Super Performance

Super Performance

SanDisk SDSDX-016G-X46 Extreme SDHC 16GB Class 10 UHS-I memory card up to 45MB / sec. Read (Personal Computers)

Customer Review

To be honest - I had my doubts about whether it's really worth to buy this card. Compared to the competition, it is about 2/3 more expensive.
I was not prepared to pay so much more for the name.
Therefore, I tend to the much-praised Transcend 16GB Extreme Speed ​​SDHC memory card but then bought Class 10 (20MB / s).
The SanDisk had indeed 30MB / s printed - but who believes everything the manufacturers promise - especially if by 'up to' is mentioned.

Unfortunately, the first delivered Transcend was broken (12.5 MB / s write performance, when trying to access to the second half of the store was understandable disappeared the partition). While waiting for the replacement, I ordered now but SanDisk. After all, I needed a map, I could vertauen.

Almost simultaneously I received the two cards that I wanted to compare instantly.

Under Win7 I received with H2testw v1.4 and a Digisol card reader, the following values:

SanDisk: 16.7 MB / s, 19.2 MB / s Read
Transcend: 16.5 MB / s, 19.2 MB / s Read
A-Data (32 GB, 8 months old): Writing 16.7 MB / s read 18.8 MB / s

The data were too much to each other. Thus, I suspected that the Digisol card reader was the bottleneck.

A new USB 3.0 reader was needed: Hama All in One SuperSpeed ​​Multi Card Reader (USB 3.0).
Since I do not have USB 3.0 on my computer, I was also curious to see if the 2.0 connection brings benefits also to a USB:
And lo and behold:

SanDisk: 22.8 MB / s, 32.0 MB / s Read
Transcend: 17.8 MB / s, 19.9 MB / s Read

The data of Transcend were only marginally better, but could the SanDisk show what they could.
A computer with USB 3.0 had to serve for the next test:

First, a test at whose USB 2.0 port in order to have a comparison of the systems:
SanDisk: 22.7 MB / s, 30.5 MB / s Read

The writing performance was virtually identical - the reading performance slightly worse.
The results on the USB 3.0 port then speak volumes safely:

SanDisk: 26.8 MB / s, 37.4 MB / s Read
Transcend: 18.5 MB / s, 20.3 MB / s Read

The Transcend holds the promise of 20 MB / s as well as the SanDisk 30MB / s. (With H2testw writing just below - in other benchmarks (ATTO), it was however above)

Conclusion:
The performance of SanDisk is above 50% over the Transcend. You get very well what you're willing to pay.
Interestingly, the Transcend has with 15378 MB a slightly larger memory than the SanDisk (15185 MB).
The performance of the SanDisk can only get if you use the appropriate hardware.
Many buyers have enough output power Transcend (the representative of any other class 10 card brands) - Who needs more, for the SanDisk is an excellent choice.

Update - 30/05/2012:
After about 9 months I need again new cards. Prices have fallen in the meantime by about half. Actually, I just wanted to buy a SanDisk, but the prices and the 20 euro free shipping threshold have led me to the end, both SanDisk and Transcend to buy a (each 16 GB). They are in principle the same cards that I tested in Augist.
But it is known that manufacturers switch suppliers of memory and since then may result in Qualititätsshcwankungen. So I was curious to see how it looked after 9 months:

First Impression:
Transcend: The map was (not the Frustration-Free) delivered in the original packaging. There is no plastic protective cover more (I'm pretty sure that that looked differently 9 months ago - because what it but the Frustration-Free Packaging). Storage size is not 15378 but 'only' have 15374 MB. A first indication that the other memory is used.
SanDisk: Both cards are SDHC UHS-I. War in August even up to 30 MB / s, the speech, so up to 45 MB / s are now being promised.

Test results (Hama card reader and computer as 9 months ago):
USB-2-Calculator (Win 7-32 bit):
August 2011:
Transcend: 17.8 MB / s, 19.9 MB / s Read
SanDisk: 22.8 MB / s, 32.0 MB / s Read
May 2012:
Transcend: 15.4 MB / s, 19.9 MB / s Read
SanDisk: 25.4 MB / s, 31.8 MB / s Read
June 2012 (with installed turbo drivers for Hama card reader):
Transcend: 15.8 MB / s, 21.3 MB / s Read
SanDisk: 29.3 MB / s, 38.4 MB / s Read

USB 3 computer: (Windows 7 - 64 Bit)
August 2011:
Transcend: 18.5 MB / s, 20.3 MB / s Read
SanDisk: 26.8 MB / s, 37.4 MB / s Read
May 2012:
Transcend: 15.6 MB / s, 20.5 MB / s Read
SanDisk: 33.9 MB / s, 37.3 MB / s Read
June 2012 (with installed turbo drivers for Hama card reader):
Transcend: 15.8 MB / s, 21.3 MB / s Read
SanDisk: 35.8 MB / s, 40.8 MB / s Read

The performance of the current Transcend is lower, the SanDisk was up again.
For a 40% higher price now nearly double is offered to power.
The Turbo driver for the Hama card reader could get the USB3 calculator again about 5% more power from SanDisk. (When Transcend minimal improvement was at least recognizable in reading). On USB2 computer the increase was even greater (when reading are hardly differences between USB2 and USB3 determine).

The Transcend disappointed something. The 45 MB / s I could not compete with the SanDisk. The bottleneck could be the card reader but again, the computer is at least not as I / s achieved with a USB flash drive read rates of 60MB.

Edit (28/08/2012):
Following a suggestion in the comments I have examined the SD card in a Canon 60D. High-speed continuous shooting with RAW + JPG. There is no noticeable differences. 7 images in a row, after a mini-break in the eighth and recording from the ninth picture already a significant delay. Both the Transcend and with the Sandisk. The whole has been a subjective acoustical testing. But if there are differences, they are negligible.

Edit (03.08.2013):
A year later and Transcend has the Transcend Ultimate Speed ​​SDHC Class 10 UHS-1 finally a card on the market, the price and terms of performance of the SanDisk can provide Extreme Paroli and even clearly surpasses reading (at least the extremes of the previous year) :
Transcend Ultimate speed: 36.4 MB / s, 75.7 MB / s Read

Good wiping quality - high wear Rank: 4/5
November 19
Perfect 1 10249 Rank: 5/5
March 9
Nice chalk and at school Rank: 4/5
August 29
Quality moderately Rank: 2/5
April 17
Good mud factor Rank: 4/5
December 16

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