This article covers Lexar マルチカード 2-in-1 USB 3.1リーダー.
Overview
The Lexar LRW450UBNA is a compact 2-in-1 USB 3.1 card reader designed for SD and microSD cards. It leverages the USB 3.1 Gen 1 interface (5 Gbps) to deliver fast data transfers, with read speeds up to 170 MB/s when using UHS-I cards and up to 312 MB/s with UHS-II cards. The reader features two independent slots, allowing simultaneous access to both cards. This makes it an excellent companion for photographers, drone operators, and mobile users who need to quickly offload files from memory cards to a computer. The built-in USB Type-A cable ensures a tangle-free experience, and the plug-and-play operation works on Windows, macOS, and Linux without drivers. With a 2-year limited warranty, it offers reliable performance at an affordable price point.
Connectivity & Compatibility
This card reader connects via a fixed USB Type-A cable, compatible with USB 3.1 Gen 1, USB 2.0, and USB 1.1 ports. It includes two dedicated slots: one for full-size SD cards (SD/SDHC/SDXC) and one for microSD cards (microSD/microSDHC/microSDXC). Both slots support UHS-I and UHS-II bus interfaces, enabling high-speed transfers with compatible cards. The reader can read and write to both cards simultaneously, which is useful for backing up data from multiple devices. No driver installation is required; the device is automatically recognized by the operating system. The compact design makes it easy to carry in a laptop bag or camera case.
Product Info
The Lexar LRW450UBNA was released around 2020 and is positioned as an entry-level to mid-range card reader. It is priced at approximately ¥2,680, making it one of the most affordable options in its class. The package includes the reader with an integrated USB cable, so there is no separate cable to lose. The reader is available through major retailers like electronics stores. Lexar offers a 2-year limited warranty, adding to the product's value. This reader focuses on essential functionality without unnecessary extras, appealing to users who want a straightforward, reliable tool for card reading.
Best Use Cases
- Photographers and Videographers: Ideal for those using SD cards in DSLR, mirrorless, or video cameras. UHS-II support ensures fast transfer of large files, and the simultaneous slot access speeds up workflow when handling multiple cards.
- Drone and Action Camera Operators: Frequent microSD card users will benefit from the dedicated microSD slot. Data from drones or action cameras can be quickly transferred to a PC for editing or sharing.
- Smartphone Users (Android): Users who rely on microSD cards for storage expansion can use this reader to easily transfer photos, videos, and documents to a computer.
- Not Recommended For: Professionals who need to read multiple card formats (CFexpress, XQD, etc.) or require USB-C connectivity. Also, users who need a card reader with a detachable cable may prefer a different model.
Product Disclosure (Amazon)
- Manufacturer: Lexar
- Seller: tesseract（テッセラクト）
- Fulfilled by: Amazon
- ASIN: B088KCPBLM
- Note: This article covers a manufacturer-made product based on Amazon listing details.
