The Nikon Z 6II and Z 7II have the ability to take both CFexpress / XQD and UHS-I or UHS-II memory cards.
There are a lot of different speed classes and ways to configure your camera to run with these UHS-II cards with CFexpress cards, use this guide to help you get started on what you need for how you shoot so that you don’t buy more than you need.
Table Of Contents
Also, see the 5 Must-Have Accessories for the Nikon Z6 II and Z7 II.
And I keep an updated list of all the Nikon Z Lenses.
Best Memory Cards Nikon Z6 II / Z7 II
The Nikon Z 6II and Z 7II can now take two memory cards for redundancy.Â
Slot 1 supports CFexpress or XQD memory cards while slot 2 can take UHS-II or UHS-I memory cards. How fast of a card you need for slot 2 depends on how you are going to use it as it will bottleneck your performance when writing RAW files to both cards. If you just write RAW to the CFexpress cards, and JPG to the UHS-II slot, then slower cards won’t have as much of an impact on performance.
You cannot write video to both cards at the same time, but any UHS-I card that is U3 rated can handle the 4k 150Mbps bitrate that these cameras produce.
Recommended Memory Cards – What’s Working Well Right Now
I ran all the different memory cards through a benchmark using the Nikon Z6 II and got some very interesting results with performance scores all over the place. My guess is that Nikon firmware just isn’t stable yet when dealing with CFexpress memory cards since cards like the Delkin Black (which usually is a top performer), functioned very poorly.
Some of these companies are on their second or even third-gen of CFexpress cards, and it might just be a case of needing to upgrade either the firmware of the cards or getting new cards. That being said, all these cards did perform great in the Canon R5 memory card speed test so it’s hard to just blame the cards here.
There is some good news is, if you are buying new cards today, there were some top performers that stood out. Angel Bird, Lexar, and Wise. The Wise Pro and Angel Bird XS are the newest cards of the set.
I recommend going with Angel Bird for the Nikon Z6 II or Z7 II as your CFexpress card. The Lexar and Wise Pro also did very well, but the Angel Bird cards are clearly the best memory cards for the Nikon Z6 II right now. I may test the Z7 II independently from the Z6 II to see if it gets any improvement in some of the other flagship cards. For now, I would assume the Nikon Z7 II would show similar performance since it has fairly similar internal hardware except for a different sensor.
With a lot of these cards, also pay attention to the size since often specs change with different sizes.
CFexpress | In-Camera | USB Read | USB Write | Check Price |
Angel Bird 256GB MK I | 332.10 MB/s | 955.7 | 947.3 | Amazon |
Angel Bird SX 160GB | 325.37 MB/s | 943.2 | 925.6 | Amazon / B&H |
Lexar CFx 128GB | 289.88 MB/s | 985.3 | 915.1 | Amazon / B&H |
Wise Pro CFx 160GB | 268.18 MB/s | 991.5 | 946.3 | B&H |
UHS-II v90 | Â | Â | Â | Â |
Kodak Ultra Pro V90 | 203.04 MB/s | 268.3 | 247.6 | Amazon |
Kingston Canvas React V90 | 200.90 MB/s | 283.3 | 243.2 | Amazon |
Delkin Black v90 | 199.93 MB/s | 259.9 | 225.4 | Amazon |
Sandisk Extreme Pro* | 182.55 MB/s | 293.7 | 242.2 | Amazon / B&H |
UHS-II V60 | Â | Â | Â | Â |
Sony M v60 | 122.80 MB/s | 282.4 | 129.5 | Amazon |
Sony E v60 | 116.22 MB/s | 282.3 | 103.8 | Amazon |
Angel Bird v60 II | 117.09 MB/s | 166.5 | 104.5 | Amazon |
*Expect slightly better performance out of the Sandisk Extreme Pro UHS-II v90 card than what you see here. I did just upgrade the card after doing this test and it’s performing noticeably better in some of my other benchmarks.
The Sony G card, Prograde V90, and Angel Bird V90 failed to perform properly in the Nikon Z6 II. It kind of makes me think there was something going on with the pins in the camera body I had. See the full benchmark list below.
Best CFexpress Reader
I’ve been benchmarking these cards with the ProGrade CFexpress + UHS-II reader since that’s what I think most people will use with a camera like this. However, the Lexar reader is slightly faster.
Prograde CFexpress + UHS-II Reader – Amazon / B&H – This will not read XQD cards. I use the Sony XQD card reader for those.
