For the latest information, technical specications, and support for
this product, please visit www.StarTech.com/SDMSDRWU3AC.
• 1 x card reader/writer
• 2 x end caps
• 1 x quick-start guide
• microSD or SD card
• Computer, tablet, laptop, or smartphone equipped with a USB-C or
Note: To obtain the maximum USB throughput, you must use a
system with a USB 3.0 port.
The SDMSDRWU3AC is OS independent and doesn’t require any
additional drivers or software.
The card reader/writer receives enough power through the USB bus
and doesn’t require an additional power source.
Requirements are subject to change. For the latest requirements,
please visit www.StarTech.com/SDMSDRWU3AC.
USB 3.0 Memory Card Reader/Writer for SD and microSD cards - USB-C and USB-A
*actual product may vary from photos
The SDMSDRWU3AC provides a quick and easy way to access
data stored on SD™ cards and microSD™ cards, and supports data
transfer speeds up to 5Gbps. You can use this card reader/writer
with a computer, tablet, laptop, or smartphone that’s enabled with a
USB-C™ or USB-A port.
Removable end cap
microSD card slot
SD card slot
Removable end cap
About USB 3.0 and USB 3.1 Gen 1
USB 3.0 is also known as USB 3.1 Gen 1. This connectivity standard
oers speeds up to 5Gbps. Any mention of USB 3.0 in this manual or
on the StarTech.com website in relation to SDMSDRWU3AC refers to
the 5Gbps USB 3.1 Gen 1 standard.
Note: Data transfer rates are dependent upon the speed of the
memory card you are using and the speed capabilities of the USB
port on your device.
About the LED indicator
The SDMSDRWU3AC features a blue Activity LED located to the
left of the card slots. The Activity LED blinks to indicate that data is
Avoid disconnecting the card reader/writer when the Activity LED is
Connect the card reader/writer
1. Gently slide a memory card into the appropriate card slot on the
SDMSDRWU3AC until you feel resistance and the card is fully
2. Do one of the following:
• Insert the USB-C connector on the card reader/writer into the
USB-C port on your computer, tablet, laptop, or smartphone.
• Insert the USB-A connector on the card reader/writer into the
USB-A port on your computer, tablet, or laptop.
3. To access the content on your memory card, follow the
instructions specic to the operating system that you’re running.
When you connect the card reader/writer, your system automatically
detects and installs the required software.
Caution! Do not insert two cards into the card reader/writer at the
same time. You can only access the data stored on one card at a time.
Number of questions: 0
Do you have a question about the StarTech.com SDMSDRWU3AC or do you need help? Ask your question here. Provide a clear and comprehensive description of the issue and your question. The more detail you provide for your issue and question, the easier it will be for other StarTech.com SDMSDRWU3AC owners to properly answer your question.
About the StarTech.com SDMSDRWU3AC
View the manual for the StarTech.com SDMSDRWU3AC here, for free. This manual comes under the category Memory readers and has been rated by 1 people with an average of a 6.4. This manual is available in the following languages: English. Do you have a question about the StarTech.com SDMSDRWU3AC or do you need help? Ask your question here