Delkin Devices 256GB UHS-II U3 SDXC Memory Card
Best rugged storage for professional photographers and high-end videographers.
Capture your most demanding content with the Delkin BLACK 256GB SDXC UHS-I memory card. Engineered for professionals, its specialized casing is three times stronger than standard SD cards, offering exceptional durability against water, shock, and X-rays. This card ensures reliable performance in extreme temperatures, from -25°C to 85°C. Experience seamless 4K video recording and rapid RAW burst shooting thanks to its high write speeds. Plus, quickly offload your large files with impressive read speeds, minimizing downtime and keeping your creative workflow uninterrupted.
$104.99
Owner Satisfaction
4.7
/ 5
Category Rank
16
/ 753
#16 in Flash Memory Cards
Price vs Category Average
+52%
Above average
Capacity
256
/ GB
Who it's for
- Professional photographers needing rapid file transfers and high-bitrate video
- Event videographers requiring long recording times without frequent card swaps
- Field journalists working in rugged or unpredictable outdoor environments
Who should skip it
- Casual shooters using older cameras lacking UHS-II hardware support
- Budget-conscious hobbyists looking for cost-effective storage solutions
- Cinematographers filming long-form projects sensitive to thermal performance
Performance breakdown
Physical Durability
Reinforced casing provides superior protection against drops and environmental hazards.
Write Speed Consistency
Reliable V30 performance ensures steady 4K recording without dropped frames.
Environmental Resilience
Handles extreme temperature shifts with ease for demanding field work.
Data Transfer Efficiency
Solid read speeds for daily tasks, though trailing behind UHS-II alternatives.
Professional Reliability
Built to withstand the rigors of professional photography and videography.
Burst Shooting Capability
Handles rapid RAW sequences effectively for most high-resolution camera bodies.
Key Specs
Capacity
256GB
Interface
UHS-I
Sequential Read Speed
90 MB/s
Sequential Write Speed
90 MB/s
Video Speed Class
V30
UHS Speed Class
U3
Form Factor
SDXC
Operating Temperature Range
-25°C to 85°C
Features
- 3X stronger than standard SD cards
- Water, shock, and X-ray proof durability
- Ideal for 4K video and RAW burst capture
- Fast read speeds for quick file transfers
- Operates in extreme temperatures
- Built for DSLRs and advanced camcorders
- Guaranteed sustained write speed
- Unbreakable specialized casing
What customers say
This Delkin 256GB UHS-II card earns high praise primarily for its exceptional speed and unwavering reliability, making it a top choice for professionals. Users consistently report that fast read speeds significantly cut down large file transfer times, streamlining demanding workflows. Its dependable performance is frequently noted during extended high-bitrate 4K and 6K video recording, where dropped frames are absent. While the card carries a premium cost, the consensus is that the substantial gains in speed and dependability fully justify the investment. Professionals view this robust card as a necessary workhorse that delivers on its promise of maximum performance.
Know before you buy
Yes, this card features a V30 Video Speed Class rating, which guarantees the sustained write speeds necessary for smooth 4K video capture without dropped frames.
The BLACK series uses a specialized, reinforced casing designed to be three times stronger than standard plastic SD cards. This makes it significantly more resistant to physical damage, such as bending or crushing.
Absolutely. This card is built to function reliably in temperatures ranging from -25°C to 85°C, making it suitable for both freezing outdoor shoots and high-heat environments.
Yes, it is fully waterproof, shockproof, and X-ray proof. These features help protect your data from common accidents and security screening processes while traveling.
This card is compatible with most devices that support the SDXC format, specifically targeting professional DSLRs and advanced camcorders that require high-speed, reliable storage.
With sequential read speeds of up to 90 MB/s, you can offload large batches of RAW photos or high-resolution video files relatively quickly, helping to reduce your time spent waiting at the computer.
Still have a question?
Ask Hayley anything about this product before you decide.