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Sandisk 128GB CFexpress 4.0 Type B Cards - PCIe4x2 CF - 3700MB/s(R) - 3500MB/s(W) - SDCFEB-128G-GN4NN
- Introducing the SANDISK Extreme PRO CFexpress 4.0 Type B card. Enabling seamless capture of 4K, 6K, 8K, and even 12K footage3so you're ready for every critical moment.
- Its high capacity gives you the freedom to create without limits, helping ensure key details of your vision are preserved.
- This is where speed meets storage, and your masterpiece begins.
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Overview
Specs
Reviews
SANDISK CFEXPRESS 4.0 TYPE B CARDS PCIE4X2 128GB CF 3700MB/S (R) / 3500MB/S (W)
Warranty & Returns
Warranty, Returns, And Additional Information
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Warranty Notice:
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.
Manufacturer Contact Info
- Manufacturer Website
- Support Phone: 1-800-275-4932
- Support Website
- View other products from Western Digital
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The SanDisk Extreme PRO 128GB CFexpress 4.0 Type B card is designed for creators using compatible cameras to capture demanding 4K, 6K, 8K, or 12K footage, with listed read speeds up to 3700MB/s and write speeds up to 3500MB/s.
Recommended For
- Video crews recording high-bitrate footage on a camera that supports CFexpress Type B and can sustain the required write rate; the 128GB card’s specified minimum sustained write speed is 900MB/s.
- Photographers covering fast action who use a compatible CFexpress Type B camera and need a card suited to rapid burst shooting and clearing the camera buffer.
- Editors and production teams who frequently ingest large shoots and have a CFexpress 4.0/USB4-compatible Type B reader and a fast computer connection to make use of faster transfers.
- Creators who want a CFexpress Type B card for compatible cameras but prefer a 128GB card for shorter shoots, planned offloads, or carrying multiple smaller cards rather than one high-capacity card.
Real-World Use Scenarios
- A videographer records high-bitrate footage on a camera that supports CFexpress Type B; the card’s 900 MB/s minimum sustained write speed can support demanding recording modes when the camera’s bitrate stays within that limit. Check the camera’s card requirements and recording mode before relying on it.
- A sports or wildlife photographer shoots repeated RAW bursts; in a compatible camera, fast card writing can help clear the camera buffer sooner, reducing the wait before the next burst. The camera’s own buffer and shooting settings still affect the result.
- A photographer or videographer copies a shoot to a computer between sessions; using a compatible CFexpress reader and host can make transfers more efficient than waiting for the camera connection. The card’s maximum read speed is not guaranteed in every reader or computer setup.
- A hybrid creator uses one card for a focused shoot of stills and video; 128GB provides a fast working-media option, but high-bitrate recording can fill it quickly, so plan to offload or swap cards during longer sessions.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Camera users needing 128 GB of CFexpress flash storage |
| Capacity | 128 GB |
| Interface And Media Type | CFexpress flash memory |
| Read And Media Speed | Read speed of 3700 MB/s; media speed of 3500 MB/s |
| Video Speed Class | V1600 |
| Physical Details | Item weight: 0.02 lb; package weight: 0.03 kg; item length: 0.09 in and width: 1.43 in; package dimensions: 1.6 × 10.2 × 15 cm |
| Package Contents | 1 card |
| Durability | Drop-proof |
| Brand And Manufacturer | Western Digital; manufactured by Sandisk Technologies, Inc. |
| Model Identifiers | SANDISK 128GB Extreme PRO CFexpress 4.0 Type B Card; model SDCFEB-128G-GN4NN |