Best SD Memory Cards for Sony a6400? Here are our top recommended & fastest SD cards for Sony a6400 mirrorless camera.
The Sony a6400 mirrorless camera has only one SD card slot that supports only UHS-I SD cards, which means it will have the very low write speeds at about 32MB/s, and it will not gain any write speed benefits from using a UHS-II SD card, however, you can take advantage of the read speed of UHS-II memory cards (up to 300 MB/s with a USB 3.0 memory card reader), especially when transferring pictures/data to a computer or previewing them on the camera.
Below is our list of best SD memory cards for Sony a6400 mirrorless camera based on the speed and price. Just choose the one you like.
Best Memory Cards for Sony a6400
UHS-I SD Cards:
| # | Preview | Product | |
|---|---|---|---|
| 1 |  | SanDisk 128GB Extreme PRO SDXC UHS-I Card | Check Price |
| 2 |  | Sony 128GB High Performance Class 10 UHS-1/U3 SDHC up to 95MB/s Memory Card | Check Price |
UHS-II SD Cards:
1. SanDisk 128GB Extreme PRO SDXC UHS-I Card
Features
- Ideal for professionals looking to maximize post-production workflow
- Read speeds of up to 95MB/s; write speeds of up to 90MB/s
- UHS speed Class 3 (U3) and UHS video speed Class 30 (V30) for 4K UHD video
- Shock-proof, temperature-proof, waterproof, and x-ray-proof
- Lifetime limited Warranty
2. Sony 128GB High Performance Class 10 UHS-1/U3 SDHC up to 95MB/s Memory Card
Features
- Up to 95 MB/s transfer speed and up to 90MB/s write speed
- Designed for the photographer /videographer who requires 4K video shooting, high speed burst shooting and fast transfer speed
- File Rescue downloadable software helps recover photos and videos that have been accidentally damaged or deleted
- UHS-I Memory cards have been tested to achieve high levels of reliability and data integrity
- UHS-I Memory cards are water proof and are designed to perform under a wide range of operating temperatures
3. Sony SF-G64/T1 High Performance 64GB SDXC Uhs-II Class 10 U3 Memory Card
Features
- In UHS-II devices, up to 300MB/s transfer speed and up to 299MB/s write speed
- Uhs-ii reader (mrw-s1) is needed to realize transfer speed
- 32GB, 64GB, 128GB Capacity models for all your image and video needs
- For use with digital cameras and other devices utilizing SD Memory cards
- Fast writing minimizes lag time for fast motion photos and videos, burst mode shooting
4. Lexar Professional 2000X 64GB SDXC Uhs-II Card
Features
- High-speed performance—leverages UHS-II technology (U3) for a read transfer speed up to 2000x (300MB/s)
- Captures high-quality images and extended lengths of stunning 1080p full-HD, 3D, and 4K video with a DSLR camera, HD camcorder, or 3D camera
- Includes SD UHS-II reader for high-speed file transfer from card to computer, dramatically accelerating workflow
- Backwards compatible with UHS-I device
- Limited lifetime product support for card and one-year limited support on reader
5. Sandisk Extreme Pro - Flash memory Card - 64 GB - SDXC UHS-II
Features
- Designed for professionals
- High read and write speeds
- Cinema-quality 4K video capture
- Designed to withstand extreme environments
