SanDisk Ultra 64 GB Dual Type-C USB 3.0 Flash Drive, Silver

This is a good storage device, which is designed to be compatible with laptops that have both USB A and USB C and other devices with USB C ports such as phones and tablets. It works well and 64GB is a good size for transferring files around, I found it particularly useful when transferring drivers to my new laptop, which only has two USB C ports. The slider, which pushes out the connections is quite strong and as long as you don’t use too much force I see no reason why it shouldn’t last the lifespan of the device. The read and write speeds are good, not as fast as my other storage device (Corsair Voyager, USB3, 128GB) but adequate. I only have a slight issue with the USB C side of the storage device. When you insert it into a USB C port it doesn’t click. So you’re not sure that you have inserted it properly. You probably have and whatever you do don’t apply too much force as you might break your USB C port (luckily mine is ok). No other issues. Really appreciate that they took the time to create a device like this, also works with my iPad Air 4th Generation.

Just as described - thanks!

By "typically" I mean not massively fast, but at the expected speed most of these 150MB/s flash drives are rated for. - Test setup (March 2018): Straight into a Thunderbolt 3, 2016 15" fully spec'd Apple MacBook Pro. Using this SanDisk 64GB drive in new/unused/pre-formatted (FAT32) condition, straight out the packaging. Tested using Blackmagic Disk Speed Test, at Blackmagic's 1GB and 5GB sizes. Using the drive's USB-C plug or it's USB-A plug (with an Aukey USB-C-to-USB-A adapter) directly into the MBP: 50-60 (write) / 160-170 (read). - Result: So read's on an empty drive are as expected, write's are a bit slow; but TBH they're well within what most of these flash drives' performances tend to be that advertise themselves at the "150MB/s" rated standard. - Summary: If you want to spend 2-4 times more on a flash drive that advertises newer "300MB/s" speeds, then of course you may get around a doubling of the read and writes shown here. But of course you're paying usually significantly more for the privilege, and those flash drives are typically much bulkier as well, this one is only 4x2x1cm in size. Also, there are currently NO others (or at least none from main brands) on the market that do both USB-A and USB-C on one stick. This does the expected speeds, connected using the expected types. As of March 2018... If you need both A+C connection types, this is the one you're gonna need to buy. If you want faster speeds, at a higher price (19 quid for 64GB model), whilst sacrificing having both A+C USB connections, then look elsewhere. ----------- EDIT (one week later): Two quick points... 1) Faster drive. Those looking for SanDisk's ~300MB/s speed drive, which is more expensive (~double the price/GB), bulkier, only has a USB-A port and no USB-C port. Then the "SanDisk Extreme PRO" the current one they do in 128GB & 256GB sizes: https://www.amazon.co.uk/gp/product/B01MU8TZRV 2) Format. I should have said originally, Mac users will likely want to reformat the drive in Disk Utility app. The drive natively comes in FAT32, which only allows max file sizes of ~4GB. So I used "Mac OS Extended (Journaled)" and "GUID Partition Map" type. Likely only work on Macs though, but that's my work environment. Speeds quoted in main review above remain the same, BTW. ExFAT could also be used (not sure whether that's as "Master Boot Record" or "GUID Partition Map" type? – I think the latter is best for newer OS's like Sierra onwards or Win 7 onwards?), but that's got limitations (e.g. max 11 character drive partition names), see here: https://support.apple.com/kb/PH22240?locale=en_GB Hope this helps any Mac (and Win) users who are unsure.

Great value dual USB-A & USB-C 3.0 stick, fast and reliable, with retractable connectors.

Handy device to have at hand for phone or laptop

Excelent idea

Superb

Works well and a good idea but when pushing the drive into a tight USB socket the mechanism gives way. This happened after a few months so please be warned.

これめっちゃいい 小さいし端子出し入れできるのが良い

Gemakkelijk te gebruiken en neemt geen plaats in.

Muy bueno y fácil de usar tanto en celular y computadora. Lo único detalle que tengo, es que si se calienta mucho en el uso, pero fuera de eso, funciona de manera perfecta.

The SanDisk 32GB Ultra Dual Drive USB Type-C works exactly as it should — fast, stable, and reliable. In my case, this specific drive is required to complete software updates on Nissan products per the manufacturer’s guidelines. These have been on back order for months through Nissan, so I sourced this model directly, had it in hand within two days, installed the software, and was able to get customers back on the road without further delay. Performance has been consistent, and compatibility has been spot on for the intended use. No corruption issues, no failed updates — just plug in and go. At this point, I’ve purchased around 16 of these because they simply work. If you need a dependable dual USB-C / USB-A drive for professional use, this one gets it done.

Es muy versátil por su clavija doble (USB A y USB C) sirve tanto como para móviles (si tu móvil tiene USB tipo C) como para ordenadores. No he comprobado la velocidad pero SanDisk es una marca buena en estos ámbitos. El selector de clavija, el deslizado que hace que salga el A o el C, no va suelto, tiene un pequeño tope en el medio para que se puedan mantener las dos clavijas escondidas y el deslizamiento tiene un poco de resistencia cosa que agradezco para que no se abran solas las clavijas. Me ha gustado tanto que he comprado otros 2.