Delkin Devices POWER UHS-II (V90) SDXC review

Delkin Devices POWER UHS-II (V90) SDXC is the fastest card on this list and the only one with a V90 rating. Delkin lists up to 300MB/s read, 250MB/s write and a 90MB/s minimum write, which is what high bit rate codecs in cinema-style mirrorless cameras ask for. Delkin says it is built for uninterrupted 8K, 6K and 4K video at high frame rates and approved for RAW burst shooting, and it rates the card water, shock and X-ray proof. Sizes run from 64GB to 2TB, the largest here. That speed costs money: the Delkin store showed $152.99 for 128GB, nearly twice the ProGrade V60 card at the same size. The product page we checked does not state a warranty term, so confirm it with Delkin before buying. If your camera does not need V90, a V60 card from ProGrade or Lexar will record 4K for less. We compared documented features and published prices; we did not test the cards ourselves.

Who it is for

video shooters recording 8K, 6K or high frame rate 4K

Price

$152.99 for 128GB at the Delkin Devices store.

(64GB-2TB) 128GB $152.99
Quoted from the vendor pricing page on November 14, 2026.

Key features

• Up to 300MB/s read and 250MB/s write
• 90MB/s minimum write with UHS-II, V90, U3 and Class 10 ratings
• Built for uninterrupted 8K, 6K and 4K video at high frame rates
• Capacities from 64GB to 2TB
• Water, shock and X-ray proof

Strengths and weaknesses

• Strength: Fastest read and write speeds on this list
• Strength: Only card here with a V90 rating
• Strength: Largest capacity on this list at 2TB
• Weakness: $152.99 for 128GB is the highest price per card at that size here
• Weakness: The Delkin store page does not state the warranty term
• Weakness: Speed advantage needs a UHS-II camera and reader

Key facts

• Price checked: $152.99 for 128GB at Delkin
• Bus: UHS-II
• Speed class: V90, U3, Class 10
• Read and write: Up to 300MB/s and 250MB/s
• Capacities: 64GB to 2TB

Where it ranks

Delkin Devices POWER UHS-II (V90) SDXC is No. 8 in our Best SD Cards verdict.