SanDisk SDCFXPS-128G-X46 128GB Extreme PRO CompactFlash Memory Card

Name: SanDisk SDCFXPS-128G-X46 128GB Extreme PRO CompactFlash Memory Card
Brand: SanDisk
SKU: SDCFXPS-128G-X46

Overview

The SanDisk SDCFXPS-128G-X46 Extreme PRO CompactFlash card delivers 128GB of high-speed storage built for professional photography and videography. With read speeds up to 160MB/s (1067X) and write speeds up to 150MB/s (1000X), it handles rapid burst shooting of large RAW files and sustained 4K or Full HD video recording without buffering delays. The card supports UDMA 7, the fastest CompactFlash transfer protocol, ensuring maximum throughput when paired with compatible cameras and card readers.

Durability is a key feature of this card. SanDisk has engineered it to withstand X-rays, water exposure, and extreme temperatures, making it a dependable choice for photographers working in unpredictable outdoor environments or traveling through airport security frequently. The 128GB capacity strikes a practical balance between ample storage and cost, providing enough room for thousands of high-resolution images or extended video shoots. While the CompactFlash format is gradually being replaced by CFexpress and other newer standards, this card remains an excellent option for professionals using cameras with CF card slots who need fast, reliable, high-capacity storage.

Key Features

Records and captures cinema quality 4K and Full HD video(1)

Increase workflow efficiency with transfer speed of up to 160MB/s (1067X) read speeds. Based on internal testing; performance may vary. MB=1,000,000 bytes. X = 150KB/sec.

Industry leading shot speed performance of up to 150MB/s (1000X) write speeds. Based on internal testing; performance may vary. MB=1,000,000 bytes. X = 150KB/sec.

Specifications

Brand

SanDisk

Model

SDCFXPS-128G-X46

Capacity

128GB

Read Speed

Up to 160MB/s (1067X)

Write Speed

Up to 150MB/s (1000X)

UDMA

7

Hardware Interface

CompactFlash

Durability

X-Ray Proof, Waterproof, Temperature Proof

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Pros & Cons

👍 Pros

Read speeds up to 160MB/s dramatically reduce file transfer times during post-production workflows
160MB/s read and 150MB/s write speeds support fast continuous shooting and 4K video recording
128GB capacity provides substantial space for large RAW files and extended video sessions
Write speeds up to 150MB/s support burst shooting and sustained 4K video recording without buffering
128GB capacity provides ample storage for extended professional shoots
UDMA 7 support maximizes transfer performance with compatible cameras and card readers
Built-in durability against X-rays, water, and extreme temperatures suits demanding field environments
Built-in durability with waterproof, temperature-proof, and X-ray-proof construction
UDMA 7 interface ensures maximum performance with compatible professional cameras

👎 Cons

CompactFlash form factor is being phased out in newer cameras in favor of CFexpress and SD formats
CompactFlash form factor is larger and heavier than modern SD or CFexpress cards
Only useful in cameras and devices with CompactFlash slots, which are increasingly uncommon in new gear
No included card reader, and UDMA 7 readers are needed to achieve maximum transfer speeds
Higher price per gigabyte compared to equivalent-capacity SD cards
Maximum speeds require a UDMA 7-compatible camera or reader to be fully realized
Thicker CompactFlash form factor takes up more space in gear bags than slimmer card formats

Frequently Asked Questions

What cameras is this CompactFlash card compatible with?

The SanDisk Extreme PRO CompactFlash card works with any camera or device that accepts CompactFlash Type I cards with UDMA 7 support, including professional DSLRs from Canon and Nikon that feature CF card slots.

What read and write speeds does this card deliver?

It provides up to 160MB/s (1067X) read speed and up to 150MB/s (1000X) write speed, enabling fast burst shooting and efficient file transfers.

Can this card record 4K video?

Yes, it is rated for cinema-quality 4K and Full HD video recording, making it suitable for professional video workflows that use CompactFlash-compatible cameras.

Can this card record 4K video reliably?

Yes, with write speeds up to 150MB/s, this card is designed to handle the sustained data rates required for cinema-quality 4K and Full HD video recording without dropped frames.

How fast can I transfer files from this card to my computer?

The card supports read speeds up to 160MB/s (1067X), which significantly accelerates file transfers to your computer when used with a UDMA 7-compatible card reader.

What UDMA mode does this card support?

It supports UDMA 7, the highest CompactFlash transfer mode, which is required to reach the card's maximum speeds when paired with a UDMA 7-compatible camera or reader.

Is this card resistant to environmental hazards?

Yes, SanDisk rates the Extreme PRO CompactFlash as X-ray proof, waterproof, and temperature proof, providing durability for field use in challenging conditions.

Is this card durable enough for outdoor and travel photography?

Yes, SanDisk engineered this card to be X-ray proof, waterproof, and temperature proof, making it well-suited for demanding shooting environments and frequent travel.

What does UDMA 7 mean for this card's performance?

UDMA 7 is the fastest transfer mode available for CompactFlash cards, enabling the card to reach its maximum rated read and write speeds when paired with a UDMA 7-compatible camera or reader.