LRW450UB
Lexar Multi-Card 2-in-1 USB 3.1 Reader
About this product
The is a compact, plug-and-play card reader designed for SD and microSD cards, offering blazing-fast transfer speeds of up to 312 MB/s, and featuring dual slots that let you simultaneously read or move files between cards.
Overview Summary
Product Title: Lexar Multi-Card 2-in-1 USB 3.1 Reader
This card reader is built to streamline your workflow by supporting both SD and microSD memory cards in dedicated slots, with “two-in-one” functionality that allows you to transfer directly from one card to the other or to your computer. With a USB 3.1 (Gen 1) interface, it reaches up to 312 MB/s when used with high-speed UHS-II media, and remains backwards compatible with UHS-I cards and USB 2.0 ports.
Its ultra-portable design - measuring approximately 38.2 x 63.9 x 15.3 mm and weighing around 15.8 g - means you can easily tuck it into your camera bag or laptop sleeve for on-the-go photo, video and media transfers. Whether you're a content creator, photographer or general user working with SD/microSD cards, this reader offers a reliable, high-performance solution.
What tier does this fall into?
Premium-midWhat is this best for?
Transferring SD cards, Transferring microSD cards, Simultaneous card-to-card transfers, On-the-go media workflow, Back-up and archiving tasksDescription
The Lexar Multi-Card 2-in-1 USB 3.1 Reader is crafted to meet the demands of high-speed file transfers across SD and microSD cards with precision and efficiency. It features dedicated slots for both card types and supports UHS-II media when you need maximum throughput. Even if you're working with older UHS-I cards, you'll still see strong performance thanks to its backwards compatibility. The dual-slot arrangement allows you to read from two cards simultaneously or transfer data directly from one card to the other - no computer intervention needed during that step. Its USB 3.1 Gen 1 Type-A interface ensures broad compatibility with most laptops and desktops. Built from durable materials and rigorously tested by Lexar, this reader is a practical accessory for photographers, videographers, content creators or anyone working with media cards. The compact form means you'll always have it on-hand, and the straightforward plug-and-play setup means you can plug it into your computer and get going instantly - no drivers required.
Features
Key features of this card reader combine performance, versatility and compact design:
- Supports transfer speeds up to 312 MB/s for UHS-II SD and microSD cards.
- Backwards compatible with UHS-I cards, offering transfer speeds up to ~170 MB/s.
- Dual-slot design: 1 x SD (UHS-II) and 1 x microSD (UHS-II) allows simultaneous reading or direct card-to-card file transfers.
- USB Type-A interface supporting USB 3.1 Gen 1, also compatible with USB 2.0 ports for universal use.
- Ultra-compact size (38.2 x 63.9 x 15.3 mm) and lightweight (15.8 g) for true portability.
- Wide operating temperature range (0 degreesC to 40 degreesC) and storage temperature range (-10 degreesC to 50 degreesC) for stable performance in varied environments.
What's in the Box
- Lexar Multi-Card 2-in-1 USB 3.1 Reader (model LRW450UB)
- Quick start guide and warranty information
Specifications
- Interface: USB 3.1 Gen 1 (USB Type-A)
- Supported card types: SD(TM), SDHC(TM), SDXC(TM), microSD(TM), microSDHC(TM), microSDXC(TM), SD/microSD UHS-I & UHS-II
- Maximum transfer speed: Up to 312 MB/s (with UHS-II cards)
- Backwards UHS-I speed: Up to ~170 MB/s
- Card slots: 1 x SD (UHS-II), 1 x microSD (UHS-II)
- Dimensions (L x W x H): 38.2 x 63.9 x 15.3 mm
- Weight: 15.8 g
- Operating temperature: 0 degreesC to 40 degreesC (32 degreesF to 104 degreesF)
- Storage temperature: -10 degreesC to 50 degreesC (14 degreesF to 122 degreesF)
FAQ
What cards does this reader support?
This reader supports SD(TM), SDHC(TM), SDXC(TM), microSD(TM), microSDHC(TM) and microSDXC(TM) cards, including UHS-I and UHS-II formats in both SD and microSD form factors.
Will I get maximum speed automatically?
The maximum transfer speed of up to 312 MB/s is achievable when using UHS-II SD or microSD cards and a USB 3.1 Gen 1 port. If you use UHS-I cards or a USB 2.0 port, speeds will be lower (up to ~170 MB/s for UHS-I).
Can I transfer files from one card to another directly?
Yes - the dual-slot design allows you to read from both the SD and microSD slots simultaneously, and also enables direct card-to-card transfers without requiring an intermediate copying to your computer.
Is it compatible with my older USB port?
Yes - although it is designed for USB 3.1 Gen 1, the reader is backwards compatible with USB 2.0 ports, so it will work with older computers, albeit at lower transfer speeds.
Is any software required?
No additional drivers or software are required; it is a plug-and-play device for both Windows and Mac operating systems and uses standard card reader support built into the OS.
© Respective owners and brand holders. © 2026 Laptop Direct CC. The contents has been generated by Laptop Direct CC (https://www.laptopdirect.co.za). All products are sourced locally in South Africa and the warranty is that of the local supplier only. E&OE.

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