02/03/2026 4:46 am
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Ive been shooting with the Z6 since launch but Ive finally started hitting the buffer wall during fast action sequences and it is driving me crazy. I have a huge wedding shoot this Saturday in downtown Chicago and I desperately need to upgrade my storage situation before then.
My logic was to just grab a Sony XQD card but then I remembered the firmware update allows for CFexpress Type B now right? So I was looking at the ProGrade Gold vs the Delkin Black cards and honestly I am getting overwhelmed by the read/write speeds versus actual real-world performance in the Z6. Budget is like $200 max. Should I just stick to what I know works or is the jump to CFexpress actually noticeable for clearing the buffer faster? I really dont want the camera locking up mid-vows...
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10
02/03/2026 5:50 am
I saw the advice about the Delkin cards and while they are solid, they might be overkill for your budget if you need a couple cards for a full wedding day. I would suggest being careful about spending your whole $200 on one high-end card when the Z6 itself has internal write speed limits anyway. You might want to consider the Lexar Professional CFexpress Type B Silver Series 128GB as a more practical middle ground. It is definitely fast enough to clear the buffer way quicker than your old XQD. Just a quick tip though, make sure your card reader is actually compatible with Type B. Some of the older Sony readers are XQD-only and that would be a nightmare after a long shoot. Honestly, I think grabbing two of the SanDisk Extreme Pro CFexpress Type B 128GB cards is a smarter move for a wedding. Better to have a backup than putting all your eggs in one basket.
2
17/03/2026 6:50 am
Facts.
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09/04/2026 11:35 am
This thread is gold. Bookmarking for future reference 🔖
1
02/03/2026 5:10 am
I agree. Unfortunately, ProGrade Digital CFexpress Type B Gold 128GB wasnt as good as expected and had heat issues.
- Sony XQD G Series 120GB
- Delkin Devices BLACK CFexpress Type B 150GB Safety beats speed.
1
15/03/2026 12:50 pm
honestly im in the exact same boat with my z6 right now. it is so frustrating when youre right in the middle of the action and that little green light just stays on forever while the camera is totally locked out... i was shooting a local marathon last month and totally missed the lead runners crossing the line because my buffer was still clearing from a burst i took ten seconds earlier. i felt like such a rookie standing there with a dead camera. be careful about jumping straight to those high-end cfexpress cards though because they might not solve everything if the body itself is the bottleneck. i was wondering, are you shooting uncompressed raw or are you using the compressed settings to save space? and how many shots are you usually firing off in one go? im trying to figure out the same thing for my own setup before i blow my savings on a card that doesnt actually fix the lag.
