Last Updated: April 9, 2020 (Refresh Now)

SanDisk Ultra 400GB MicroSDXC UHS I Card with Adapter SDSQUAR 400G GN6MA

Last Updated: April 9, 2020 (Refresh Now)
9.0
SCORE
/10
Total Reviews
995
Old Reviews
49
Unverified
24
Spam Test
PASS
409600 GB
MEMORY
Full HD 1080p
RESOLUTION
Yes
VIDEO
3
NUMBER OF USB PORTS

Review Analysis - 922 recent, verified reviews

Detailed Mode
Memory
 104
storage, card, sandisk, gb, nintendo switch
+92%
-8%
comment
" ...  I don't know if it is because I'm using it with nintendo switch device but when installed on it the storage capacity showed was 119gb, besides that it works well.  ...  "
comment
" ...  The price per GB ratio for this 400 GB card was perfect for me.  ...  "
comment
" ...  Works great was skeptical at first but after installing it add lots of storage .  ...  "
comment
" ...  The SD to micro-SD adapter means you can easily plug it in to your laptop or PC to transfer files.  ...  "
comment
" ...  Actual storage is closer 119 gb.  ...  "
comment
" ...  I have a ton of storage now on my phone and dont have to worry about avoiding pictures or videos cuz i don't have enough room on my phone.  ...  "
comment
" ...  I received a legitimate SanDisk and it does hold ~119GB (128GB version) when formatted.  ...  "
comment
" ...  128gb cheapest price sandisk original  ...  "
Storage
 103
sd, memory, sandisk, sd cards, nintendo switch
+83%
-17%
comment
" ...  The price per GB ratio for this 400 GB card was perfect for me.  ...  "
comment
" ...  Great for HD cameras, tablets, phones, portable game consoles, and removable pc storage.  ...  "
comment
" ...  Now I have to go get another memory card for my phone one that actually fits.  ...  "
comment
" ...  Quality SD Card.  ...  "
comment
" ...  I highly recommend getting this SanDisk card for your Switch and, if you're an avid gamer like me, get at least 256 GB.  ...  "
comment
" ...  I bought the Micro SD and the package included a SD card adapter as well!!  ...  "
comment
" ...  Great little mirco sd.  ...  "
comment
" ...  My S3 had 64 gig sd card.  ...  "
Product Reliability
 71
card, years, working, far, always
+72%
-28%
comment
" ...  I've been using SanDisk micro SDs in my phones for years.  ...  "
comment
" ...  SanDisk has always been top of the heap, this card does not disappoint.  ...  "
comment
" ...  Sandisk is a reliable brand  ...  "
comment
" ...  Working well with my LG G4 so far. ... Hopefully last longer than previous128gb card.  ...  "
comment
" ...  Always functioned as expected, Fast, reliable, no failures.  ...  "
comment
" ...  I've used SanDisk before and expect this one will also work fine.  ...  "
comment
" ...  I have used SanDisk for all my memories for a long time.  ...  "
comment
" ...  Bought SanDisk for the reliability.  ...  "
Price
 63
money, good, product, quality, got
+98%
-2%
comment
" ...  Works great with a great price  ...  "
comment
" ...  LOVE IT especially for the price i got it at  ...  "
comment
" ...  Also a very great price!  ...  "
comment
" ...  Got it on black Friday for an excellent price.  ...  "
comment
" ...  Best for the price.  ...  "
comment
" ...  Great for the price!  ...  "
comment
" ...  Works great, awesome price.  ...  "
comment
" ...  Worth the money  ...  "
Device Compatibility
 61
tablet, samsung, computer, compatible, card
+85%
-15%
comment
" ...  Recommended for maximum storage in the latest devices.  ...  "
comment
" ...  Works perfectly and transferred data flawlessly.  ...  "
comment
" ...  Works well in my S8 phone.  ...  "
comment
" ...  not the speediest card on the market, but this is solid for something like a kindle tablet.  ...  "
comment
" ...  VERY compatible with my FiiO M11 Media player!  ...  "
comment
" ...  Gives my phone more memory than my laptop  ...  "
comment
" ...  I use it in my Note 4 phone.  ...  "
comment
" ...  This micro SDXC allows me to save all my music in one spot and I can move to other devices.  ...  "
Camera
 49
cameras, security, pictures, video, works great
+90%
-10%
comment
" ...  Works great for my cameras.  ...  "
comment
" ...  Works perfectly in our Canon EOS Rebel T6i.  ...  "
comment
" ...  Pictures pictures pictures .  ...  "
comment
" ...  Seems to work great in a SV3C surveillance camera.  ...  "
comment
" ...  Work well in GoPro  ...  "
