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🚀 Dual-speed storage that keeps your digital life effortlessly connected.
The SanDisk 256GB Ultra Dual Drive Go is a versatile 2-in-1 USB flash drive featuring reversible USB Type-C and traditional Type-A connectors. It delivers ultra-fast USB 3.2 Gen 1 read speeds up to 400MB/s, enabling seamless file transfers between modern smartphones, tablets, Macs, and legacy computers. Designed for on-the-go professionals, it supports automatic photo backups via the SanDisk Memory Zone app and offers a durable, compact swivel design for easy portability.










| ASIN | B0CKJ8YDRK |
| Additional Features | Fast Data Transfer |
| Best Sellers Rank | #19 in USB Flash Drives |
| Brand | Sandisk |
| Color | Black |
| Compatible Devices | Desktops, Laptops, Smartphones, Tablets |
| Connectivity Technology | USB |
| Customer Reviews | 4.3 out of 5 stars 5,531 Reviews |
| Flash Memory Type | USB |
| Hardware Connectivity Technology | USB Type A, USB Type C |
| Hardware Interface | USB Type C |
| Item Weight | 4.54 g |
| Manufacturer | Sandisk Technologies, Inc. |
| Memory Storage Capacity | 256 GB |
| Mfr Part Number | SDDDC3-256G-GAM46 |
| Model Name | SDDDC2-256G-A46 |
| Model Number | SDDDC3-256G-GAM46 |
| Read Speed | 400 Megabytes Per Second |
| Special Feature | Fast Data Transfer |
| UPC | 619659198152 |
| Warranty Description | 5-year limited manufacturer warranty |
| Write Speed | 4E+2 megabytes_per_second |
A**N
Best performance , reliability and price. Works with any device
Excellent Product for any device and was strategically purchased for Tesla car with dual port for iphone or android device to show to police officer right there on spot if tesla damages after incident and cant play video. Abosultely beast for Tesla cars and never dropped a single frame in the video due to lowest over heating buffer on USB stick is higher than output birthrate on all cameras writing at the same time. Highly recommend for iPhone, Android, ipad, android tablet or Tesla. Price is the best too for this class and nice data controller. Additionally, Amazon got 2 more stars to make it as 7 stars due that product arrived next day for 5-8 guaranteed for free. Love it a lot. It is smaller than on the image -smaller than half of the finger of the size.
N**A
Works as expected.
Great USB drive was hoping that I could charge my phone with this at the same time of using it but to bad so sad. Small easy to loose, put it down and if I cover it and push what ever I covered it with and not pay attention I have a hard time finding it. My desk is messy. It does feel like it can take some hat of a beating so it is pretty durable. Write and read speed is good although I haven't measured it so it functions good. I mainly use it to watch movies I have.
M**D
Faster than I expected
I bought this SanDisk drive to finally free up some space on my phone and it's worked great! It was way faster than I had expected and the SanDisk Memory Zone app makes it a lot easier to take bulk actions like copying and deleting the original. I've used it formatted as FAT32 and it plays nicely with Android, iOS, and Windows. Having both USB ports is definitely nice for connectivity and the pivoting mechanism keeps the physical size of the drive nice and small. It has a plastic case and I haven't noticed any heat problems, even during big transfers.
D**A
Enjoying full transfer speeds on both interfaces without adapters is good.
Can't recommend it enough. Plug and play, small, being able to enjoy full speed transfers in USB-C or USB-A without losing speed through an adapter. Just great. Also, having 128GB is almost like an external SSD for a way lower price. I highly recommend this.
C**O
Almost perfect
So far, I've been loving this drives speed and capacity. However, performance has been lacking as i noticed it disconnects rather frequently when used with my tablet and phone. Will updte when/if i find a fix but so far, Not deserving of a 5 star review. Update: Comparing this to other drives. It's slow. Annoyingly so. Writing to it literally takes about 2 minutes before even a small piece of the loading bar comes up. Even reading files takes a while. 🤦🏽♂️ Update 2: So I double checked the specs of my laptop just to make sure I'm not crazy. Confirmed the laptop has 2x USB Type C-3.2 Gen 1 ports and the drive is also USB Type C-3.2 Gen 1 and I have never seen this drive even get close to the advertised speeds. Extremely Disappointing! Update 3: I've found that the frequent disconnecting issue was a result of user error. Quick and to the point, Don't have your device in battery saver mode. I've had no issues with connectivity after finding this out. While the older 128gb sandisk pendrive i had didn't have the same issue this one has. I still prefer this as it doesnt get as hot as the older drive while having 4x the storage and slightly (albeit still slow) faster speeds. Worth it!
B**A
I’ve used sandisk & many other brands in the past, & this one is it!!!
