For those of you not in the know, most current SD cards implement an Ultra High Speed bus (which is abbreviated UHS-I or UHS-1) because it is the 1st version of this bus. It has a maximum transfer rate of 104MB/sec. Since there are some cases which require higher transfer speeds, the SD card consortium has created a new bus called UHS-II (or UHS-2.) The difference is two-fold:
UHS-II raises the maximum transfer rate up to 312MB/s.
UHS-II uses an additional row of pins/contacts to get there.
This means that UHS-II cards can only be fully utilized if the device using it has physical support for these extra pins/contacts. If the device does not have these extra pins (and that’s pretty much all devices as of 2014), then the SD card will fall back to UHS-I mode. Continue reading A list of UHS-II SD cards, readers, and cameras→
In the 16GB USB 3.0 Flash Drives for under $20 review last month, it was noted that the incredibly small Leef Supra 3.0 was a blazing fast contender. The only thing faster was the large SanDisk Extreme and that was the funny thing: SanDisk didn’t have a tiny USB 3.0 drive! Up until now, the only thing SanDisk had in this category was the Cruzer Fit, a USB 2.0 drive.
Well, SanDisk just released the Ultra Fit USB 3.0 drive which appears to be positioned exactly to compete against the Leef Supra 3.0. The question is “How does it perform?”
After reviewing the whole SanDisk SD card line-up recently, it seems obvious that we all need to move more and more data around, faster and faster. So how to choose which SD card reader for getting pictures and videos off our cameras?
Looking on Amazon.com reveals a whole mess of USB 3.0 SD card readers. Some as cheap as $5, others are more expensive costing $10 and $15. But how do you really know what you’re getting? The average Amazon.com review isn’t all that comprehensive.
Three USB 3.0 SD card readers were picked from the pile (all around $10), put under the microscope, and then a bunch of SD cards were thrown at them to see what happened. Surprisingly, each SD reader had its own advantages and disadvantages with no clear winner. Choosing which one will come down to personal preference, mostly.
If you’re not shooting pictures with your cellphone camera, then it’s probably a good bet that you’re probably using a digital camera that takes SD memory cards for picture storage. There are lots of SD card manufacturers out there, but perhaps the most popular SD memory card manufacturer is SanDisk.
Looking at SanDisk’s website, it appears that they have quite the line-up of SD cards. One would think that 3 different SD cards would be enough to sell to a camera-happy world, but SanDisk seems to think that 6 different cards is needed for all your different photo shooting needs. So which card to buy for your camera?
When reviewing the Top 16GB USB flash drives under $20 of 2014, it was observed that the ever-tiny Leef Supra 3.0 was surprisingly fast for such a small thing. This warranted a closer comparison to something like a Lexar 633x MicroSDHC card (with USB 3.0 Lexar reader) which was a tad larger, but overall, pretty close to the same size. In addition to this, a generic USB 2.0 MicroSD card reader was thrown in for contrast.
The nagging question was “How does the Leef stack up to the competition?”