Has anyone tried one of these memory cards?

Horoscope Fish

Horoscope Fish

Senior Member
SteveH said:
Just browsing EBay looking for a bargain, and I stumbled upon these...... Has anyone tried them? Are they worth a punt?

64GB SDXC CLASS 10 MEMORY CARD FOR Nikon D800, D800E, D3200, D600, D5200, D7100 | eBay

ETA: I have donea bit more research and they get mixed reviews... Some saying they are slow. Given the D7100's buffer size, I think I'll stick to SanDisk 95 MB/sec Extreme Pro's. They cost but are good.
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If you're looking for an alternative I can tell you I have been experiencing great joy with these Samsung PRO's for some time now.
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Pretzel

Senior Member
Horoscope Fish said:
If you're looking for an alternative I can tell you I have been experiencing great joy with these Samsung PRO's for some time now.
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I've been getting great performance with the PNY Elite Pro brand as well. Not quite as fast as the SanDisk, but not quite as expensive either. They actually write about 60 MB/s, even though they're labelled with the 90 MB/s read speed on the card. SanDisk is a 95 read, 90 write, and I think the Samsung is an 80 read, 40 write.

No time to Google, so those stats might be slightly skewed...
 
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SteveH

Senior Member
Pretzel said:
I've been getting great performance with the PNY Elite Pro brand as well. Not quite as fast as the SanDisk, but not quite as expensive either. They actually write about 60 MB/s, even though they're labelled with the 90 MB/s read speed on the card. SanDisk is a 95 read, 90 write, and I think the Samsung is an 80 read, 40 write.

No time to Google, so those stats might be slightly skewed...
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Those times seem about right, @Pretzel - I know every time I look at reviews, the SanDisks are the only ones I can find that have a high write rate which is why I want the 90MB/s to start with... I'm not overly bothered if 100 shots take an extra 30 seconds to copy off at the end of the day, it's emptying the buffer while shooting and reliability I'm after. I may get some smaller capacity from other brands and give them a run as spares, but ultimately the 16GB SanDisks I currently have ( 1 x 90MB/s & 1 x 45 MB/s) have been faultless. Amazon are selling 2 x 32GB 95MB/s for £71 (US$104) so maybe I should just bite the bullet before summer!
 
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Daz

Senior Member
I think its a case of finding a card you are comfortable with, I done have any "Preference" of cards and actually own Sandisk, PNY and Transcend ones, the only time I really "Motor drive" and bounce the buffer is when I am at F1 or WEC

I frequently shoot Speedway and Grasstrack and that's a little more predictable to shoot so I can get away with slightly lower write speeds on the cards
 
Horoscope Fish

Horoscope Fish

Senior Member
SteveH said:
Those times seem about right, @Pretzel - I know every time I look at reviews, the SanDisks are the only ones I can find that have a high write rate which is why I want the 90MB/s to start with... I'm not overly bothered if 100 shots take an extra 30 seconds to copy off at the end of the day, it's emptying the buffer while shooting and reliability I'm after. I may get some smaller capacity from other brands and give them a run as spares, but ultimately the 16GB SanDisks I currently have ( 1 x 90MB/s & 1 x 45 MB/s) have been faultless. Amazon are selling 2 x 32GB 95MB/s for £71 (US$104) so maybe I should just bite the bullet before summer!
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Pretzel said:
... I think the Samsung is an 80 read, 40 write.
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The old versions were (80/40) but the new ones (they're white plastic instead of the grey, brushed metal) are rated as 90MB/s Read, 80MB/s Write. The kicker is they actually do better than advertised on my work and home PC's. My experience has been confirmed by Camera Memory Speed as well. I thought I was special but I guess not...

Camera Memory Speed (dot) com said:
We subjected the [Samsung] PRO to a variety of tests. Beginning with benchmarks which show its maximum read and write speeds in various card readers. It performed very well and surpassed its stated speed ratings. In our fastest card readers, the [Samsung] PRO reached 95 MB/s sequential read. Sequential write speed reached a maximum 83 MB/s.
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SkvLTD

SkvLTD

Senior Member
Horoscope Fish said:
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The old versions were (80/40) but the new ones (they're white plastic instead of the grey, brushed metal) are rated as 90MB/s Read, 80MB/s Write. The kicker is they actually do better than advertised on my work and home PC's. My experience has been confirmed by Camera Memory Speed as well. I thought I was special but I guess not...


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I'd honestly go by their camera write tests vs card readers. Who cares how fast a simple USB interface to a comp w/ usb2 or 3.0 can read if if the camera will top out at 40-50.
 
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SteveH

Senior Member
Thanks for your thought everyone! I'll have a read of the speed tests and look at some prices... My 2 x 16GB's are ok, but I'm hoping to get to some airshows etc this summer and a few weekends away so a bit of extra room will be handy!
 