Memory Card Benchmarks
To benchmark each memory card in the Nikon Z6 II, a series of continuous burst images were taken until the buffer was filled, then the time it took to clear the buffer was calculated against how much data was written. This gave me a rough speed of how each card is performing in-camera. I ran several series with each card to rule out issues with thermal throttling or other hiccups that sometimes occur with freshly formatted cards.
There was a lot of wild variation in the Nikon Z6 II. It seems like a lot of V90 UHS-II cards were not engaging that second set of pins and were running at UHS-I speeds. This could be a problem with the camera body I had at the time and further testing in the future with a different body will be required to see why cards like the Sony G or Prograde V90 did not engage with UHS-II performance. It could also be some sort of firmware bug as CFexpress cards also had very unstable performance across brands of cards that shared similar specs.
I stopped testing XQD since they are not something you would want to buy new with this camera since the format is pretty much extinct. However, I did test one Nikon XQD to get a general idea of what XQD cards would do in this camera and it ran at 228.55MB/s. Slightly better than a UHS-II card but not as good as a new CFexpress card. If you have a bunch of XQD cards that are fairly modern, you should be pretty happy with the results.
Memory Card | Speed Class | In-Camera Write | USB Read | USB Write |
---|---|---|---|---|
Sandisk CFx 128GB | CFx-Type B | 239.55 | 986.9 | 489.2 |
Sony CFx 128GB | CFx-Type B | 241.03 | 994.6 | 956.1 |
Lexar CFx 128GB | CFx-Type B | 289.88 | 985.3 | 915.1 |
ProGrade CFx 128GB | CFx-Type B | 112.42 | 675.2 | 669.9 |
ProGrade Cobalt 325GB | CFx-Type B | 227.68 | 675.2 | 669.9 |
Delkin CFx 128GB | CFx-Type B | 102.72 | 987.6 | 962.0 |
Delkin Power 128GB | CFx-Type B | 208.48 | 986.3 | 963.8 |
Delkin Prime 128GB | CFx-Type B | 209.64 | 986.0 | 940.7 |
Hoodman CFx 128GB | CFx-Type B | 179.59 | 983.4 | 534.2 |
Wise Pro CFx 128GB | CFx-Type B | 268.18 | 991.5 | 946.3 |
Wise 160GB | CFx-Type B | 152.04 | 994.0 | 484.6 |
Angel Bird 256GB | CFx-Type B | 332.10 | 955.7 | 947.3 |
Angel Bird SX 160GB | CFx-Type B | 325.37 | 943.2 | 925.6 |
RitzGear 128GB | CFx-Type B | 142.43 | 843.0 | 251.8 |
Pergear Lite 128GB | CFx-Type B | 172.96 | 939.2 | 309.6 |
Sandisk Extreme Pro 300MB/s | UHS-II | 182.55 | 293.7 | 242.2 |
Lexar 2000x | UHS-II | 179.54 | 274.3 | 224.0 |
Lexar 1667x | UHS-II | 83.25 | 265.8 | 104.2 |
Lexar 1000x | UHS-II | 82.92 | 166.8 | 108.3 |
Toshiba Exceria Pro | UHS-II | 106.90 | 259.6 | 218.1 |
Transcend v90 | UHS-II | 151.04 | 282.2 | 192.8 |
Sony G Tough | UHS-II | 83.18 | 270.6 | 229.1 |
Sony M Tough | UHS-II | 122.80 | 282.4 | 129.5 |
Sony E | UHS-II | 116.22 | 282.3 | 103.8 |
Delkin Black V90 | UHS-II | 199.93 | 259.9 | 225.4 |
Delkin Power v90 | UHS-II | 185.07 | 280.2 | 221.6 |
Delkin Prime v60 | UHS-II | 77.29 | 252.8 | 89.1 |
Fujifilm Elite II | UHS-II | 136.84 | 290.3 | 173.2 |
Adata v90 | UHS-II | 178.66 | 290.1 | 241.0 |
Hoodman Steel 2000x | UHS-II | 135.75 | 280.7 | 169.1 |
Hoodman Steel 1500x | UHS-II | 86.18 | 289.2 | 105.8 |
ProGrade V90 | UHS-II | 78.89 | 290.5 | 218.4 |
ProGrade V60 | UHS-II | 76.69 | 167.6 | 92.14 |
Amplim 2000x V60 | UHS-II | 110.80 | 243.3 | 127.4 |
Amplim 1900x V60 | UHS-II | 85.69 | 289.3 | 104.2 |
