8K CFexpress Card Meltdown! 🌡️ Truth Behind Speed Claims! 🔥
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- Опубліковано 28 жов 2023
- In this eye-opening video, I decided to push the limits of my CFexpress Type B memory cards by recording in mind-blowing 8K N-RAW 12-bit (NEV) N-LOG at 8.3K 60P with a resolution of 8256x4644. The data is being written at an astonishing speed of ~850 Mb/s! 🚀
Write speed test files.fm/u/ub75nvfeze
But, here's the kicker - things got HOT, literally! 🌡️ Some of the cards reached a scorching 50 degrees Celsius on the outside, and I'm here to spill the beans on how they managed to survive this intense ordeal.
I dive deep into the overheating issues that cropped up on certain cards, revealing the harsh reality behind the manufacturers' claims. It's time to expose the misleading practices where advertised speeds often turn out to be the maximum read speed or write speed, leaving us in the dark about the true average performance.
Buckle up for a revealing journey into the world of memory card testing, where the cards faced the heat - both figuratively and literally! 🔥 Don't forget to like, share, and subscribe for more tech adventures! 🚀🔧 #MemoryCardTest #8KRecording #TechReality #CFexpressburned
Pergear cards can be bought here:
www.pergear.com/collections/p...
My tested cards:
AV PRO SE CFexpressB 512Gb Angelbird - amzn.to/47fSSFO adorama.rfvk.net/JzZY3E
Max Read Speed 1785 MB/s, Max Write Speed 850 MB/s
Hoodman Steel 128Gb - amzn.to/47iAiN9 adorama.rfvk.net/Gm1Y6L
Read Speed: 1700mb/s
Write Speed: 1400mb/s
Sandisk Extreme PRO 128Gb (Wrong write speed. Cant handle 850Mb/s) amzn.to/47lV6TV
Read Speed: 1700mb/s
Write Speed: 1400mb/s
Transcend 256Gb and 512Gb (Can handle 850Mb/s) amzn.to/3u10jSZ
Max Read Speed: 1700 MB/s
Max Write Speed: 1000 MB/s
Delkin Devices CFexpress 512Gb (Cant handle 850Mb/s)
Read Speed: 1730mb/s
Write Speed: 1540mb/s
Lexar 128GB Professional GOLD Series amzn.to/3StsqEv
Max Read Speed: 1750 MB/s
Max Write Speed: 1500 MB/s
Min Sustained Write Speed: 1000 MB/s
ProGrade Digital 256Gb (Cant handle 850Mb/s) amzn.to/3SqrQHy
Max Read Speed: 1700 MB/s
Max Write Speed: 1400 MB/s
Min Write Speed: 300 MB/s
Pergear 1Tb CFE-B Ultra amzn.to/3MO8o3R www.pergear.com/collections/p...
Read/Write Speeds: 1600/1300 MB/s
• Pergear CFexpress 1Tb ...
Pergear 512GB CFE-B Pro amzn.to/3MO8o3R
Read/Write Speeds: 1200/700 MB/s
Pergear 256GB CFE-B Pro amzn.to/47poby2
Read/Write Speeds: 1200/360 MB/s
Pergear 128GB CFE-B Lite amzn.to/3tSYhEf amzn.to/3QHZne1
Lexar Professional 64Gb 1333x XQD amzn.to/3FLRO0I
Max. Read Speed: 200 MB/s
Write Speeds: 140 MB/s
Sorry for my English it is not my native.
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Glad to see that the Angelbird AV PRO SE can handle 8K60
I don't recomand that Angelbird 512 gb , building quality it is verry bad. I have one and the black plastic edge is just fall down by is self.
Great comparison of the different cards. I guess by luck all of my cards are the Angilbird AV Pro SE cards! An extra note on the Angilbird cards according to there website the SE 512 GB card has a sustained speed of just about 850 MB/s so it worked in your test but the AV PRO SE "1 TB" card is actually much better with a sustained speed of 1550 MB/s so if you are doing a lot of high performance video the Angilbird AV PRO SE 1 TB card is the better card. Angielbird also does firmware updates for there cards wikis is great as will as they guarantee the cards.
Good to hear! Because I just bought the 1TB Angelbird while watching this video and reading your comment! I’m running a R5 and 8K Timelapses with an SD card which basically means it doesn’t.
Plus hopefully this is the only one I buy so the upfront cost (including the reader) will pay off in the long run.
@@tylersoares8120 Good luck I have been using the Angilbird cards for a few years now and they have performed well. Also I like your Timelapse with the lightning!
Very nice to see the variations of the CF express cards and pock the cards that suit various peoples needs.
Thanks brother
Great comparison
Good recommendation I have the Angelbird one and you are right it is the best
Thank you for testing very informative, would like to see more cards testing. The Delkin 512gb card is advertised as sustained speed of 805 mb/s so they are not laying it is below your 850 mb/s require
I have the ex ascend element. Usually performs well filming 4k 60 unless it's a sunny, hot day, otherwise the camera gets the hot temperature icon. Have you done test with that card?
Very interesting!
What are you filming on? The lag in focus was very distracting. If it is on Nikon there is AF speed to focus that you might want to play around with. But seriously this video is super useful and really helped me see what should I be aiming at.
DJI Osmo Pocket 3
So the angelbird avpro se can do 8k 60p raw.
I’ve had two anglebird AV SE Pro cards and both developed cracking in the plastic housing and left plastic pieces in my cameras card slot I had to carefully remove. Would not recommend.
what camera used ?
Seen this mentioned in other venues too. Have 6 prograde cobalt and three Sony tough cards with daily commercial level use over 2 years no cracking or corruptions thankfully.
@@AndrejsZavadskis R5 and R5C
is transcend card reader good for angelbird card？i saw in video you got both of them
yes, fine
@@AndrejsZavadskis thanks
5780 mb/s is the write speed needed for high quality n-raw 12 bit nev 8.3k video at 60p files on the z9 according to the manual. How is it so low for the Z8?
5780 Mbps = 722.5 MB/s (8K/24fps)(High quality). you mentioned Megabit per second. I am talking about Megabyte per second. we don't use file size in bits any more. We are talking in megabytes and terabytes
I noticed your review on B&H's site for the Delkin card.
However, you tested the 3rd generation card and wrote the review under the G4 card.
I'm not sure if the 512GB G4 card can maintain the write speed, but the 650GB and higher G4 cards are noticeably faster than G4 512GB and below.
I went to "My orders" section on BH and find my order from 2022 year where I bought this card and write under purchased item my review. I think BH changed product photo after some time.
Delkin 512gb Generation 4 card works well.
Many card brands, that came out with 4.0 spec compared to 2.0, they passed the 8K video test on the lower card line from the top speed model. If you had the Power line vs Black, or Gold vs Cobalt.
Even so, they are advertised about 800 sustained. I wonder if there is also speed penalty for sustained speed, if you use 4.0 card in 2.0 camera?
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