SanDisk - Ultra 128GB USB 3.1, USB Type-C Flash Drive

My unit had something wrong with it. After transferring data from my computer, I plugged the device into my phone (Samsung Galaxy S9+) and accessed the data. Nothing complex - just some ebooks. After a few minutes, the unit was not just warm but very hot - uncomfortably so. I tested the port on the phone by using the adapter that came with the phone and a UBS thumb drive (also by SanDisk) - no problems with either the adapter or the thumb drive. A bit warmer than usual for a drive but nothing very noticeable. I contacted SanDisk and was told that the degree of heat was not usual and I should return it to Best Buy. I really like the idea of this drive but I think I will wait awhile before I buy it again. A few too many buyers have had the same problem. I am sure SanDisk will get it fixed - I have never had a problem with one of their drives before.

I purchased the SanDisk Ultra with type C connector for add on storage for my cell phone (ZTE Axon 7). The device was very easy to use, simply plug and play and your off. The great thing about this aside from the amount of storage is the dual connection ability. I haven't seen many phones using the type C connections yet, so that great. With the addition of the standard USB connection as well the device makes moving files back and forth between a cell phone and PC or tablet a breeze. The device is small enough that you can carry it on your keychain so you always have it available. I use mine specifically for large files, especially my movie library so that I have entertainment anywhere I go. This is definitely one of the most versatile portable storage devices I have seen, and the cost will not break the bank. I would recommend to anyone with a storage need and one or more devices using either the type C or standard USB connections.

First, let me start by saying unless you need the dual connector type for a single flash drive, you're better off purchasing individual connector types that you need. However, if you have multiple Macbooks like us with some having USB-C only and others having USB A only then this is great. Speeds are as advertised more or less. But as other reviewers have stated, it gets really hot, uncomfortably hot but I'm sure it's well within operating temperature. Still, it's worth noting.

This little device is a life saver between the new Mac and any USB port. The C-type works perfectly with my Mac book pro and then I can use the USB on my desk top. It makes it easier to transfer and keep files safe verses using a cloud storage site or application. You don't even need to buy a converter for the USB for the Mac. It worked as advertised however it is very plastic looking but I don't mind.

So the card is great if you have a USB C or TB3 port on your computer and you want to transfer files to something that only has USB Type A ports. But the biggest problem is that this card reads close to the advertised 150mb/s I was getting around 140-5mb/s but the write speeds are awful at around 50-55 mb/s. Its not a bad flash drive but its not what Sandisk advertised in terms of performance. Really good if you own a laptop with USB C and you need to transfer to and from another computer without only the older style USB.

I wanted this for the convenience of being able to use this with my MacBook Pro and other non usb-c devices. It works well however when I plug it into any usb 3 or c port it gets really hot really fast. Even when not transferring anything to the drive it heats up. At first I thought maybe I had a bad one but after doing some research it seems that this is an issue with all of these.

This device is very small and compact. Great to keep in a laptop bag or backpack to transfer files. While this isn't the fastest drive it gets the job done. I only need it for small transfer at a time of around 4-5gb which didn't seem to take overly long but not fast either. For this i only take off one start. This is great to have with USB-C being the future plug of choice in mist tech.

This device solved the to need of purchasing an extra on-the-go cable. It's compact and uses the modern USB type C and the faster USB 3.0 connectors. My only complaint is it did not come with a lanyard to place on a keychain. The place for a lanyard clip is very small and most of the key rings I tried did not work.