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USB-C and USB-A SD / microSD card reader
A compact USB 3.0 card reader with USB-C and USB-A host connections for SD, SDHC, SDXC, microSD, microSDHC and microSDXC media at up to 5Gbps.

Key capabilities
Dual USB host compatibility
Built-in USB-C and USB-A connections support a wider range of compatible host devices.
SD and microSD slots
Reads and writes full-size SD/MMC and microSD media without a separate card adapter.
Up to 5Gbps USB
USB 3.0 / USB 3.2 Gen 1 host bandwidth up to 5Gbps with USB 2.0 backward compatibility.
Driver-free USB power
OS independent and powered directly from USB.
What to know before buying
Actual card speed depends on the card, host and USB connection. The supplied exact specification lists a 2TB maximum media-capacity field.
Australian version and manufacturer warranty
This item is the Australian version supplied by DeviceDeal and is covered by the official StarTech.com 2-year manufacturer warranty in Australia.
Please retain your DeviceDeal tax invoice as proof of purchase. Warranty coverage and claims are subject to StarTech.com warranty terms, eligibility requirements and product assessment.
Frequently asked questions
What cards can SDMSDRWU3AC read?
Does it work with USB-C and USB-A?
What is the maximum USB rate?
Is USB 2.0 compatible?
Does it need drivers?
How is it powered?
What is included?
What warranty applies in Australia?
(SDMSDRWU3AC)
Features and highlights
Dual USB host compatibility
Built-in USB-C and USB-A connections support a wider range of compatible host devices.
SD and microSD slots
Reads and writes full-size SD/MMC and microSD media without a separate card adapter.
Up to 5Gbps USB
USB 3.0 / USB 3.2 Gen 1 host bandwidth up to 5Gbps with USB 2.0 backward compatibility.
Driver-free USB power
OS independent and powered directly from USB.
- USB-C + USB-A
- SD + microSD
- USB 3.0 / 5Gbps
- 2-year warranty
Specifications
Verified specifications for StarTech SDMSDRWU3AC.

Warranty Information
| Warranty | 2 Years |
|---|
Hardware
| Bus Type | USB 3.0 |
|---|---|
| Chipset ID | Genesys Logic - GL3224 |
| Interface | USB 3.0 |
| Number of Drives | 2 |
Performance
| Max Drive Capacity | 2TB |
|---|---|
| Maximum Data Transfer Rate | 5 Gbps |
| Memory Media Type | SD/MMC (Secure Digital/Multimedia Card) |
| Memory Media Type | SDHC (Secure Digital High Capacity) |
| Memory Media Type | SDXC (Secure Digital eXtended Capacity) |
| Memory Media Type | microSD (Micro Secure Digital) |
| Memory Media Type | microSDHC (Micro Secure Digital High Capacity) |
| Memory Media Type | microSDXC (Micro Secure Digital eXtended Capacity) |
Connector(s)
| Drive Connectors | 1 - SD / MMC |
|---|---|
| Drive Connectors | 1 - MicroSD |
| Host Connectors | 1 - USB Type-C (24 pin) USB 3.0 (5Gbps) |
| Host Connectors | 1 - USB 3.1 USB Type-A (9 pin, Gen 1, 5 Gbps) |
Software
| OS Compatibility | OS independent; No software or drivers required |
|---|
Indicators
| LED Indicators | 1 - Power & Activity |
|---|
Power
| Power Source | USB-Powered |
|---|
Environmental
| Humidity | 50% to 90% RH |
|---|---|
| Operating Temperature | 0°C to 75°C (32°F to 167°F) |
| Storage Temperature | -20°C to 70°C (-4°F to 158°F) |
Physical Characteristics
| Color | Black |
|---|---|
| Enclosure Type | Plastic |
| Product Height | 0.4 in [1.1 cm] |
| Product Length | 2.9 in [73 mm] |
| Product Width | 0.8 in [20 mm] |
| Weight of Product | 0.5 oz [14 g] |
Packaging Information
| Package Height | 0.8 in [20 mm] |
|---|---|
| Package Length | 4.1 in [10.5 cm] |
| Package Width | 2.8 in [70 mm] |
| Shipping (Package) Weight | 1.3 oz [38 g] |
What's in the Box
| Included in Package | 1 - card reader / writer |
|---|---|
| Included in Package | 2 - end caps |
| Included in Package | 1 - quick-start guide |
| SKU | SDMSDRWU3AC |
| Barcode # | 65030868181 |
| Brand | STARTECH |
| Shipping Weight | 0.0800kg |
| Shipping Width | 0.140m |
| Shipping Height | 0.030m |
| Shipping Length | 0.175m |
| Shipping Cubic | 0.000735000m3 |
StarTech.com warranty in Australia
This item is the Australian version supplied by DeviceDeal and is covered by the official StarTech.com 2-year manufacturer warranty in Australia.
Please retain your DeviceDeal tax invoice as proof of purchase.
Warranty coverage and claims are subject to StarTech.com warranty terms, eligibility requirements and product assessment.
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