What are UHS-I, UHS-II, and UHS-III?

Modified on: Wed, 24 Sep, 2025 at 10:11 AM

Ultra High Speed (UHS) bus standards. UHS-I supports up to 104 MB/s, UHS-II up to 312 MB/s, UHS-III up to 624 MB/s.

Did you find it helpful? Yes No

What capacities are available?
What does OTG mean?
What’s memory latency (CL)?
What is DDR in RAM?
What drivers should I use?
What is TBW in SSDs?
What is microSD Express?
What does Class 10 mean?
What is over-provisioning in SSDs?
What devices use microSD Express?

SUPPORT

For PNY product technical support, please call us at 1-800-234-4597 (Mon-Friday, 9:00am-7:30pm EST)
For website order inquiries and support, please call us at 1-800-769-0143 (Mon-Friday, 9:00am-5:30pm EST) or you can browse our FAQs and return policies.

What are UHS-I, UHS-II, and UHS-III?

Related Articles

SUPPORT