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Sony MRW-S1 UHS-II SD Card Reader Writer USB 3.0 — main product image
Sony MRW-S1 UHS-II SD Card Reader Writer USB 3.0
Sony MRW-S1 UHS-II SD Card Reader Writer USB 3.0
Sony MRW-S1 UHS-II SD Card Reader Writer USB 3.0
Sony

Sony MRW-S1 UHS-II SD Card Reader Writer USB 3.0

★★★★★4.7 (794 reviews)

A compact UHS-II SD card reader that transfers files faster than most built-in laptop card slots.

$39.00*$47.38Save 17%
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*Price sourced from Amazon.com. Last updated:Jun 08, 2026.Price and availability are subject to change.

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Overview

The Sony MRW-S1 is a pocket-sized UHS-II SD card reader and writer built for photographers and videographers who need to move large files quickly. Using a USB 3.1 interface that is backward compatible with USB 3.0 and 2.0, the MRW-S1 reads and writes data at speeds that surpass most built-in laptop card slots — a meaningful advantage when offloading high-resolution RAW images or 4K video files from a shoot. It supports both UHS-II and UHS-I SD cards, so it works with the latest high-speed media as well as older cards you may already own.

The reader's compact form factor makes it easy to toss into a camera bag, and a built-in cover shields the USB connector from dust and damage when not in use. An activity indicator light lets you know at a glance when data is being transferred, helping you avoid premature card removal. While the MRW-S1 can also accept microSD cards through a full-size SD adapter, that adapter is not included. Its straightforward single-slot design keeps things simple — plug in your SD card, connect to your computer, and start transferring immediately without drivers or software installation.

Key Features

Uhs-ii and UHS-I SD card reader/writer

USB3.1 interface – Compatible with USB3.0/2.0

Reads/writes at higher speed than most PC SD ports

Usable with Micro SD cards (full size SD Adapter not included)

Indicator shows reader/writer activity

Cover protects USB connector when not in use

Specifications

Brand
Sony
Model
MRW-S1
Interface
USB 3.1 (compatible with USB 3.0/2.0)
Card Compatibility
UHS-II SD, UHS-I SD
MicroSD Support
Yes (full-size SD adapter required, not included)
Activity Indicator
Yes
USB Connector Cover
Yes

Pros & Cons

👍 Pros

  • UHS-II support delivers significantly faster transfer speeds than most built-in laptop SD card slots
  • Compact, pocketable design makes it easy to carry in a camera bag or pocket
  • Backward compatible with UHS-I cards and USB 3.0/2.0 ports for broad device support
  • Built-in USB connector cover protects against dust and physical damage during transport
  • Activity indicator light confirms when data is actively being read or written

👎 Cons

  • Only accepts SD-size cards — a full-size SD adapter is required for microSD and is not included
  • USB Type-A connector means you need a separate adapter for USB-C-only laptops
  • Single card slot limits you to one SD card at a time with no CompactFlash or CFexpress support
  • No built-in cable, so the reader must plug directly into a USB port, which can be awkward on some laptop designs
  • Plain plastic build feels less premium than metal-bodied competitors

Frequently Asked Questions

Yes, the reader is backward compatible with both UHS-II and UHS-I SD cards, so it works with virtually any standard SD card.
Yes, you can use microSD cards by inserting them into a full-size SD adapter, though the adapter is not included with the reader.
It uses a USB 3.1 (Type-A) interface and is backward compatible with USB 3.0 and USB 2.0 ports.
The MRW-S1 has a built-in activity indicator light that shows when the reader is reading or writing to the card.
Yes, a built-in cover protects the USB connector from dust and damage when the reader is not in use.

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