comment
" ...  Fantastic for DSLR cameras, 4K video cameras, or GoPro's.  ...  "
comment
" ...  It seemed slow when saving pictures, but great quality of product.  ...  "
comment
" ...  I used it for my cameras perfect  ...  "
Overall performance
 45
speed, speeds, card, write, reliable
+98%
-2%
comment
" ...  I have not measured the read and write speed but it is fast enough for HD videos which is good for my needs.  ...  "
comment
" ...  Not sure if it’s that much faster than others, but am satisfied overall with performance.  ...  "
comment
" ...  Great product and shipped fast!  ...  "
comment
" ...  Seems to work fine, although the phone suggested this was NOT a high speed card when I set it up.  ...  "
comment
" ...  Honestly, I bought this for my Go-Pro since it recommends the "ultra" higher speed microSD card. ... It could be my Go-Pro software speed, but I can't tell a difference, however I can't complain & I couldn't find a 64gb standard SanDisk?  ...  "
comment
" ...  Fast as well  ...  "
comment
" ...  Always functioned as expected, Fast, reliable, no failures.  ...  "
comment
" ...  As for the reading speed it might get to 100MB/s but Avg is ,pre about 90MB/s but the Write speed is a different story, it might reach 50MB/s but avg is more about 30MB/s.  ...  "
Marketplace
 39
described, amazon, advertised, product, quality
+79%
-21%
comment
" ...  This is my 3rd purchase from amazon and i am always satisfied with the quality of this product.  ...  "
comment
" ...  Works as described  ...  "
comment
" ...  My replacement works so much better than the original.  ...  "
comment
" ...  Product was as described.  ...  "
comment
" ...  I won the counterfeit "lottery" and actually got a genuine card!  ...  "
comment
" ...  Works as described.  ...  "
comment
" ...  On the spot" thanks  ...  "
comment
" ...  Prompt shipment, quality product.  ...  "
Storage
 29
storage, switch, plenty, capacity, room
+97%
-3%
comment
" ...  I have quite a few but so far there is plenty of space .  ...  "
comment
" ...  Maximum storage it could take.  ...  "
comment
" ...  Holds a ton of media.  ...  "
comment
" ...  The amount of space listed for it is accurate (as opposed to the scam cards you'll find for like 40 bucks with no reviews on 'em), and it was delivered within a day, free shipping (though that might be a result of having an Amazon Prime membership).  ...  "
comment
" ...  Well, I was running low on space.  ...  "
comment
" ...  I understand its a bit expensive for almost the amount of storage it advertises but it is a decent piece of equipment from a reliable brand which i honestly what im looking for personally.  ...  "
comment
" ...  The Switch is telling me that the card has 366gb available space, which I’m not sure why, but in either case, I have zero issues with the card.  ...  "
comment
" ...  Been using it for a couple months now and its holding up with great storage left  ...  "
Software Platform
 27
samsung, tablet, roku, format, error
+67%
-33%
comment
" ...  Dont believe when they tell you these cards work with Roku’s.  ...  "
comment
" ...  I removed the card and inserted it into my Linux server - no problems accessing the filesystem that way.  ...  "
comment
" ...  Im using this to run linux on a raspberry pi 3 and its been great.  ...  "
comment
" ...  Worked well on my Samsung note 4 , but jammed Huawei p9 plus and showed Huawei Nova 3  ...  "
comment
" ...  works great for raspberry pi!  ...  "
comment
" ...  As soon as your Switch downloads the data expansion update, for example, you'll probably never have to worry about running out of space for eShop games, game expansion updates, or DLC ever again.  ...  "
comment
" ...  The price and Class 10 quality make this my go-to device for Raspberry Pi Computer projects, nuff said.  ...  "
comment
" ...  Successfully added to my Samsung S7 and working seamlessly.  ...  "
Fit
 22
fit, fits, works great, works, work
+82%
-18%
comment
" ...  Fits into phone for expanded storage (Razer phone 2) and no compatibility issues.  ...  "
comment
" ...  When the drone fell out of the tree the card still worked, it had all the footage of the wreck and all.  ...  "
comment
" ...  works well in my dash cam  ...  "
comment
" ...  I needed a mini disk for my dash cam and this was exactly what I ordered and received.  ...  "
