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Gigastone 128GB 2-Pack Micro SD Card, Professional A2 V30 Ultra HD, High Speed 4K UHD Gaming, Micro SDXC UHS-I U3 C10 Class 10 Memory Card with Adapter, 5-Year Warranty

(39 customer reviews)

[4K UHD] Read/Write up to 100/50 MB/s. V30 video speed grade, Ultra HD (UHD) 4K video recording, UHD 4K gaming.
[Convenient] High resolution photo & video easily transfer from Camera or Drone to Personal Computer.
[App] A2 grade provides faster App loading performance for Smartphones & Tablets
[Compatibility] Storage expansion for Laptop, Tablet, PC, Smartphones, Camera, DSLR, Dash Cam, Camcorder, Surveillance, e-Reader, Drone, Gaming. Files, Videos, Music. Compatible with Nintendo Switch GoPro Android Samsung Canon Nikon. Waterproof, shockproof, temperature-proof and X-Ray proof.
[Support] Gigastone 5-year limited warranty.

$59.39

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SKU: B07QFTZ5KG Category:

Memory Storage Capacity: 128 GB. Secure Digital Association Speed Class: Class 10. Hardware Interface: MicroSDXC. Flash Memory Type: Micro SD. Brand: Gigastone. Date First Available: June 10, 2019. Best Sellers Rank: #623 in Micro SD Memory Cards. Customer Reviews: 4.6 out of 5 stars 1,332 ratings 4.6 out of 5 stars. Item model number: Micro SD A1 4K /A2 V30. ASIN: B07QFTZ5KG. Manufacturer: Gigastone. Item Weight: 0.352 ounces. Package Dimensions: 5.5 x 3.5 x 0.3 inches.

Specification: Gigastone 128GB 2-Pack Micro SD Card, Professional A2 V30 Ultra HD, High Speed 4K UHD Gaming, Micro SDXC UHS-I U3 C10 Class 10 Memory Card with Adapter, 5-Year Warranty

Weight 0.352 lbs

39 reviews for Gigastone 128GB 2-Pack Micro SD Card, Professional A2 V30 Ultra HD, High Speed 4K UHD Gaming, Micro SDXC UHS-I U3 C10 Class 10 Memory Card with Adapter, 5-Year Warranty

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  1. Gigaloaf

    Last time I was shopping for micro SD cards for a tablet and phone, I viewed these with skepticism. The Gigastone brand was not familiar to me, and given that cheap micro SDs with misrepresented storage capacity are rampant, the price seemed a little too good to be true. Well, I decided to give them a shot, figuring I could return them if they were bogus, and I’m glad I did! Capacity is just as claimed and they’ve been perfectly reliable. Next time I need some micro SD storage I’ll definitely keep Gigastone in mind.Read more

    Helpful(0) Unhelpful(0)You have already voted this
  2. Ted Whitten

    I am pleased with these cards. There is a lot of junk / fake memory cards on eBay and Amazon these days, that are outright scams. These are not that. These are good cards. They are what they claim to be. The memory size is as labeled, and they work. Everything copies in full, and intact. Buy with confidence. This is a good brand. I had never heard of Gigastone before, but these are good memory cards.Read more

    Helpful(0) Unhelpful(0)You have already voted this
  3. Chris Weber

    So I purchased these for two Switch Lites that my daughter and I both own. We needed more storage, and these seemed to fit the bill. They are pretty fast, so knew that they would work well. Sure enough they do! No lag in games, fast load in times, and getting a pair of them at a great price is always a bonus. If you’re looking to just pick one up then move on from this, but lets say you have an Android phone like a Samsung Galaxy phone and a Switch? Or maybe you have a tablet and a phone. This would make a great combo for even those sorts. Pick this up and enjoy!Read more

    Helpful(0) Unhelpful(0)You have already voted this
  4. D. Lindberg

    I bought the pair, one for Nintendo Switch and the other for the Kindle Fire HD8. Kindle Fire started messaging that it could not read the card. I had it attempt to erase and format but is said it was corrupt or damaged. I put it into my windows 10 desktop in the unlocked state and Windows can’t format it either. Warranty case has been opened with Gladstone.Read more

    Helpful(0) Unhelpful(0)You have already voted this
  5. Dr. Johnny Fever

    if you like file that get destroyed becuse they bitsgot crupterd these are your JAM becuase they both suck and both fail over and over and over reformat works for a while then junked again both units have same issueRead more

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  6. Vinicius

    I purchased this item to use in my cell phone for music and photo storage. I’m using it for a month or so. It would be better to write a review after a longer time of use. Anyway, I’m satisfied with it so far. I have added most of the songs I like and still have plenty of space. One thing that called my attention is that the storage is a little bit lower than indicated (125 GB instead of 132 GB), but it seems that all memory devices are like this. I don’t have any negative points to this brand and to this item, so I recommend it as a good memory card and worthful purchase.Read more

    Helpful(0) Unhelpful(0)You have already voted this
  7. Kindle Customer

    Ordered two 128GB MICRO SD cards, one for my tablet and one for my phone. No problems after months of use and I have been able to record 3 different concerts with no problem.Read more

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  8. Shelley

    The Gigastone micro SD card created more storage space and works perfectly in my Android phone. Fantastic price and quality product for adding portable storage.Read more

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  9. Kevin Cheetham

    Excellent just what we needed for our switchRead more

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  10. Bill G

    Does exactly what it says on the tin. Delivered early. Tested on H2test app. Capacity 116 GB correct for 128GB card. BillRead more

