RTS5732
USB 3.0 dual-slot SD card reader controller supporting simultaneous dual-card access
Product Overview
Description
The Realtek RTS5732 is a USB 3.0 dual-slot SD card reader controller enabling simultaneous access to two SD cards, ideal for data transfer between cards and professional photography workflows.
This unique controller supports two independent SD card slots with simultaneous access, allowing users to copy files directly between SD cards without going through the host computer. Both slots support SD, SDHC, SDXC up to 2TB and UHS-I high-speed cards.
RTS5732 is perfect for professional photographers who need to backup photos from one card to another in the field, or for applications requiring simultaneous access to multiple SD cards.
Product Series
RTS
Primary Application
Professional card readers
Key Features
- Dual SD card slots
- Simultaneous card access
- USB 3.0 SuperSpeed
- UHS-I support per slot
- Card-to-card copy
- Up to 2TB per slot
- Independent slot control
- Hot plug support
Specifications
| Interface | USB 3.0 |
|---|---|
| Supported Cards | SD/SDHC/SDXC (2 slots) |
| Max Capacity | 2TB per slot (SDXC) |
| Max Speed | 5 Gbps (USB 3.0) |
| SD Bus | UHS-I (104 MB/s) per slot |
| Power | 5V input |
| Features | Dual-slot, Simultaneous access |
| Operating Temperature | 0°C to +70°C |
| Package | QFN-40 |
| Drivers | Built-in Windows/Linux |
Applications
Professional card readers
Electronic system design
Photography backup devices
Electronic system design
Dual-slot USB readers
Electronic system design
Field backup solutions
Electronic system design
Data duplication systems
Electronic system design
FAE Expert Insights
"RTS5732 is unique with its dual-slot simultaneous access. Photographers love being able to backup one card to another without a computer. Both slots operate independently at full UHS-I speed. This is a specialized solution but invaluable for professional photography workflows."
Dual-slot simultaneous access for professional photography
— Kevin Zhang, BeiLuo
Frequently Asked Questions
Can RTS5732 copy files between two SD cards without a computer?
Yes, RTS5732 supports card-to-card copy functionality. Files can be transferred directly from one SD card to another without going through the host computer's storage. This is valuable for photographers who need to backup photos in the field without a laptop. The copy operation is managed by the controller with progress indication.
Direct card-to-card copy supported. Ideal for field backups without computer.
Do both slots support UHS-I at full speed simultaneously?
Yes, both slots support independent UHS-I operation at up to 104 MB/s each. The USB 3.0 interface provides sufficient bandwidth for both slots to operate at high speed simultaneously. This enables fast card-to-card copying and simultaneous access to both cards without performance degradation.
Both slots support full UHS-I speed. USB 3.0 bandwidth sufficient.
What are typical use cases for dual-slot card readers?
Common use cases include: (1) Photographers backing up photos from camera card to backup card, (2) Copying data between cards for distribution, (3) Comparing contents of two cards, (4) Recovering data from corrupted cards using a second card, (5) Duplicating cards for mass distribution. The dual-slot design adds versatility for professional users.
Ideal for backup, copying, and data management workflows.
Is RTS5732 compatible with all SD card types?
RTS5732 supports SD, SDHC, and SDXC cards up to 2TB capacity in both slots. UHS-I high-speed cards are supported. UHS-II cards are supported at UHS-I speeds. The controller automatically detects card types and configures appropriate communication protocols for each slot independently.
Comprehensive SD card support. UHS-II cards work at UHS-I speeds.
How does RTS5732 compare to using two separate card readers?
RTS5732 offers advantages over two separate readers: (1) Single USB port usage - only one USB connection needed, (2) Integrated card-to-card copy - direct transfer without host processing, (3) Synchronized operation - designed for dual-card workflows, (4) Lower cost - one chip vs two separate controllers, (5) Compact design - integrated solution takes less space.
More efficient than two separate readers. Integrated features add value.