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Transcend SDXC 64GB Class 10 Review

Posted 30 December 2010 18:07 CET by Seán Byrne

Review: Transcend 64GB Class 10 SDXC Reviewed by: Seán Byrne Provided by: Transcend NL

Transcend was kind enough to lend us a 64GB Class 10 SDXC card for review.  Like other SD cards with greater than 32GB of capacity, this is a next generation SD card where the letters ‘XC’ stands for “eXtended Capacity”.  The SDXC format allows for capacities of up to 2TB, but due to the current manufacturing limitations, SDXC cards are only commercially available with capacities of up to 64GB at this time of writing. 

The vast majority of modern digital cameras use SD cards and with large number of professional level DSLR cameras now using SD cards, speed is a very important factor, such as for sports and press photographers, especially those who need to take many photos in rapid succession.  As this card has a Class 10 rating, this means that it must sustain a minimum write speed of 10MB/s even in a fragmented state.  So in this review, we will focus our testing on write performance and throughput.  These include tests with a clean card and filled to capacity with random photos removed to introduce free space fragmentation.

 

Transcend Company Information

Transcend is a well-known manufacturer of memory products, including USB flash drives, flash memory cards, card readers, computer RAM and a variety of consumer electronics goods. 

The company was founded in 1988 with its headquarters in Taipei, Taiwan and claim to be the first memory module manufacturer in Taiwan and also the second in the world to receive ISO 9001 certification.  Their products are marketed around the world, serving all the major markets. 

Further information on the Transcend Company Profile can be found on their website.

Retail packaging


The SDXC card was shipped to us in shrink-wrapped retail packaging, as shown in the following images:

Front

Rear

Close-up of the section in English

What’s inside the packaging?


Actually, to our surprise, there is nothing but the SDXC card inside, held in place by the rigid plastic packaging.  No storage case or card holder was included, so unless one plans keeping this permanently stored in the camera, we recommend getting a SD case/holder to protect the card.

The following technical specifications info is printed on the inside of the packaging.

Below this is the warranty info and how to activate it:

The following shows a close-up of the front and back of the SD card:

 

The yellow tab on the left is a switch to write-protect the card.  On the bottom of the card, we see the CE certification and what appears to be the serial # of the card. 

Size Comparison


Most users of SD cards don’t give a second thought about the storage density of the cards.  As long as the card stores their photos and performs to their expectations, that’s all they care about.  It is not until we started looking at this 64GB that we realise just how much information is being crammed into this postage stamp size item.  Remember when Blu-ray was announced and hearing about how incredible it is to pack 50GB on a CD size disc?  Well…

Imagine that DVD+R was a 50GB BD+R DL disc.  Now it’s quite clear just how far storage technology has come along since then.  Even the 256GB SSD above looks huge in comparison, not to mention 4 times thicker than the SD card.  If it was not for the high cost of NAND flash, recordable optical media for data storage would be history.

Product Specifications


The following specifications are , based on the packaging and the Transcend website:

  • 64GB Capacity
  • Class 10 write rating
  • Supports exFAT file system
  • Built-in Error Correcting Code (ECC)
  • Supports Content Protection for Recordable Media (CPRM)
  • Firmware upgradable
  • Supports auto-standby, power-off and sleep modes.
  • Mechanical write protect switch
  • Up to 25MB/s throughput
  • Dimensions (LxWxH): 32 x 24 x 2.1 (mm)
  • Weight: 2g
  • Operating Voltage: 2.7v ~ 3.6V
  • Operating Temperature: -25°C (-13°F) to 85°C (185°F)
  • Durability: 10,000 insertion/removal cycles
  • Fully compatible with Secure Digital 3.0 specifications
  • Limited Lifetime Warranty (Requires registration <30 days of purchase)

Now let’s head to the next page where we will look at our test PC and testing procedures…

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