Spam? I don't think so... Sandisk 30mb/s Class 10 SD (on sale).

MattinSTL

MattinSTL

Sound Modulator
Back when people were freaked out about paying so much for true class 10 SD cards for their GH13... I stumbled across a deal for Panny class 10s from J&R for a great price... I linked it in this forum and then to my dismay they were soon sold out, and stayed sold out! When I needed more SD... it was hard to find one of the best brands in class 10.

I ordered a pair of these myself yesterday... and thought I'd pass on the info to you guys.

Sandisk 30mb/s Class 10 SD (2 x 16gb) for $60 shipped.

They also have (2 x 8gb) for $40 shipped.

I thought this was a good enough deal to share the info... Had I not found this myself I'd have been thankful to see it posted here. What makes it a good deal is that it's Class 10 and 30mb/s... and of course, Sandisk. (IMO Sandisk, Lexar, and Panasonic are the most trustworthy cards... and currently I haven't seen any of those brands, with these specs, near this price.) :beer:
 
Hmm, their "kit includes" lists one card + a wallet. The rest of the page talks about 2 cards. Hopefully you do get 2 cards.
 
Just emailed them asking if that price included 2 cards.
Also, last month, these same cards, marked with"hd video" were also marked at 20mb/sec. That is why I bought the Extreme III 30mb/sec-"older" card, from B&H.
Now, as I'm searching the exact same ad's, it appears they have changed that number to 30mb/sec.....go figure that one out.

EDIT: just received word back from Buydig, and here is what they said;
Dear Customer,

Thank you for contacting us.

Yes, this deal is for 2 memory cards.

Sincerely,

Bill Haley-Sales Management
Click to expand...

Edit-again. These cards are NOT 30mb/second cards-they are class 6 cards.
Refer to Sandisk here;http://www.sandisk.com/products/camcorder/sandisk-extreme-hd-video-sdhc-cards
The part number on the cards, is E1SDSDRX3016GA21
If you look at that part number on Sandisks website you will see;
Get the perfect balance of speed and reliability for HD video and faster shot-to-shot performance with SanDisk Extreme® HD Video SDHC™ cards. Delivering Class 6 video performance with up to 20MB/sec read/write speeds[SUP]1[/SUP], you'll be ready to capture HD video on the latest digital point & shoot cameras and DSLRs that have high-definition video recording capabilities.
Click to expand...

So, the thing that caught my attention, was the HD video on the card. I know these cards are NOT class 10, and they are only a max of 20mb/sec. So, buyer beware.
Check the model number you're buying, against Sandisks own website-as it contains the most accurate information.

I've also emailed Buydig to inform them of this fact, so we'll see what they have to say.
Just wanted you guys to know, you are NOT getting Class 10, 30mb/sec cards!!!
 
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Ok, here is what I have found out about these cards. They used to be Class 6-20mb/second. Then, Sandisk came out with a new "memory standard" called UHS-I. Here is a list of camera's that support this new memory standard;
http://digitaljournalofphotography.blogspot.com/2011/03/cameras-supporting-sdhc-uhs-i.html
The Panasonic GH1 does NOT support this new standard.
Here is an excerpt from a discussion with Sandisk;
http://forums.dpreview.com/forums/readflat.asp?forum=1023&message=38676177&changemode=1

Here is an excerpt from a chat with SanDisk support on their website:
Me: I am shopping for a SDHC Extreme memory card on B&H's website and need some card comparison info. Is there any difference between these two class 10 cards? SDSDX3-016G-A31 and the SDSDRX3-016G-A21
SanDisk: The SDSDX3-016G-A31 is the Extreme 30MB/s Class 10 card. The SDSDRX3-016G-A21 is the Extreme HD VIdeo card. Initially, this card is 20MB/s and Class 6, but with the UHS technology used on the card, it is now 30MB/s and Class 10.
SanDisk: UHS means Ultra High Speed. Note, in non-UHS host, the card will perform to the maximum limit of the non-UHS host. The SanDisk UHS-I card will have performance of up to 30MB/s in UHS based host devices and up to 20MB/s in non-UHS based host devices. Additionally, UHS-I cards will have Speed Class U1 for UHS host devices and Class 10 for older devices with SDHC interconnect.
Me: Just to be clear, the SDSDX3-016G-A31 card will be 30mb/s in any device that can use that speed regardless of UHS ability? And then in UHS devices it won't see any speed improvement.
SanDisk: The SDSDX3-016G-A31 will have 30MB/s speed rating regardless if the host device supports UHS or not. The SDSDRX3-016G-A21 will have the 30MB/s speed rating on a device that supports UHS and 20MB/s on a non-UHS device.
Me: Okay, sounds like the SDSDX3-016G-A31 is a better card?
SanDisk: Yes. But if your camera supports UHS then both cards will have the same performance.
That about sums it up!
Click to expand...

So, IMHO, you're still buying the old Class 6-20mb/second cards, with a new sticker, and the new UHS-I standard, which says that if your camera supports that new standard, you will see read/write speeds up to 30mb/sec. If you camera doesn't support it, it defaults to 20mb/second.
Yes, I know Class 10=10mb/second minimum speed-so technically, it's a Class 10 card.