Angel Bird V90 | UHS-II | 90.24 | 290.4 | 219.5 |
Angel Bird V60 | UHS-II | 117.09 | 166.5 | 104.5 |
Freetail V60 64GB | UHS-II | 85.28 | 238.5 | 102.8 |
Kingston Canvas React V90 | UHS-II | 200.90 | 283.3 | 243.2 |
Kodak Ultra Pro V90 | UHS-II | 203.04 | 268.3 | 247.6 |
RitzGear V90 | UHS-II | 200.61 | 266.9 | 248.0 |
Sandisk Extreme Pro 170MB/s | UHS-I | 70.62 | 99.2 | 88.3 |
Sandisk Extreme Plus | UHS-I | 70.48 | 99.3 | 88.2 |
Sandisk Extreme U3 | UHS-I | 47.87 | 99.3 | 56.8 |
Sandisk Ultra U1 | UHS-I | 25.35 | 99.5 | 34.3 |
Kingston Canvas Go! U3 | UHS-I | 76.87 | 99.6 | 82.5 |
Kingston Canvas Select! U3 | UHS-I | 76.77 | 99.6 | 74.0 |
Lexar 633x U1 | UHS-I | 34.94 | 95.0 | 54.6 |
Transcend U3 | UHS-I | 76.99 | 96.7 | 87.8 |
PNY Elite Performance U3 | UHS-I | 58.96 | 96.7 | 66.9 |
PNY U3 Pro Elite | UHS-I | 82.20 | 93.8 | 87.7 |
PNY U3 Elite X | UHS-I | 55.52 | 92.2 | 57.1 |
Delkin Black | UHS-I | 77.49 | 94.8 | 87.5 |
Delkin Advantage U3 | UHS-I | 70.59 | 99.6 | 78.8 |
Toshiba Exceria Pro U3 | UHS-I | 65.74 | 97.8 | 74.7 |
Toshiba Exceria U3 | UHS-I | 29.13 | 97.2 | 29.9 |
Amplim 667x A1 V30 | UHS-I | 46.44 | 99.6 | 52.2 |
Verbatim Pro+ U3 | UHS-I | 68.20 | 98.5 | 83.7 |
Verbatim Pro U3 | UHS-I | 55.54 | 96.6 | 68.0 |
Ritz Gear Extreme Performance V30 | UHS-I | 56.27 | 92.6 | 61.6 |
Using XQD Memory Cards In the Nikon Z6 II / Z7 II
You can still use your old XQD memory cards in these new cameras, but they will not run as fast as a good CFexpress card. This isn’t because the new cameras are now fully functional, rather, there are two processors, which means two data lanes.
XQD cards still do function fine and they are slightly faster than UHS-II memory cards. When testing the Nikon XQD memory card it ran at 228.55MB/s. Not as fast as the Angel Bird 256GB card that hit speeds of 332.10 MB/s but faster than the Kodak Ultra Pro v90 which ran at 203.04MB/s
Best Memory Cards For Video
The Nikon Z6 II and Z7 II have a bitrate of about 150Mbps which translates to about 19MB/s. This means any U3 card whether that’s UHS-I or UHS-II will work fine for video.
Since the Nikon Z6 II and Z7 II only shoot video to one card slot at a time, it might make sense to buy a larger UHS-I or UHS-II v60 card that’s designated for video, since these cards can be found at a better price than CFexpress cards.
What Size Memory Card Do You Need?
Choosing memory card sizes depends on how much shooting you need or whether you clear of your cards often, or need a card to last you days or weeks.
I’ve moved over to 128GB cards because I like to be able to go a few days before clearing off my cards. Or sometimes I leave shots on my cards even after I’ve copied them to my computer simply for short-term backup while I wait for them to transfer over to my Synology backup server. This also keeps me from using the same part of the flash memory over and over which can wear it out quicker.
Video shooters will likely want to start with 128GB cards.
See the bitrate calculator to get an idea of how big of a card you need for how much time you want to record.
The Nikon Z 6II and Z 7II record a bitrate of about 150Mbps.
Best Memory Cards Nikon Z 6II / Z 7II Bottom Line
For now, Angel Bird seems to be the card of choice. If new firmware rolls out I can do a test, I was also considering testing the Z7 II independent from the Z6 II to see if that makes a difference.
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