comment
" ...  Picked this memory card up to use in a small hand-held camcorder (yeah, some people still use those).  ...  "
comment
" ...  Fits and works great with my phone extra storage I been needing  ...  "
comment
" ...  Good choice for a back up/dash cam.  ...  "
comment
" ...  FIT WRIGHT IN MY TABLET  ...  "
Gaming
 19
switch, want, nintendo, downloaded, well
+100%
comment
" ...  perfect for the younger ones who think they need all kinds of games downloaded at once.  ...  "
comment
" ...  I have no issues storing my games or screenshots on it and it is so easy and ready to set it up.  ...  "
comment
" ...  I mainly buy physical games, but now a days they’re putting half of the game on the game cartridge and the rest has to be downloaded to the system.  ...  "
comment
" ...  I used the product to burn an image with Balena etcher for retro gaming.  ...  "
comment
" ...  As for downloadable games it can vary quite a bit. ... Most first party Nintendo games aren't that big ... With that in mind you can expect most big budget games to be in the 20GB range.  ...  "
comment
" ...  No more archiving my switch games and waiting 2 hours to re-download the game i want to play, this little card is great.  ...  "
comment
" ...  It should serve us well and I'm excited to be able to download and experience more games!  ...  "
comment
" ...  Time will tell how well it holds, but my games are playing fine for now.  ...  "
Product As Described
 17
described, advertised, product, exactly
+100%
comment
" ...  Exactly as stated!!  ...  "
comment
" ...  Works as described.  ...  "
comment
" ...  Exactly as described.  ...  "
comment
" ...  Just as described.  ...  "
comment
" ...  As a described  ...  "
comment
" ...  Works as advertised.  ...  "
comment
" ...  Works exactly as advertised.  ...  "
comment
" ...  Showed up just as described works great  ...  "
Video Playback
 16
videos, movies, without, put, playing
+100%
comment
" ...  Use for fire table to get more room to download movies  ...  "
comment
" ...  Hold a lot of video.  ...  "
comment
" ...  I didn't know if it would work on my new Fire HD tablet but it does do well on videos.  ...  "
comment
" ...  Use for Audio books, Videos and Movies.  ...  "
comment
" ...  To my surprise the video came up and the quality was perfect!  ...  "
comment
" ...  I copied some movies onto it, then put it back in the Kindle. ... This time, when I put it BACK in the Kindle, all was good - movies were visible and playable.  ...  "
comment
" ...  Show beautiful video.  ...  "
comment
" ...  They do fine on recording HD video etc.  ...  "
Returns
 16
item, returned, refund, amazon
+6%
-94%
comment
" ...  I did not get an option to return the item.  ...  "
comment
" ...  Otherwise I would have returned the item.  ...  "
comment
" ...  On top of that, I cannot return the item!  ...  "
comment
" ...  Having a hard time getting a refund from Amazon.  ...  "
comment
" ...  Returned for refund.  ...  "
comment
" ...  I sent it back.  ...  "
comment
" ...  Useless to me and the return window closed last week.  ...  "
comment
" ...  I bought 3 and cant return they wont work at all.  ...  "
Delivery
 16
fast, works, shipping, shipped, received
+94%
-6%
comment
" ...  Arrived on time and works as it should, good product  ...  "
comment
" ...  Simple product (given the amazing state of technology) that delivered as promised.  ...  "
comment
" ...  correct item fast delivery and works right of the card ty  ...  "
comment
" ...  Very well packaged  ...  "
comment
" ...  Shipping was fast  ...  "
comment
" ...  Shipped fast, pleased with product  ...  "
comment
" ...  Received timely and as described.  ...  "
comment
" ...  Shipping was quick.  ...  "
Ease of Use
 14
simple, easy to install, use, install, took
+100%
comment
" ...  Easy to use  ...  "
comment
" ...  however, it really isn't hard to figure out how everything works.  ...  "
comment
" ...  Overall easy to install, took me about 3 hours, but I was taking my time.  ...  "
comment
" ...  easy to install.  ...  "
comment
" ...  It was easy to install  ...  "
comment
" ...  Easy, cheap, made well.  ...  "
comment
" ...  But this is one of the best prices I've seen and it was an easy transaction.  ...  "
comment
