TP-LINK SDMSDRWU3AC StarTech. com USB 3.0 Flash Card Reader - Dual Slot SD/microSD Reader with USB-C & USB-A - Portable 1.95TB Capacity
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Product Features
Technical Overview
Built on USB 3.1 Gen 1 technology with 5Gbps transfer speeds, the SDMSDRWU3AC significantly reduces file transfer times compared to USB 2.0 readers. The interface supports both modern USB-C ports and legacy USB-A connections, with protective end caps included to safeguard connectors when not in use. Backward compatibility ensures functionality with older USB 2.0, 1.1, and 1.0 systems.
The reader's technical architecture includes support for SDHC/microSDHC high-capacity cards and SDXC/microSDXC extended-capacity formats. When used with appropriate adapters (not included), it can also read MMC-plus, MMCmobile, RS-MMC, MMC micro, and miniSD cards. An integrated activity LED provides visual confirmation of data transfer operations.
Relevant factors for this section include Memory Card Supported, Storage Capacity, Wireless LAN. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
This flash card reader combines universal compatibility with professional performance in a remarkably compact design. The dual-interface approach with both USB-C and USB-A connectors ensures connectivity with virtually any modern computer system, while the simultaneous slot access capability eliminates the need for card swapping during multi-card workflows.
Universal Connectivity
Features both USB-C and USB-A connectors on opposite ends, providing compatibility with Thunderbolt 3 ports, modern laptops, desktop computers, and legacy systems without requiring adapters.
- USB-C for modern devices
- USB-A for legacy systems
- Thunderbolt 3 compatible
Professional-Grade Performance
Supports SD 3.01 and UHS-I standards for optimal performance with high-speed memory cards, ensuring fast transfer of large media files and data archives.
- SD 3.01 compliant
- UHS-I support
- 5Gbps transfer speed
Compact Portability
With dimensions similar to a standard USB flash drive and weighing just 0.4 ounces, this reader is ideal for mobile professionals, field photographers, and users who need reliable card access on the go.
- Flash drive size
- Lightweight design
- Included protective caps
Deployment / Use Cases
The SDMSDRWU3AC serves as an essential tool for content creation professionals who regularly work with camera media. Photographers transferring RAW image files from DSLR and mirrorless cameras benefit from the simultaneous slot access when working with primary and backup cards. Videographers handling 4K and 8K footage appreciate the USB 3.1 speeds for moving large video files efficiently.
In business environments, this reader supports IT departments managing firmware updates, system administrators handling configuration backups, and office users transferring presentation materials. The OS-independent design makes it equally suitable for Windows-based workstations, macOS creative suites, Linux servers, Chrome OS devices, and mobile platforms including iPad OS and Android tablets.
Physical Profile
Measuring just 2.9 × 0.8 × 0.4 inches (73 × 20 × 11 mm) and weighing approximately 0.4 ounces, this reader maintains an exceptionally compact footprint that fits easily in laptop bags, camera cases, or pockets. The external form factor requires no installation—simply connect to an available USB port. The design includes protective end caps for both USB connectors, preserving port integrity during transport and storage.
- Width
- 0.80" (20.32 mm)
- Depth
- 3.10" (78.74 mm)
- Height
- 0.40" (10.16 mm)
- Weight
- 0.40 oz (11.34 g)
What's in the Box
The package includes everything needed for immediate use with flash memory cards.
Package contents include Flash Reader, 2 x End caps, 1 x Quick-start guide. These included items support setup, installation, and immediate deployment without needing to source the core bundled accessories separately.
Highlights
- Dual-slot design supports simultaneous SD and microSD card access
- USB-C and USB-A connectors provide universal compatibility
- USB 3.1 Gen 1 delivers 5Gbps transfer speeds
- Supports capacities up to 1.95TB with SDXC/microSDXC compatibility
- Compact portable design similar to USB flash drive
- OS independent—works with Windows, macOS, Linux, Chrome OS, iPad OS, Android
- Bus-powered operation requires no external power source
- Includes protective end caps for connector protection
- Backward compatible with USB 2.0/1.1/1.0 systems
- 2-year limited warranty with EU RoHS environmental compliance
Specifications
| Specifications | |
|---|---|
| Manufacturer | StarTech.com |
| Manufacturer Part Number | SDMSDRWU3AC |
| Brand Name | StarTech.com |
| Product Name | Flash Reader |
| Packaged Quantity | 1 Each |
| Product Type | Flash Reader |
| Technical Information | |
| Memory Card Supported | SD,MultiMediaCard (MMC),microSD,SDHC,SDXC,microSDHC,microSDXC |
| Storage Capacity | 1.95 TB |
| Network & Communication | |
| Wireless LAN | No |
| Interfaces/Ports | |
| Host Interface | USB Type C,USB 3.1 |
| Physical Characteristics | |
| Height | 0.40" (10.16 mm) |
| Width | 0.80" (20.32 mm) |
| Depth | 3.10" (78.74 mm) |
| Form Factor | External |
| Weight (Approximate) | 0.40 oz (11.34 g) |
| Miscellaneous | |
| Package Contents | Flash Reader 2 x End caps 1 x Quick-start guide |
| Country of Origin | China |
| Environmentally Friendly | Yes |
| Environmental Certification | EU RoHS |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) 2,Registration, Evaluation, Authorization and Restriction of Chemicals (REACH),Waste Electrical and Electronic Equipment Directive (WEEE) |
| Warranty | |
| Limited Warranty | 2 Year |
User Manual
FAQ
What memory card formats does this reader support?
The StarTech.com SDMSDRWU3AC supports SD, MultiMediaCard (MMC), microSD, SDHC, SDXC, microSDHC, and microSDXC formats. With appropriate adapters (not included), it can also read MMC-plus, MMCmobile, RS-MMC, MMC micro, and miniSD cards. This comprehensive format support covers most consumer and professional flash memory cards used in cameras, drones, mobile devices, and embedded systems.
Can I use both card slots at the same time?
Yes, this reader features Dual LUN (Logical Unit Number) architecture that enables simultaneous access to both the SD/MMC slot and microSD slot. You can read from or write to both cards concurrently, which is particularly useful for photographers working with primary and backup cards or users transferring files between different media types without swapping cards.
What operating systems are compatible with this card reader?
This flash card reader is OS independent and compatible with Windows, macOS, Linux, Chrome OS, iPad OS, and Android operating systems. The plug-and-play design requires no additional drivers for most modern systems, making it suitable for mixed-IT environments, creative workstations, and mobile devices across different platforms.
What is the maximum storage capacity supported?
The reader supports memory cards with capacities up to 1.95TB. It is fully compatible with SDHC and microSDHC high-capacity cards (up to 32GB) as well as SDXC and microSDXC extended-capacity cards (32GB to 1.95TB). This capacity support handles large media files, 4K/8K video footage, and extensive data archives commonly used in professional content creation.
Does this reader work with both USB-C and USB-A ports?
Yes, the SDMSDRWU3AC features both USB-C and USB-A connectors on opposite ends of the device. The USB-C connector works with modern laptops, tablets, and desktop computers, while the USB-A connector maintains compatibility with legacy systems. Protective end caps are included for both connectors to prevent damage during transport when not in use.
What is the data transfer speed of this card reader?
This USB 3.0 flash card reader utilizes USB 3.1 Gen 1 technology with a maximum theoretical transfer speed of 5Gbps. Actual performance depends on card speed ratings and system capabilities, but this represents a significant improvement over USB 2.0 readers. The interface is backward compatible with USB 2.0, 1.1, and 1.0 systems at their respective speeds.
| Qty | Price | Available |
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