The best SD Cards in Australia
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Last Updated: 7 Feb 2026
4 top rated SD Cards for every need: Australia's top picks!
SD cards are the unsung heroes of digital storage, offering a convenient, portable, and relatively inexpensive way to expand storage capacity for cameras, phones, drones, and other devices. Their compact size and widespread compatibility make them invaluable for photographers, videographers, and anyone needing to quickly transfer files or back up data. Choosing the right SD card can significantly impact performance – faster read/write speeds enable quicker photo transfers and smoother video recording, while ample storage space ensures you never miss a moment. Investing in a quality SD card is a crucial step in protecting your memories and ensuring optimal device functionality.
What to Look For
Capacity (GB)
Consider your needs. A higher resolution camera or 4K video recording demands more storage. 32GB is a good starting point, but 64GB or 128GB are often preferable.
Speed Class
Look for ratings like 'Class 10,' 'U1,' or 'U3.' These indicate minimum write speeds; U3 is generally recommended for 4K video recording as it offers a sustained write speed of 30MB/s or higher. Higher numbers are better.
Speed Rating (x)
This indicates the maximum read speed in MB/s (e.g., 60x). While a higher rating generally means faster transfer speeds, it's less crucial than the speed class for reliable recording.
SD Card Type (SD/SDHC/SDXC)
Ensure compatibility with your device. SD cards are typically older and have a lower maximum capacity. SDHC supports higher capacities, and SDXC supports even larger capacities. Check your device’s specifications.
Bus Interface (UHS-I or UHS-II)
UHS-II cards offer significantly faster speeds, but your device must also support UHS-II to take advantage of them. Otherwise, the card will operate at UHS-I speeds.
Brand Reputation & Warranty
Opt for reputable brands known for quality and reliability. A good warranty demonstrates the manufacturer’s confidence in their product and provides peace of mind.
- Compatible with Nintendo-Switch (NOT Nintendo-Switch 2)
- Ideal storage for Android smartphones and tablets
- Up to 128GB to store even more hours of Full HD video (1GB=1,000,000,000 bytes. Actual user storage less. Full HD (1920x1080) video support may vary based upon host device, file attributes, and other factors. See official SanDisk website.)
- Up to 140MB/s transfer speeds to move up to 1000 photos per minute (Up to 140MB/s read speed, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speed. Based on internal testing; performance may be lower depending on host device, interface, usage conditions, and other factors. 1MB=1,000,000 bytes. Based on internal testing on images with an average file size of 3.55MB (up to 3.7GB total) with USB 3.0 reader. Your results will vary based on host device, file attributes, and other factors.)
- Quick transfer speeds up to 140MB/s1 to back up those moments
- Great choice for compact to mid-range point-and-shoot cameras
- Exceptional video recording performance with UHS Speed Class 1 (U1)5 and Class 10 rating for Full HD video (1080p)2
- Compatible with SanDisk SD UHS-I card reader (sold separately) for speeds up to 120MB/s1 (32GB) [140MB/s1 (64GB-128GB); 150MB/s1 (256GB-512GB)]
SanDisk 128GB Ultra SDXC UHS-I Memory Card - 100MB/s, C10, U1, Full HD, SD Card - SDSDUNR-128G-GN6IN
- Fast for better pictures and Full HD video
- Great choice for compact to mid range point and shoot cameras
- From 32GB to 256GB to store tons of pictures and even more Full HD video
- Exceptional video recording performance with UHS Speed Class 1 (U1) and Class 10 rating for Full HD video (1080p)
- Save time with card offload speeds of up to 200MB/s powered by SanDisk QuickFlow Technology (Up to 200MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speeds; Based on internal testing; performance may be lower depending upon host device, interface, usage conditions and other factors; 1MB=1,000,000 bytes. X = 150KB/sec. SanDisk QuickFlow Technology is only available for 64GB, 128GB, 256GB, 512GB and 1TB capacities. 1GB=1,000,000,000 bytes. 1TB=1,000,000,000,000 bytes. Actual user storage less;)
- Pair with the SanDisk Professional PRO-READER SD and microSD to achieve maximum speeds (sold separately)
- Shot speeds up to 90MB/s (Write speed up to 90MB/s; Based on internal testing; performance may be lower depending upon host device; 1MB=1,000,000 bytes. X = 150KB/sec)
- Perfect for shooting 4K UHD video and sequential burst mode photography (Full HD (1920x1080) and 4K UHD (3840 x 2160) video support may vary based upon host device, file attributes and other factors; See HD page on SanDisk site)