Delkin Power 128GB SDXC UHS-II Memory Card - V90 Performance

In this review the Delkin Power 128GB SDXC UHS-II card is examined for professional stills and video work; the bottom line is that it delivers the sustained write and read speeds needed for modern high-resolution workflows, so it is worth considering for photographers and videographers who need reliable, fast media. The reviewer found the card particularly suited to continuous burst RAW shooting and high-bitrate video capture because of its Video Speed Class V90 rating and advertised write speeds above 250MB/s, and also appreciated the faster offload times when moving files to a workstation.

Key Features

• V90 rating: Ensures a guaranteed minimum sustained write speed of 90MB/s for stable high-bitrate video recording.
• High write speeds: Sustained write performance up to 250MB/s supports continuous burst RAW photography and simultaneous multi-stream recording.
• Fast read speeds: Read throughput up to 300MB/s shortens transfer windows and speeds post-shoot workflow.
• Durable construction: Shockproof, waterproof, and X-ray proof design helps protect footage and images during field use.
• Professional optimization: Built for DSLRs, camcorders and UHS-II compatible cameras that demand high sustained performance for 8K, 4K, HDR and 360o capture.
• Support and warranty: Lifetime Warranty plus a 48-hour replacement guarantee for manufacturer defects provides fast peace of mind.

Who It's For

The Delkin Power 128GB card is aimed at professional photographers and videographers shooting high-resolution, high-bitrate formats like 8K, 4K, HDR, and 360o video, or anyone doing sustained continuous burst RAW shooting. For users with UHS-II capable bodies who need fast offload speeds and reliable sustained writes, this card provides the performance to avoid dropped frames or buffering delays.

Casual shooters or users who record short, low-bitrate clips and rarely push sustained write performance may find lower-cost cards acceptable; likewise, anyone who needs very large capacity for extended multi-day shoots should consider higher capacity options rather than a single 128GB card.

Pros & Cons

Pros

• High sustained write and read speeds that support demanding recording modes and quick data offload.
• V90 rating gives confidence for professional video capture without dropped frames.
• Rugged construction and a Lifetime Warranty reduce risk during fieldwork.

Cons

• Some customers report mixed longevity over long-term use, so heavy continuous use may reveal lifespan variability.

Specifications

Capacity	128GB
Interface	SDXC UHS-II
Read speed	Up to 300MB/s
Write speed	Up to 250MB/s
Video Speed Class	V90
Durability	Shockproof, waterproof, X-ray proof
Warranty	Lifetime Warranty with 48-Hour Replacement Guarantee

Our Verdict

The Delkin Power 128GB SDXC UHS-II card is a strong choice for professionals who need reliable, sustained write speeds and fast transfers for 8K/4K and high-frame-rate work; it represents good value for those workflows thanks to rugged build and warranty support. For casual users who do not need V90 performance, a less expensive card will be sufficient, but for demanding capture scenarios this card is worth the investment.

Frequently Asked Questions

Will this card support continuous RAW burst shooting?
Yes, the sustained write performance and V90 rating make it suitable for continuous burst RAW shooting in compatible cameras.

Is the faster read speed useful?
Yes, read speeds up to 300MB/s reduce file transfer time and speed your workflow when offloading to a computer.

What protection and support comes with the card?
The card is shockproof, waterproof and X-ray proof and comes with a Lifetime Warranty plus a 48-Hour Replacement Guarantee for manufacturer defects.