I bought this item close to a year ago. Opened it and just let it sit since then. For some reason I have it in my mind that I couldn’t get this to work with the app due to the type of phone I have. Well, I just bought another flash drive that was faulty, and happened to stumble upon this in my purchase history. I decided to look into it further and realized that for an iPhone 15 you just need to transfer through the files app on your phone. I decided to try it last night, and was pleasantly surprised it worked. In fact I was able to download over 5100 picture and video files within 45-60 minutes lat night. I ended up working on transferring more today, and I have almost all 22,000 picture and video files transferred. With any other flash drive I’ve had in the past, it would’ve taken hours just to transfer a few hundred pictures at a time. To say I was impressed is an understatement. I did run into an issue that I’m not sure about, but all afternoon after selecting a thousand or so files it would alert me that I couldn’t continue with the transfer. I would attempt to make the transfer smaller each time and it would rarely work. On occasion it would eventually work when I only had a few pics selected. But the odd part is that a lot of those files actually did transfer once I plugged the drive into my computer. So I’m still not sure the reasoning on this. If anyone has an answer I’d love to know it! I’m notorious for never having space for taking photos on my phone, which has a 256 GB memory, so I’m super thrilled to finally get these transferred in a timely manner. Highly recommend. I will continue to buy more in multiple colors to help organize timeline.
C**E
Works great and super small
Works great, I lost the one before and this is the replace
P**S
Not what I expected
It’s that time of year again when the new iphone is introduced and like a lemming I placed my order withing seconds and now I just got one of the first batch, the new pro max model. While I admire the convenience of just saying yes a few times and having the new phone replicate everything in my old one, which is being traded in, this year is a little different. It has some major changes to the operating system and I decided to start fresh with the tedious task of reinstalling everything. That task can have its dangers though and I’ve spent all morning trying to do a backup to my Macbook and it didn’t go well. So backing up to an external drive seemed even safer, if it worked as I hoped. WHY SANDISK As soon as I started shopping my eyes started to glaze over, there were pages and pages of thumb drives and for some inexplicable reason most of them still had lightning connectors, which means I would have to use a chancy adapter. I don’t get it, we are at least a couple of generations removed from that now obsolete connector and companies are still selling drives at full price. Then I saw this one from SanDisk and I thought my search was over. This is a brand I have trusted for years and the first thing that caught my attention was that it has the now standard USB-C connector as well as the universal USB-A connector. As my cloud backup is only 8GB I chose one of the smallest sizes I could get, based primarily on the fact that I could get it the same day so I can do my back and start using my new phone. DOES IT WORK This question has to be either yes or no, it either does the job or it doesn’t. So as soon as it arrived I plugged it in. There’s no need to get into techie specs with something like this, in today’s world there rarely is such a thing as slow. Another thing we expect in today’s world is for something to do the job it was purchased for. On one hand, if judged simply as a thumb drive this one is okay – slightly overpriced and slightly cheesy construction. On the other hand they heavily promote this as a simple plug-in backup device for smartphones. What they don’t make clear is they don’t mean all smartphones. This is clearly intended more for the Android crowd and that’s the biggest strike against it – if plugged in to a current iphone it does absolutely nothing (in terms of self-running a useful backup app). In the tiniest font possible on the back of the hanger card they tell you, after you’ve already bought the product and brought it home, that it may not be compatible will all devices and they give you a website. Unfortunately that link is broken. By now it is clear that this is not what I expected. So I searched their website, which is actually Western Digital’s website, and deeply buried in there (it took about 10 minutes to unearth it) behind a lot of conflicting information I finally learned that to use with an iphone I have to manually locate the Files folder and drag those to the SanDisk … but not all files are located there, it takes a separate task to locate and save photographs, that still leaves some files that I would like backed up. In their FAQ tools they seem to make it clear that this really isn’t a backup drive for an iPhone after all. It sounded too good to be true. YES NO MAYBE I’m splitting my opinion two ways on this. On one hand it is a decent generic flash drive from a company with a good reputation. On the other hand it is basically useless as a plug and play solution to easily backup my Apple phone. Additionally I would like to see a bit more rugged enclosure. The plastic reminds me of the cheap flash drives they give away for free at carnivals and trade shows and does not give me confidence that my data is protected against physical damage. The balance of all that results in a score of three for average, not bad for some uses and not so good for others.
C**A
⭐⭐⭐⭐⭐
Easy to use and it works great.
B**D
Great value usb
Working as advertised! Would buy again in future!
A**.
جودة عالية
جودة عالية سرعة نقل بيانات عالية حجم صغير جدا مخرجين مختلفة
ぽ**吉
価格に見合った物!
1TBということもあり、値段は高いですが容量はしっかり1TBでした。 TypeCとUSBが使えるので、スマホとパソコンどちらにも使えます。 キャップがないので、キャップをなくす心配はありませんが…不安な方もいるかと思います。 私は別で小さいポーチを購入し入れています。
T**E
Excellent Product & Price Super-fast Delivery Thank You A1+++
Excellent Product & Price Super-fast Delivery Thank You A1+++
Trustpilot
3 days ago
1 month ago