Horoscope Fish

Horoscope Fish

Senior Member
SkvLTD said:
I'd honestly go by their camera write tests vs card readers. Who cares how fast a simple USB interface to a comp w/ usb2 or 3.0 can read if if the camera will top out at 40-50.
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If my camera topped out at 40-50MB/s I wouldn't, but many Nikon's, like my D750 and D7100, are UHS-104 compliant and UHS-104 has a bus interface speed of up to... Wait for it... 104 MB/s. Nikon has stated the D7100 can achieve a write speed of up to 99MB/s but I haven't read anything related to the D750. I'm assuming it's probably similar.
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SteveH

Senior Member
Horoscope Fish said:
If my camera topped out at 40-50MB/s I wouldn't, but many Nikon's, like my D750 and D7100, are UHS-104 compliant and UHS-104 has a bus interface speed of up to... Wait for it... 104 MB/s. Nikon has stated the D7100 can achieve a write speed of up to 99MB/s but I haven't read anything related to the D750. I'm assuming it's probably similar.
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The testing site linked earlier tests the cards in the D7100 & D750 - They score high 60's with the SanDisk 95MB/Secs so I will have a compare and see what scores highest for the price

Review: SanDisk Extreme Pro 95MB/s 32GB SDHC UHS-I Memory Card - Camera Memory Speed Comparison & Performance tests for SD and CF cards
 
SkvLTD

SkvLTD

Senior Member
Horoscope Fish said:
If my camera topped out at 40-50MB/s I wouldn't, but many Nikon's, like my D750 and D7100, are UHS-104 compliant and UHS-104 has a bus interface speed of up to... Wait for it... 104 MB/s. Nikon has stated the D7100 can achieve a write speed of up to 99MB/s but I haven't read anything related to the D750. I'm assuming it's probably similar.
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Just like cards rated at 95mb/s are in reality, 40-60s in that same 7100 that's "rated" at 104. I'd still go by a tech site that did real life tests vs ideal specs.
 
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rocketman122

Senior Member
damn that kingston looks like a best buy to me. almost matching the sandisk and for much less money. transcend is third I believe but I could go either way. I dont think one needs to pay sandisk's premium price for a great card today. I use all transcend cards and they fly. was looking at the lexar but they are a bit dissapointing in these tests.

Kingston UHS-I Speed Class 3 (U3) 32GB SDHC Memory Card 90MB/s 80MB/s Review - Camera Memory Speed Comparison & Performance tests for SD and CF cards

I think 32gb is the way to go for me. id rather split my work in smaller card JIC.
 
Horoscope Fish

Horoscope Fish

Senior Member
SkvLTD said:
Just like cards rated at 95mb/s are in reality, 40-60s in that same 7100 that's "rated" at 104. I'd still go by a tech site that did real life tests vs ideal specs.
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Cards rated at 95MB/s write speed are capable of writing at 95MB/s; assuming your your camera can output to it at that speed... And just how fast your camera can dump its buffer is another matter entirely. If your camera can't dump its buffer any faster than 50MB/s then it would be hard to suggest buying a card with a 95MB/s write speed but again, that doesn't mean 95MB/s cards, "are, in reality, 40-60[MB/s]" cards; it means your camera's buffer can't saturate the bus.
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SteveH

Senior Member
laurajones said:
Apart from speed, storage capacity and size, another important point to consider is that the card you purchase should be compatible with your gear.
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Very true Laura! I'm using a D7100, so UHS-I is fine. The 16GB's I have at the moment are ok, but when away for a long weekend / zoo visit / air show etc they start to get full and I don't like emptying them onto my laptop while travelling as then I have no backup until I get home. At least with 32's I can keep a couple of days of shots on my laptop & the cards until I get home. Next I will need to get a small (physically small, not capacity) USB drive for travelling backups.
 
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SteveH

Senior Member
laurajones said:
yes you are right ! Go ahead. BTW what do you think of eye-fi Sd cards?
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I haven't used any Eye-Fi cards personally, but I have read that they do have their uses, particularly in studio situations - I read somewhere that the early versions could disconnect / reconnect and generally be a bit flaky, but I think the newer ones are more reliable.
 
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RocketCowboy

Senior Member
SteveH said:
Very true Laura! I'm using a D7100, so UHS-I is fine. The 16GB's I have at the moment are ok, but when away for a long weekend / zoo visit / air show etc they start to get full and I don't like emptying them onto my laptop while travelling as then I have no backup until I get home. At least with 32's I can keep a couple of days of shots on my laptop & the cards until I get home. Next I will need to get a small (physically small, not capacity) USB drive for travelling backups.
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For my upcoming vacation, I'm playing with the idea of shooting on 16GB cards each day, with a 64GB card in slot 2 for backup. Thinking that way I can rotate cards daily, still have backups on the 64GB card I already have, and possibly do nightly backups from SD to travel HDD to have a third copy until I can get online.

I use the UHS-1 SanDisk cards, listed as 95mbps write speed.


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