SanDisk

SanDisk SDCFXS-128G-X46 Extreme 128GB CompactFlash Card

4.6 (136 reviews)

Capture High-Speed Moments with SanDisk Extreme CompactFlash Card Unleash the potential of your DSLR or HD camcorder with the SanDisk Extreme CompactFlash Memory Card. With read speeds up to 120MB/s and write speeds up to 85MB/s, this card is perfect for capturing fast action shots and recording ...

$189.33*
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*Price sourced from Amazon.com. Last updated:Jun 28, 2026.Price and availability are subject to change.

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Overview

Capture High-Speed Moments with SanDisk Extreme CompactFlash Card

Unleash the potential of your DSLR or HD camcorder with the SanDisk Extreme CompactFlash Memory Card. With read speeds up to 120MB/s and write speeds up to 85MB/s, this card is perfect for capturing fast action shots and recording Full HD video. Built to withstand extreme conditions, it ensures your memories are safe and secure.

Specifications:

  • Brand: SanDisk
  • Model: SDCFXS-128G-X46
  • Capacity: 128GB
  • Read Speed: Up to 120MB/s
  • Write Speed: Up to 85MB/s
  • Video Speed: VPG-20
  • Form Factor: CompactFlash
  • Durability: Tested for Durability in Extreme Conditions
  • Protection: Sealed with RTV silicone for added protection against shock and vibration

Key Features

Fast transfer speeds up to 120MB/s(read) for increased workflow efficiency

Fast shot speeds up to 60MB/s(write) for faster continuous burst shooting

Video Performance Guarantee (VPG-20) performance for Full HD video

Tested for durability in extreme conditions

Sealed with RTV silicone for added protection against shock and vibration

Shoot like a Pro with the most trusted flash memory brand worldwide

Specifications

Brand
SanDisk
Model
SDCFXS-128G-X46 Extreme
Card Type
CompactFlash
Capacity
128GB
Read Speed
Up to 120MB/s
Write Speed
Up to 60MB/s
Video Performance
Video Performance Guarantee (VPG-20) for Full HD
Durability Features
Tested for extreme conditions, RTV silicone seal (shock and vibration protection)

Pros & Cons

👍 Pros

  • Achieves fast transfer speeds of up to 120MB/s (read), enhancing workflow efficiency.
  • Offers rapid shot speeds of up to 60MB/s (write), beneficial for continuous burst shooting.
  • Features Video Performance Guarantee (VPG-20) for consistent Full HD video recording.
  • Tested for durability in extreme conditions, ensuring reliable performance in harsh environments.
  • Sealed with RTV silicone for additional protection against shock and vibration, enhancing longevity.

👎 Cons

  • The 128GB capacity, while substantial, might be insufficient for professionals shooting very high-resolution video or continuous raw photos.
  • While durable, CompactFlash cards require a specific card reader, which might not be as common as SD card readers on newer devices.
  • The maximum read speed of 120MB/s is fast but may not match the absolute fastest speeds available in newer card formats.
  • The VPG-20 rating guarantees Full HD, but may not be optimal for recording higher resolution video like 4K or 8K without potential limitations.
  • The specified "extreme conditions" are broad and users should verify suitability for their specific environmental challenges.

Frequently Asked Questions

The SanDisk Extreme 128GB CompactFlash card offers fast transfer speeds up to 120MB/s for reading and quick shot speeds up to 60MB/s for continuous burst shooting.
Yes, it features Video Performance Guarantee (VPG-20) performance, ensuring it is well-suited for reliable Full HD video recording.
This card has been tested for durability in extreme conditions and is sealed with RTV silicone for added protection against shock and vibration.
This particular model offers a storage capacity of 128GB, providing ample space for photos and videos.
Yes, it is sealed with RTV silicone, which provides enhanced protection against shock and vibration, contributing to its overall durability.