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UGREEN USB C to USB Adaptor Review: Expand storage and add a USB-A port

UGREEN 10Gbps USB C to USB Adaptor OTG Cable Type C Male to USB 3.2 Female Compatible with Thunderbolt 3, iPhone 15/16, MacBook, iPad Pro/Air, Galaxy S23, Huawei P70, Dell XPS 13 and More
4.7
[Expand Phone Storage]  Connect USB drives and SSDs to USB-C phones/tablets to play movies and expand storage instantly.
[Superfast 10Gbps Transfer]  Supports up to 10Gbps for rapid HD movie transfers, 20x faster than USB 2.0.
[Adds USB-A Port]  Turns Type-C/Thunderbolt 3 ports into USB-A to reuse older USB peripherals and accessories.
[Durable, Flexible Design]  Withstands 15,000 bends; 15cm compact cable offers reliable, portable daily use.
[Broad Device Compatibility]  Works with OTG-enabled phones, tablets and Thunderbolt 3 laptops like iPhone, MacBook, Galaxy, Pixel.
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UGREEN USB C to USB Adaptor is a personal computer accessory that expands storage and adds a USB-A port to USB-C and Thunderbolt 3 phones, tablets and laptops. Watch films from a USB stick and move large files fast without relying on cloud uploads. Is a compact adaptor worth carrying every day?

⚡ At a Glance
  • Transfer Speed: Supports up to 10Gbps USB 3.2 data transmission for speedy transfers
  • Best for: Users who need direct access to USB drives from USB-C or Thunderbolt hosts
  • Not ideal for: Devices that are not OTG-enabled or setups needing combined power delivery

Converts a Type-C/Thunderbolt 3 port to a USB-A port for direct OTG access. Short, durable 15cm cable withstands frequent bending and packs easily into a laptop bag.


Expand Phone and Tablet Storage – Thanks to USB-C to USB-A OTG support

Connection of USB-C or Thunderbolt 3 ports to USB-A uses the OTG protocol, allowing host devices to read USB 3.0/2.0 drives and portable SSDs directly. No special drivers are listed, so plug-and-play access is the intended behaviour.

Instant access to movies, photos and large files without cloud transfers, useful for travel, on-location work and quick backups.

Faster File Transfers – With up to 10Gbps USB 3.2 speed

USB 3.2 support enables transfer rates up to 10Gbps, roughly 20 times faster than USB 2.0 according to the product description. That increases throughput for HD video and large archives.

Copy HD movies and large backups in substantially less time, speeding up workflows for content creators and IT tasks.

Built for Everyday Carry – With a compact 15cm cable rated for 15,000 bends

A short 15cm cable length keeps the adaptor compact, while construction passed 15,000 bending tests to improve longevity under regular use. The length tolerance is noted as plus or minus 2cm.

Small footprint fits neatly in a bag or pocket and tolerates frequent plugging and unplugging over months of daily use.

✨ The 4 Key Reasons for UGREEN USB C to USB Adaptor
  1. OTG Storage Access – Access USB drives directly from phones and tablets, no cloud needed
  2. Wide Compatibility – Works with many USB-C and Thunderbolt 3 hosts listed in compatibility
  3. Pocket-friendly Cable – Short 15cm length keeps adaptor neat in laptop bags
  4. Long-lasting Construction – Survives 15,000 bends for repeated daily use and commuting
📋 Technical Details at a Glance
  • Category: Personal Computer accessory
  • Interface: USB-C (male) to USB-A (female)
  • Max Data Transfer: Up to 10Gbps (USB 3.2)
  • Cable Length: 15cm (±2cm tolerance)
  • Durability: Passed 15,000 bending tests
❓ Frequently Asked Questions

Q: Will this adaptor expand my phone's storage?

A: Yes. The adaptor connects USB-C or Thunderbolt 3 phones and tablets to USB flash drives and portable SSDs using OTG, allowing direct access to files and media.

Q: What transfer speeds can I expect?

A: Up to 10Gbps is supported under USB 3.2, which the manufacturer describes as around 20 times faster than USB 2.0 for large-file transfers.

Q: Is the adaptor compatible with MacBooks and Thunderbolt 3 laptops?

A: Yes. Compatibility listings include Thunderbolt 3 hosts such as MacBook Pro and MacBook Air models, alongside many USB-C phones, tablets and laptops.

🏆 Our Verdict

The UGREEN USB C to USB Adaptor is ideal for travellers, photographers and anyone who needs occasional direct access to USB drives from modern USB-C phones and laptops. Converting a Type-C/Thunderbolt 3 port to USB-A with up to 10Gbps transfer speed and a 15,000-bend-rated cable makes it a reliable, compact accessory. While cost varies, robustness and broad compatibility make it a sensible long-term buy.