But, memory manufacturers are getting so creative these days with their read/write maximum numbers, that it's totally confusing to the consumer.
Even if you were to buy the newest SDXC cards, the GH1 will default to the lower read/write speed(it's listed somewhere on Sandisk's site), so you won't get 45mb/sec. which the card/standard claims.

I will not be purchasing one of these "new" UHS-I cards, as my GH1 does not support that standard. So, if you can find the SDSDX3-016G-A31-which is what I bought a few weeks ago from B&H(it does not say HD video or UHS on it), that is the one I would go with.
Also, that was the last Sandisk card I will ever buy. Due to their "creative marketing", I can no longer trust Sandisk in their description of products. The new UHS-1 standard may be great for the newer camera's with memory controllers?, but neither they, nor the SDXC cards will benefit in the GH1, with the exception of larger size(up to 128GB). But, it seems that in all the manufacturers data I have read, the UHS-I cards default to 20mb/sec speed in non UHS enable devices.
 
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There's also this from Newegg: WINTEC FileMate 16GB Professional Class 10 Secure Digital SDHC Card. Cost: $19.99. FWIW, it has great reviews, 59 reviews, and overall 5 stars. Newegg is a reliable company. FWIW, these cards got their Customer Choice Award.

That said, I have not tried the cards, and from reading around, it seems they only get like:

14.4-15.7 MBytes/s write
(~16:05 to 17:34 to write 15190 MBytes)

16.3-17.9 MBytes/s read
(~14:10 to 15:31 to read 15190 MBytes)
 
Havasuphoto... thank you for bringing up some potentially good points. I don't see that these Sandisk cards were class 6 however... and even if they were 20mb/s in some devices... and 30mb/s in UHS-i compatible devices... they could still be class 10, as the same cards oldcorpse linked are lower mb/s (15mb/s) yet rated class 10.

I have to get to work, but I've been searching for a half-hour on this... and so far what I see is they are considered SDHC 2.0... and even in our own archives this has been discussed on this very card, yet the final answer is inconclusive.

I'm not here to defend the Sandisk cards however... or my purchase of them. I do appreciate your information so far... I'd just like to get this down to the hard facts. I see from the quoted conversation that in some devices this card may peak out at 20mb/s... and in others 30mb/s... but again, just like the other class 10 card linked... that doesn't make it a class 6 card.

I'll report back when I get my cards... but between the Sandisk and the Wintec... I would still feel more confident with the Sandisk for $10 difference (personally).
 
MattinSTL said:
Havasuphoto... thank you for bringing up some potentially good points. I don't see that these Sandisk cards were class 6 however... and even if they were 20mb/s in some devices... and 30mb/s in UHS-i compatible devices... they could still be class 10, as the same cards oldcorpse linked are lower mb/s (15mb/s) yet rated class 10.

I have to get to work, but I've been searching for a half-hour on this... and so far what I see is they are considered SDHC 2.0... and even in our own archives this has been discussed on this very card, yet the final answer is inconclusive.

I'm not here to defend the Sandisk cards however... or my purchase of them. I do appreciate your information so far... I'd just like to get this down to the hard facts. I see from the quoted conversation that in some devices this card may peak out at 20mb/s... and in others 30mb/s... but again, just like the other class 10 card linked... that doesn't make it a class 6 card.

I'll report back when I get my cards... but between the Sandisk and the Wintec... I would still feel more confident with the Sandisk for $10 difference (personally).
Click to expand...

I agree, class 10, is class 10-if it's over 10mb/sec.
Test them out, and see how well they work for you-you can always return them.

Also, even 20MB/Sec, should be fast enough for the fastest of patches, which only write about 100mb/sec(small b, card has big B). And, I've always used Sandisk, until now. I just don't like their "marketing ploy", so I will be going with another card maker in the future.
As you said, it took you 30 minutes of searching to get the details. Took me about the same. We shouldn't have to be doing this. If the card says 30mb/sec-spell it out, clearly, that this is only in UHS enable devices.....had to go and search for that one. Also, it wasn't me that classified this card as Class 6. Someone on Amazon did a review of the "older" version of this card, when it was marked at 20mb/sec, and said that the speed they were getting from the "new" sandisk card, was the same as their old Class 6 card. So, YMMV.

So, just to be clear, I'm not bagging on Sandisk(OK, maybe a little), but, buyer beware when buying SD memory cards. Some of the measuring standards have changed, and some of the memory standards have changed. If you are using an "older" camera, the camera itself, may be capable of writing no more than "Class 10" speeds-so there is no point in getting a USH, or SDXC card, except for the larger size. The GH1 still writes in FAT32, and nothing you can do can change that. That means 4Gb file spanning is still in effect, even with the new cards, because the camera writes to that standard.
 
OldCorpse said:
Hey, let us know what you find! If it works, I'll go for it too :)!
Click to expand...

Newegg: WINTEC FileMate 16GB Professional Class 10 Secure Digital SDHC Card

so i got a couple of these cards. they seem OK. Shooting with a t2i, occasionally I get those "buffer" warnings on the right side of the monitor. I've shot a ton of video with them over the last few weeks. The only issue besides the buffering was I actually had the camera stop itself during one shot. For 20 bucks I guess they're OK.
 
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