The compact Lexar RW540 microSD Express card reader delivers extremely fast read speeds up to 900 MB/s over USB 3.2 Gen 2. Thanks to the built-in cooling fan, it maintains stable performance, is durable with a PC/ABS and silicone construction, and with the included USB-C and USB-A connectivity it works great with a wide range of devices. Support for UHS-I / UHS-II and microSD Express makes it a versatile solution for fast transfers of 4K videos and large projects.
Speed up your workflow with the Lexar RW540 microSD Express reader. The USB 3.2 Gen 2 interface combined with microSD Express cards offers read speeds up to 900 MB/s—ideal for transferring 4K/8K video, RAW photos, and large graphic files. Driverless plug-and-play ensures immediate use on Windows and macOS.
The integrated fan reduces temperature by up to 19 °C for consistently high performance during long copies. The rugged body made of PC/ABS and silicone handles demanding field use. The box includes an integrated USB‑C cable and a USB‑C → USB‑A adapter for maximum compatibility with laptops, desktops, and workstations.
Main advantages:
- Up to 900 MB/s with microSD Express cards for lightning-fast transfers
- USB 3.2 Gen 2 – modern high-speed interface
- Fan cooling for stable performance during extended operation
- Compatibility with microSD UHS‑I and UHS‑II (up to 104 MB/s)
- Broad OS support – Windows 8/10/11, macOS
- USB‑C and USB‑A connections included in the package
- Compact dimensions and weight of just 67.6 g
Specifications
- Manufacturer
- Lexar
- Model
- LRW540U-RNHNG
- Interface type
- USB 3.2 Gen 2
- Connectors
- USB-C and USB-A (integrated USB-C cable, USB-C to USB-A adapter)
- Max. read speed
- Up to 900 MB/s (with a microSD Express card)
- Supported cards
- microSD Express, microSD UHS-I, microSD UHS-II
- Supported operating systems
- Windows 8/10/11, macOS 15.1/14.7.2
- Features
- Plug-and-play without driver installation
- Cooling
- Built-in cooling fan (temperature reduction up to 19 °C)
- Enclosure material
- PC, ABS, silicone
- Operating temperature
- 0 °C to 40 °C
- Storage temperature
- -25 °C to 85 °C
- Dimensions
- 71.50 × 41.00 × 20.80 mm
- Weight
- 67.6 g
- Accessories
- Integrated USB-C cable, USB-C to USB-A adapter