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Compact rectangular card reader with matte finish, status LED, built-in fan, braided USB-C cable and USB-A adapter

Lexar

Lexar LRW540U-RNHNG microSDXC Express Card Reader USB 3.2 Gen 2

SKU CH-9Q1J-PT8EJ MPN LRW540U-RNHNG

Reads microSDXC Express cards at up to 900 MB/s via USB 3.2 Gen 2, with built-in fan cooling and UHS-I/II backwards compatibility

  • Speeds up workflow by 400% with Lexar PLAY PRO microSDXC Express Card
  • Built-in fan cuts temperature by 19°C for stable peak performance
  • Braided USB-C cable plus USB-C to USB-A adapter for broad device compatibility
  • Works with microSD UHS-I and UHS-II cards at up to 104MB/s transfer rates
  • Plug-and-play on Windows and macOS with no driver installation needed

USB 3.2 Gen 2 card reader

The Lexar LRW540U-RNHNG is a USB 3.2 Gen 2 card reader designed for microSDXC Express cards. It targets photographers, videographers and gamers who need to move large files quickly between a card and a PC or Mac. The aluminium-alloy housing includes a built-in fan and status LED for sustained operation.

Practical limits of the USB 3.2 Gen 2 interface

The reader connects via a braided USB-C cable and includes a USB-C to USB-A adapter for broad host compatibility. It is backwards-compatible with microSD UHS-I and UHS-II cards, though UHS-II cards operate at UHS-I speeds. Plug-and-play support on Windows and macOS requires no driver installation.

Capacity headroom with Express and UHS cards

When paired with a Lexar PLAY PRO microSDXC Express card, the reader delivers up to 900 MB/s transfer rates, roughly 400 % faster than standard readers. UHS-I and UHS-II cards are limited to 104 MB/s. The internal fan lowers operating temperature by 19 °C to maintain peak throughput during long transfers.

Põhijooned

  • Speeds up workflow by 400% with Lexar PLAY PRO microSDXC Express Card
  • Built-in fan cuts temperature by 19°C for stable peak performance
  • Braided USB-C cable plus USB-C to USB-A adapter for broad device compatibility
  • Works with microSD UHS-I and UHS-II cards at up to 104MB/s transfer rates
  • Plug-and-play on Windows and macOS with no driver installation needed

Tehnilised andmed

BrandLexar
ModelLRW540U-RNHNG
Part NumberLRW540U-RNHNG
Tarnekaal0.13 kg
Pakendi mõõtmed165 × 105 × 15 mm

Küsimused selle toote kohta

How do I choose between using this reader with a microSDXC Express card versus a UHS-II card?

With a Lexar PLAY PRO microSDXC Express Card the reader reaches up to 900 MB/s, while UHS-II cards operate at UHS-I speeds up to 104 MB/s.

What does the 900 MB/s transfer rate mean when the reader is connected to my PC?

That is the peak sequential speed achievable when the reader is paired with a Lexar PLAY PRO microSDXC Express Card over the USB 3.2 Gen 2 link.

Which USB standard does the reader use and what throughput does it cap at?

It uses a USB 3.2 Gen 2 connection, so the practical ceiling is the bus limit of that generation.

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