The Nikon Z6 III is a 24.5 megapixel full-frame mirrorless camera. The Z6 III features two memory card slots but they are not identical, as each slot supports a different type of memory card.
Slot one supports CFexpress Type B cards and XQD cards, and slot two supports SD/SDHC/SDXC (UHS-II / UHS-I) cards.
The CFexpress 2.0 standard is supported but not the latest 4.0 standard. CFexpress 4.0 cards can still be used in the Z6 III but you won’t see any speed benefits in-camera. You will however benefit when copying files to your computer providing a 4.0 reader is used.
We strongly recommend using CFexpress Type B cards over the now older and slower XQD cards that many manufacturers are discontinuing.
You will also need to use a CFexpress Type B card if you wish to record in all of the video modes supported by the Z6 III.
The Fastest CFexpress Type B Cards
If you shoot a lot of bursts and require the buffer to clear quickly then we would recommend one of the faster CFexpress Type B cards.
If you are going to record 6K RAW (6048×3402) at 60p (3730 Mbps) then you will require a CFexpress Type B card that supports a minimum sustained write speed of 467 MB/s. We would recommend a card that is VPG400 certified.
Our top recommended CFexpress Type B cards based on speed and reliability for the Nikon Z6 III are:
| Memory Card | Min Sustained Write Speed | Max Write Speed | Max Read Speed | Video Rating | CFexpress Standard | Price Check |
|---|---|---|---|---|---|---|
| Delkin Devices BLACK 4.0 | 2040 MB/s | 3200 MB/s | 3600 MB/s | VPG400 | 4.0 | Amazon | Memory Wolf |
| Delkin Devices POWER 4.0 | 820 MB/s | 3240 MB/s | 3650 MB/s | NA | 4.0 | Amazon | Memory Wolf |
| Angelbird AV PRO SE v4 | 1050 MB/s | 1100 MB/s | 3700 MB/s | NA | 4.0 | Amazon | Memory Wolf |
| SanDisk PRO-CINEMA * | 1400 MB/s | 1500 MB/s | 1700 MB/s | NA | 2.0 | Amazon | Memory Wolf |
| Lexar Professional DIAMOND 4.0 | 3200 MB/s | 3400 MB/s | 3700 MB/s | VPG400 | 4.0 | Amazon | Memory Wolf |
| Nextorage NX-B2 PRO * | 3400 MB/s | 3600 MB/s | 3900 MB/s | VPG400 | 4.0 | Amazon | Memory Wolf |
| Nextorage NX-B3AE * | 850 MB/s | 3400 MB/s | 3900 MB/s | VPG400 | 4.0 | Amazon | Memory Wolf |
| Nikon MC-CF660G * | NA | 1500 MB/s | 1700 MB/s | NA | 2.0 | Amazon | Memory Wolf |
| Delkin Devices POWER G4 | 805 MB/s | 1700 MB/s | 1780 MB/s | NA | 2.0 | Amazon | Memory Wolf |
| Lexar Professional GOLD 4.0 | 3000 MB/s | 3300 MB/s | 3600 MB/s | NA | 4.0 | Amazon | Memory Wolf |
| Lexar Professional SILVER 4.0 | 2600 MB/s | 3000 MB/s | 3600 MB/s | NA | 4.0 | Amazon | Memory Wolf |
| ProGrade Digital 4.0 Gold | 850 MB/s | 3000 MB/s | 3400 MB/s | NA | 4.0 | Amazon | Memory Wolf |
| ProGrade Digital 4.0 Iridium | 850 MB/s | 3000 MB/s | 3550 MB/s | VPG400 | 4.0 | Amazon | Memory Wolf |
| Sony CEB-G * | NA | 1600 MB/s | 1850 MB/s | NA | 2.0 | Amazon | Memory Wolf |
| SanDisk Extreme PRO * | NA | 1200 MB/s | 1850 MB/s | NA | 2.0 | Amazon | Memory Wolf |
The Fastest UHS-II SD Cards
We would recommend using a CFexpress Type B card as your primary storage medium. However, a UHS-II SD card is still useful for backups.
Our top recommended UHS-II SD cards based on speed and reliability for the Nikon Z6 III are:
| Memory Card | Max Write Speed | Max Read Speed | Video Speed Class | Price Check |
|---|---|---|---|---|
| Delkin Devices BLACK | 250 MB/s | 300 MB/s | V90 | Amazon | Memory Wolf |
| Delkin Devices POWER | 250 MB/s | 300 MB/s | V90 | Amazon | Memory Wolf |
| Angelbird AV PRO SD (MK2) | 280 MB/s | 300 MB/s | V90 | Amazon | Memory Wolf |
| Nextorage NX-F2PRO * | 299 MB/s | 300 MB/s | V90 | Amazon | Memory Wolf |
| SanDisk Extreme Pro * | 260 MB/s | 300 MB/s | V90 | Amazon | Memory Wolf |
| Sony SF-G Tough * | 299 MB/s | 300 MB/s | V90 | Amazon | Memory Wolf |
| Lexar Professional GOLD 2000X * | 260 MB/s | 300 MB/s | V90 | Amazon | Memory Wolf |
| OWC Atlas Ultra | 250 MB/s | 300 MB/s | V90 | Amazon | Memory Wolf |
| Lexar Professional GOLD 1800x * | 210 MB/s | 280 MB/s | V60 | Amazon | Memory Wolf |
| Nextorage NX-F2SE Series | 100 MB/s | 280 MB/s | V60 | Amazon | Memory Wolf |
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