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SANDISK

SANDISK 128GB Extreme CompactFlash Memory Card, UDMA 7

  • Based on 14,760 reviews
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Availability: Only 3 left in stock, order soon!
Fulfilled by Amazon
Arrives Sunday, Oct 25
Order within 20 hours and 56 minutes
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Capacity: 128GB


Style: Memory Card


Features

  • Exceptional Shot to Shot Performance ; Read speeds of up to 120MB/s and write speeds of up to 85MB/s
  • Professional Grade Video Capture ; VPG 20 ensures sustained data recording rate of 20MB/s for a smooth and unbroken video stream
  • Durable Design ; Backed by rigorous stress, shock, and vibration testing and includes RTV silicone coating for protection against shock and vibration
  • It operates in nearly any climate, with a functioning temperature range of -13 to 185 degrees Fahrenheit

Description

and transfer speed (up to 120MB/s); 16GB - 128GB cards only. Ideal for use with mid-range to high-end DSLR cameras and HD camcorders, the SanDisk Extreme CompactFlash Memory Card delivers first-rate read/write speeds to catch fast action shots and enable quick file transfers. Take advantage of burst-mode photography with the card's write speeds of up to 85MB/s (567X) and enjoy efficient workflow with its transfer speeds up to 120MB/s (16GB - 128GB cards only). With capacities up to 128GB, this memory card provides plenty of storage for Full HD videos and RAW photos.

Brand: SANDISK


Model Name: SDCFXSB-128G-G46


Flash Memory Type: CompactFlash


Memory Storage Capacity: 128 GB


Compatible Devices: Camera


Flash Memory Type: CompactFlash


Memory Storage Capacity: 128 GB


Compatible Devices: Camera


Additional Features: Temperature Proof


Read Speed: 120 megabytes_per_second


Media Speed: 85 megabytes_per_second


Hardware Connectivity: CompactFlash


Secure Digital Association Speed Class: Class 10


Flash Memory Video Speed Class: V20


Item Weight: 18.14 g


Item Dimensions L x W: 1.68"L x 1.41"W


Warranty Type: Limited


Color: Black


Brand: SANDISK


Model Name: SDCFXSB-128G-G46


Model Number: SDCFXSB-128G-G46


Manufacturer: Sandisk


UPC: 619659124748


Number of Items: 1


Number of Packs: 1


Item Highlight: Read Speeds Up to 120MB/s, Shot Speeds Up to 85MB/s - SDCFXSB-128G-G46


Unit Count: 1 Count


Built-In Media: Flash Memory, Flash Memory Card, Memory


Item Type Name: Sandisk Extreme 128GB 120MB/S UDMA7 Compact Flash Memory Card - SDCFXSB-128G-G46


Mfr Part Number: SDCFXSB-128G-G46


Warranty Description: 1 year warranty


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Oct 25

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
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  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Reliable
Capacity: 32GB Style: Memory Card
Works as expected! Very fast and fits perfectly in my camera!
Reviewed in the United States on August 15, 2026 by Amy McNew
    • Tried and true storage for your digital camera
Capacity: 32GB Style: Memory Card
I recently paid $100 for a 19 year old digital SLR camera that originally cost $1,800, A Nikon D300. This tiny powerhouse is the ultimate digital packmul — proving that size really doesn't matter when you have UDMA 7 speeds on your side. It gobbles up high-res RAW files and 4K video faster than a caffeine-fueled paparazzi at a red-carpet event, making card-induced lag a thing of the past. It is built like a tiny tank, so you can drop it, freeze it, or accidentally bake it in the desert, and it will still guard your precious memories like a loyal digital watchdog. If you are tired of your camera waiting on your memory card instead of the other way around, this SanDisk Extreme is the reliable, lightning-fast upgrade your gear bag has been begging for. ... show more
Reviewed in the United States on June 10, 2026 by Joe
    • Holds Over One Thousand Images On Older Cameras - Unbeatable SanDisk High Quality
Capacity: 32GB Style: Memory Card
An excellent storage device for my older Nikon D70s & D200 and Fujifilm S5 Pro cameras. The 32GB capacity holds well over a thousand images so I don't have to carry a second card. (But I do carry old 4GB cards as back ups for each camera,) Additional, you cant beat SanDisk's high quality.
Reviewed in the United States on August 27, 2026 by HHG
    • Great product
Capacity: 128GB Style: Memory Card
Great for what I need
Reviewed in the United States on August 28, 2026 by Alisha B
    • Great deal, fast I/O
Capacity: 32GB Style: Memory Card
Super fast speeds for an old standard. My use was for an old desktop, so the computer was the limiting factor instead of the disk’s read/write speed. As a trusted brand known for reliability at a great price, this was a no-brainer. I only deduct a star for the packaging - seemingly every usb, flash disk, etc these days comes in packaging that is nearly impossible to open without scissors. This product is no different. ... show more
Reviewed in the United States on August 26, 2025 by Mercedes G.
    • The Digital Workhorse for Cameras That Still Mean Business
Capacity: 32GB Style: Memory Card
Look, CompactFlash may not be the new hotness—but for certain DSLRs, video rigs, or embedded systems, it’s still the most dependable format in the game. And this SanDisk 32GB Extreme CF card? Straight up the gold standard for when your files matter and failure is not an option. I’ve run this in: A Canon 5D Mark III (yes, it’s still a beast) A Blackmagic Pocket Camera setup A logic analyzer that insists on CF because it was built in the George W. era Speeds are consistent. It actually hits the advertised 120MB/s read and ~85MB/s write in real-world testing (not just synthetic benchmarks). Perfect for RAW photo bursts, 1080p video recording, or even high-speed logging. What I Like: UDMA 7 support = no bottlenecks on supported cameras Rock-solid durability—resistant to temperature swings, drops, and the occasional backpack apocalypse 32GB sweet spot: large enough for long shoots, small enough for safe file rotation (yes, that’s still a thing) SanDisk’s reliability is still unmatched in this space—never had one corrupt on me What Could Be Better: Pricing is a little premium—but you’re paying for mission-critical reliability, not bulk storage Still no write-protect switch (why, CF gods?) CF readers are rare these days—make sure you’ve got a good USB 3.0 adapter ... show more
Reviewed in the United States on March 29, 2025 by Ian L Terry
    • Solid card.
Capacity: 32GB Style: Memory Card
Great cards. Bought these for a racing weekend and they performed flawlessly.
Reviewed in the United States on July 8, 2026 by Amazon Customer
    • Brand you can count on
Capacity: 128GB Style: Memory Card
Trust wothey
Reviewed in the United States on July 8, 2026 by Peter Dombrowsky

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