" ...  Easy to install .  ...  "
Setup
 12
setup, easy to install, took, set, installation
+92%
-8%
comment
" ...  It was easy to install  ...  "
comment
" ...  Installed, no problem.  ...  "
comment
" ...  No issues since installation from last 1 1/2 months.  ...  "
comment
" ...  Easy to install .  ...  "
comment
" ...  It was easy to setup and put on my crossbow, not going to use it for this but good for now.  ...  "
comment
" ...  Overall easy to install, took me about 3 hours, but I was taking my time.  ...  "
comment
" ...  easy to install.  ...  "
Resolution
 12
tablet, 4k, videos, fire hd, video
+92%
-8%
comment
" ...  Works great in my Fire HD 8 tablet.  ...  "
comment
" ...  Works perfect with my new Amazon Fire HD 10  ...  "
comment
" ...  I have not measured the read and write speed but it is fast enough for HD videos which is good for my needs.  ...  "
comment
" ...  I didn't know if it would work on my new Fire HD tablet but it does do well on videos.  ...  "
comment
" ...  Can't comment on transfer speed, but I can say this card works Ok when recording HD (1080p) video.  ...  "
comment
" ...  Just installed in my Amazon tablet HD 8, 6th Edition.  ...  "
comment
" ...  This does what I need it to do: store 4k movies without a hitch.  ...  "
comment
" ...  I got 2 of the 64 gig cards - one for my dash cam, one for my "4K action cam" (like a GoPro).  ...  "
Picture Quality
 12
picture, pictures, good
+92%
-8%
comment
" ...  Pictures pictures pictures .  ...  "
comment
" ...  Couldn't recover photos after the best golden hour I've seen in years  ...  "
comment
" ...  No mere fire drills before picture time!!  ...  "
comment
" ...  Image quality and color are amazing for the price point.  ...  "
comment
" ...  The still picture quality during the day are pretty good too.  ...  "
comment
" ...  I have had it now for two weeks and love the picture quality.  ...  "
comment
" ...  Good quality photos.  ...  "
Apps
 10
tablet, applications, app, samsung, camera
+90%
-10%
comment
" ...  These work very well in all applications.  ...  "
comment
" ...  Just installed your card, erase/format, and you’re ready to go.  ...  "
comment
" ...  software has grown in size since the release of the S3.  ...  "
comment
" ...  I have tested it for other applications like normal files and regular video as well.  ...  "
comment
" ...  it holds digital pictures and apps  ...  "
comment
" ...  Just downloaded the app on to my Android, plugged in the camera, and -- viola!-- was using the camera!  ...  "
comment
" ...  The app works great and I can even listen to what's going on at my house in addition to the video.  ...  "
comment
" ...  Placed it in my tablet and it runs applications fine.  ...  "
Ports
 10
usb, plug, nice, needed, micro sd
+80%
-20%
comment
" ...  It works like an external usb drive.  ...  "
comment
" ...  Shipping is fast, products came with micro sd adapters and they work perfectly fine.  ...  "
comment
" ...  I removed the card and inserted it into my Linux server - no problems accessing the filesystem that way.  ...  "
comment
" ...  The included adapter may not be needed, but still nice to have.  ...  "
comment
" ...  It comes with three different USB plugs for versatility.  ...  "
comment
" ...  The SD to micro-SD adapter means you can easily plug it in to your laptop or PC to transfer files.  ...  "
comment
" ...  its super fast, and nice with the extra adapter!  ...  "
comment
" ...  Used many of these on all of my Raspberry Pi's, portable USB Media Players, disk extenders on TIVO, etc.  ...  "
For Kids
 8
kids, daughter, bought, happy
+88%
-13%
comment
" ...  Grandson is happy to have it for his Nintendo Switch, so we are happy!  ...  "
comment
" ...  Just what my son needed  ...  "
comment
" ...  Bought it for my daughter.  ...  "
comment
" ...  I got this for my son he has not use it yet when he does.  ...  "
comment
" ...  My daughter has a Kindle Fire kids edition.  ...  "
comment
" ...  Great bought to us for kids firetab  ...  "
Capacity
 7
plenty, family, 400gb
+100%
comment
" ...  They always deliver to wrong house, which i became friends by now.  ...  "
comment
" ...  I love the room on my Phone  ...  "
comment
" ...  Plenty of room with the 400GB.  ...  "
comment
" ...  Plenty of room  ...  "
comment
