturer | StarTech.com | | Mfr Part Number | PEXUSB321C | | Model Number | PEXUSB321C | | Operating System | Linux | | Style Name | Classic | | UPC | 065030891264 | | Unit Count | 1 Count | | Warranty Description | 2 Year Warranty | ## Product Details - **Brand:** StarTech.com - **Hardware Interface:** PCI Express x4 - **Item Weight:** 1.28 ounces - **Product Dimensions:** 2"L x 3.1"W x 0.9"H - **Style:** Classic ## Images ![StarTech 1-Port USB 20Gbps PCIe Card, TAA, Windows/macOS/Linux (PEXUSB321C) | USB-C 20Gbps PCI Express 3.0 x 4 Adapter, Data Only, 2x2 - Image 1](https://m.media-amazon.com/images/I/61e7msVSRHL.jpg) ## Frequently Bought Together - StarTech.com 1-Port USB 3.2 Gen 2x2 PCIe Card, USB-C 20Gbps PCI Express 3.0 x4 Adapter, Data Only, Windows/macOS/Linux, TAA - StarTech.com 2-Port USB 3.2 Gen 2 PCIe Card, USB-C 10Gbps PCI Express 3.0 x4 Adapter, Data Only, Windows/macOS/Linux, TAA - Cable Matters 20Gbps USB C to USB C Monitor Cable 6 ft / 1.8m, Supports Up to [8K@30Hz / 4K@120Hz Video, 240W Charging, 20Gbps Data Transfer], USB C Video Cable/USB C Display Cable with USB 3.2 Gen 2 --- ## 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.nl/products/276155069-startech-1-port-usb-20gbps-pcie-card-taa-windows-macos](https://www.desertcart.nl/products/276155069-startech-1-port-usb-20gbps-pcie-card-taa-windows-macos) --- *Product available on Desertcart Netherlands* *Store origin: NL* *Last updated: 2026-08-02*