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Rectangular black SDXC memory card with gold contacts and Wintec Professional PLUS branding

Wintec Industries

Wintec Industries 3FMSD64GBU1PI-R 64GB SDXC memory card

SKU CH-483B-56335 MPN 3FMSD64GBU1PI-R

64 GB SDXC card with UHS-I U1 Class 10 speeds up to 60 MB/s read and 40 MB/s write for burst-mode DSLR and HD video capture

  • TypeSecure Digital Extended Capacity (SDXC)
  • Capacity64GB
  • Speed Class RatingUHS-I / U1 / Class 10
  • Read Speedup to 60 MB/s
  • Write Speedup to 40 MB/s
  • FeaturesGreat for burst mode DSLR settings Capture images using larg

Capacity 64GB

  • UHS-I U1 Class 10 speeds deliver up to 60 MB/s read performance
  • Write speeds up to 40 MB/s keep burst-mode DSLR shooting smooth
  • 64 GB capacity stores large RAW files and HD video clips
  • Waterproof construction protects data in adverse environments
  • Professional PLUS series built for high-definition camcorders and DSLRs

Professional PLUS SDXC 64GB card

The Wintec Professional PLUS 64GB SDXC card provides high-speed storage for DSLR cameras and HD camcorders. It supports UHS-I, U1 and Class 10 ratings for reliable performance with large file types. The card is built to withstand adverse environments including water exposure. Photographers capture burst sequences and RAW files without interruption.

UHS-I interface with waterproof build

The card uses a standard SDXC form factor compatible with UHS-I bus interfaces for broad device support. Its waterproof construction protects data in challenging shooting conditions. The physical design handles frequent insertion and removal in professional workflows. No additional adapters are needed for standard SDXC slots.

Speed limits of UHS-I U1 Class 10

Maximum read speed reaches 60 MB/s while write speed tops out at 40 MB/s under the U1 specification. These rates suit Full HD video and RAW burst capture but may limit 4K recording or faster workflows. The 64GB capacity fills quickly with high-bitrate footage. Users needing higher throughput or larger volumes must select cards with faster bus interfaces.

Highlights

  • UHS-I U1 Class 10 speeds deliver up to 60 MB/s read performance
  • Write speeds up to 40 MB/s keep burst-mode DSLR shooting smooth
  • 64 GB capacity stores large RAW files and HD video clips
  • Waterproof construction protects data in adverse environments
  • Professional PLUS series built for high-definition camcorders and DSLRs

Specifications

BrandWintec
SeriesProfessional PLUS
Model3FMSD64GBU1PI-R
TypeSecure Digital Extended Capacity (SDXC)
Capacity64GB
Speed Class RatingUHS-I / U1 / Class 10
Read Speedup to 60 MB/s
Write Speedup to 40 MB/s
FeaturesGreat for burst mode DSLR settings
Capture images using large file types
Perfect for High Definition Camcorders
Waterproof
Shipping weight0.01 kg
Package size123 × 90 × 5 mm

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Questions about this item

What does the UHS-I and U1 rating mean for real-world write performance?

The card is rated for sustained write speeds up to 40 MB/s, which meets the U1 minimum of 10 MB/s and supports Full HD video recording without dropped frames.

Will this 64 GB SDXC card fit in my camera's SD slot?

It uses the standard SDXC form factor, so it fits any device with an SDXC-compatible slot; SDHC-only devices cannot use 64 GB cards.

How do I prepare the card before first use, and what step is often missed?

Insert the card into the camera and use the camera's format function to create the correct exFAT file system; formatting on a computer may choose the wrong file system and cause errors.

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