" ...  I would recommend this to friends and family.  ...  "
comment
" ...  I can see using this in drains, walls, engines, etc.  ...  "
comment
" ...  For the 3 adapters for my family’s gifts.  ...  "
For Travel
 6
travel, would, opening, games, 3
+83%
-17%
comment
" ...  Used this with a video camera to record my daughters travel softball.  ...  "
comment
" ...  I was looking to maximize the storage on my Fire10 HD for when I travel.  ...  "
comment
" ...  128 GB good size for long trip dash cam use  ...  "
comment
" ...  Overall, I'm happy with my camera and I look forward to taking it on vacations.  ...  "
comment
" ...  We would download games and shows to it for plane rides and she would end up with only like 3 games and 3 tv episodes because of the built in storage capacity.  ...  "
Codecs
 6
videos, movies
+17%
-83%
comment
" ...  It will not re-format.  ...  "
comment
" ...  Card would not format using Wyse  ...  "
comment
" ...  wrote to it once and now it won't even format.  ...  "
comment
" ...  I ordered one, it would not format or accept a disk image being written to it.  ...  "
comment
" ...  it will not format, nor is it readable.  ...  "
Original Product
 6
genuine, card
+50%
-50%
comment
" ...  Chinese knock off.  ...  "
comment
" ...  After comparing both I was able to determine that the one bought here was a fake .  ...  "
comment
" ...  I am sure this is a fake card!  ...  "
Build Quality
 5
cheap, easy
+60%
-40%
comment
" ...  Easy, cheap, made well.  ...  "
comment
" ...  Works well and appears to be durable  ...  "
As Gift
 4
+100%
comment
" ...  It was a gift for someone  ...  "
comment
" ...  I got for my friend as a gift and he really enjoyed it.  ...  "
comment
" ...  It was a gift.  ...  "
comment
" ...  Bought it as a present.  ...  "
Defective Delivery
 4
product
+25%
-75%
comment
" ...  1 works great, the other was defective.  ...  "
comment
" ...  This item was defective right out of the box.  ...  "
comment
" ...  It is defective!!  ...  "
Zoom
 4
video, picture, get, ability, lens
+100%
comment
" ...  I got it for my Zoom H1N Audio Recorder and it is a great pairing.  ...  "
comment
" ...  Great picture with zoom while watching ability. ... We also, love the ability to rotate my phone screen, move the cam, zoom and get a bigger picture to scrutinize anything questionable.  ...  "
comment
" ...  The lens is a fixed lens so you can not zoom in on still pictures, but I guess the trade off is that video quality is better on the a100 than the a80.  ...  "
comment
" ...  I like the zoom 5X and as soon as I get some video with it I think is good will post.  ...  "
Video Recording
 4
recording, videos, hd, gopro, dslr
+100%
comment
" ...  Perfect for recording dash-cam videos.  ...  "
comment
" ...  It's in a 1080P security camera and hasn't missed a beat recording the action captured.  ...  "
comment
" ...  Fantastic for DSLR cameras, 4K video cameras, or GoPro's.  ...  "
comment
" ...  They do fine on recording HD video etc.  ...  "
Comfort
 4
+25%
-75%
comment
" ...  I know it's used, but the package is worn out.  ...  "
comment
" ...  I feel ripped off.  ...  "
Drivers
 3
+67%
-33%
comment
" ...  Just enough space to record and keep footage of crazy drivers while I'm OTR for my protection.  ...  "
comment
" ...  Upon inserting it, it will prompt for an update, which is grabbing the exFAT driver and license.  ...  "
ISP
 3
+33%
-67%
comment
" ...  It can only read 20mbps while description says 100mbps.  ...  "
comment
" ...  Couldn't get it on the network even when connected directly to the router.  ...  "
Size
 3
+100%
comment
" ...  I was looking to maximize the storage on my Fire10 HD for when I travel.  ...  "
comment
" ...  size matters, and this card has loads of it.  ...  "

Review Spam Test     PASS

In order to keep our review summaries as accurate as possible, we aggressively detect fake reviews. We use various signals to detect unnatural patterns and will gradually expose them here.

PASS
Unverified Review Streak
PASS
High Velocity Reviewers
PASS
Inactive Reviewers
PASS
Reviewer History Overlap

Specifications

Connectivity
Number of USB ports:  3 
USB:  Yes 
Camera
Video:  Yes 
Memory
Memory:  409600 GB
Display
Resolution:  Full HD 1080p 
409600 GB
MEMORY
Full HD 1080p
RESOLUTION
Yes
VIDEO
3
NUMBER OF USB PORTS