

⚡ Capture. Transfer. Conquer. The CompactFlash card that means business.
The SanDisk 128GB Extreme CompactFlash Memory Card (UDMA 7) delivers professional-grade performance with read speeds up to 120MB/s and write speeds up to 85MB/s. Designed for mid to high-end DSLR cameras and HD camcorders, it supports VPG-20 for smooth video capture and withstands extreme temperatures and physical shocks. With 128GB of storage, it’s ideal for burst-mode photography and Full HD video, making it the go-to choice for professionals who demand speed, reliability, and durability.







| ASIN | B00NUB2TWI |
| Additional Features | Temperature Proof |
| Best Sellers Rank | #1 in CompactFlash Memory Cards |
| Brand | Sandisk |
| Built-In Media | Flash Memory, Flash Memory Card, Memory |
| Color | Black |
| Compatible Devices | Camera |
| Customer Reviews | 4.7 out of 5 stars 9,531 Reviews |
| Flash Memory Type | CompactFlash |
| Hardware Connectivity | CompactFlash |
| Item Dimensions L x W | 1.68"L x 1.41"W |
| Item Type Name | Sandisk Extreme 128GB 120MB/S UDMA7 Compact Flash Memory Card - SDCFXSB-128G-G46 |
| Item Weight | 18.14 g |
| Manufacturer | Sandisk |
| Media Speed | 85 Megabytes Per Second |
| Memory Storage Capacity | 128 GB |
| Model Name | SDCFXSB-128G-G46 |
| Model Number | SDCFXSB-128G-G46 |
| Read Speed | 120 Megabytes Per Second |
| Secure Digital Association Speed Class | Class 10 |
| UPC | 619659124748 |
| Unit Count | 1.0 Count |
| Warranty Description | 1 year warranty |
| Warranty Type | Limited |
I**Y
The Digital Workhorse for Cameras That Still Mean Business
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
M**.
Authentic, Good Price
Authentic card. Works great in my Canon 5D MarkII. The number of shots it will hold is plenty over 999.
C**Y
Worth the Price
Great item! I’m using as Backup on my Nikon D800. Worth the price, thank you!
L**_
Works for my needs
Got this as a back up for a wedding shoot. Good quality for the money.
M**.
Great deal, fast I/O
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.
B**U
It's perfect for 1000 raw pics
Solid, great pics. Should have bought a 64 or larger
T**E
It works
It worked. I never had any issues.
8**L
Reliable storage
Decided to revive my wife’s iPod. After doing some research, i decided to expand the storage with the cf card. Went from 4GB to a whopping 128GB! Everything went well! Smooth install and was able to load up 5k songs without any issues! Highly recommend!
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