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  11. SIGMA

    These are not 128gb as they were 116gbRead more

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  12. Mr s

    Does what it says on the tinRead more

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  13. A. Crichton

    No issues. Fast deliveryRead more

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  14. Gigaloaf

    Last time I was shopping for micro SD cards for a tablet and phone, I viewed these with skepticism. The Gigastone brand was not familiar to me, and given that cheap micro SDs with misrepresented storage capacity are rampant, the price seemed a little too good to be true. Well, I decided to give them a shot, figuring I could return them if they were bogus, and I’m glad I did! Capacity is just as claimed and they’ve been perfectly reliable. Next time I need some micro SD storage I’ll definitely keep Gigastone in mind.Read more

    Helpful(0) Unhelpful(0)You have already voted this
  15. Ted Whitten

    I am pleased with these cards. There is a lot of junk / fake memory cards on eBay and Amazon these days, that are outright scams. These are not that. These are good cards. They are what they claim to be. The memory size is as labeled, and they work. Everything copies in full, and intact. Buy with confidence. This is a good brand. I had never heard of Gigastone before, but these are good memory cards.Read more

    Helpful(0) Unhelpful(0)You have already voted this
  16. Chris Weber

    So I purchased these for two Switch Lites that my daughter and I both own. We needed more storage, and these seemed to fit the bill. They are pretty fast, so knew that they would work well. Sure enough they do! No lag in games, fast load in times, and getting a pair of them at a great price is always a bonus. If you’re looking to just pick one up then move on from this, but lets say you have an Android phone like a Samsung Galaxy phone and a Switch? Or maybe you have a tablet and a phone. This would make a great combo for even those sorts. Pick this up and enjoy!Read more

    Helpful(0) Unhelpful(0)You have already voted this
  17. D. Lindberg

    I bought the pair, one for Nintendo Switch and the other for the Kindle Fire HD8. Kindle Fire started messaging that it could not read the card. I had it attempt to erase and format but is said it was corrupt or damaged. I put it into my windows 10 desktop in the unlocked state and Windows can’t format it either. Warranty case has been opened with Gladstone.Read more

    Helpful(0) Unhelpful(0)You have already voted this
  18. Dr. Johnny Fever

    if you like file that get destroyed becuse they bitsgot crupterd these are your JAM becuase they both suck and both fail over and over and over reformat works for a while then junked again both units have same issueRead more

    Helpful(0) Unhelpful(0)You have already voted this
  19. Vinicius

    I purchased this item to use in my cell phone for music and photo storage. I’m using it for a month or so. It would be better to write a review after a longer time of use. Anyway, I’m satisfied with it so far. I have added most of the songs I like and still have plenty of space. One thing that called my attention is that the storage is a little bit lower than indicated (125 GB instead of 132 GB), but it seems that all memory devices are like this. I don’t have any negative points to this brand and to this item, so I recommend it as a good memory card and worthful purchase.Read more

    Helpful(0) Unhelpful(0)You have already voted this
  20. Kindle Customer

    Ordered two 128GB MICRO SD cards, one for my tablet and one for my phone. No problems after months of use and I have been able to record 3 different concerts with no problem.Read more

    Helpful(0) Unhelpful(0)You have already voted this
  21. Shelley

    The Gigastone micro SD card created more storage space and works perfectly in my Android phone. Fantastic price and quality product for adding portable storage.Read more

    Helpful(0) Unhelpful(0)You have already voted this
  22. Kevin Cheetham

    Excellent just what we needed for our switchRead more

    Helpful(0) Unhelpful(0)You have already voted this
  23. Bill G

    Does exactly what it says on the tin. Delivered early. Tested on H2test app. Capacity 116 GB correct for 128GB card. BillRead more

    Helpful(0) Unhelpful(0)You have already voted this
  24. SIGMA

    These are not 128gb as they were 116gbRead more

    Helpful(0) Unhelpful(0)You have already voted this
  25. Mr s

    Does what it says on the tinRead more

    Helpful(0) Unhelpful(0)You have already voted this
  26. A. Crichton

    No issues. Fast deliveryRead more

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  27. CDiddy

    I have used a few Gigastone SD cards over the years and never had a problem. This 256 GB card was different though. I took about 20 GB of photos at a wedding, attempted to download to my PC, and the card froze. DEAD CARD. The dreaded “this card is read-only” message. I work in IT, and my staff and I tried to resurrect the card, but nothing. We haven’t even been able to retrieve the data. Card is completely defective, and here’s the sad part: Gigastone Customer Service is doing absolutely nothing to rectify this. Or even just replace the card. After weeks and weeks of trying to contact them, I was finally successful! But they just keep asking BS questions about system info that I’ve already sent them. And I said I’d be willing to just have the card replaced – I can accept the data loss Unhappily. But Gigastone won’t even respond. And we all know what useless crap Amazon’s customer service is. So DO NOT buy this card. Bad qual y’all! Stick with SanDisk, Corsair, Toshiba, etc… I’ll never buy a Gigastone Card again, and have directed my stuff to drop them from our supplier list and am letting clients know about this. Petty as it is. Sheesh! You’d think they could at least make an effort. one love, CDiddyRead more

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  28. GeorgeFromRo

    Cannot speak about durability yet, but this will go in my dashcam and if any issues I will update here. I performed basic tests to ensure 64GB capacity and full write/read tests followed by speed test. So far so good, it lives up to its specifications: up to 95Mb/s read speed and pretty good write speed (up to 45MB/s). This is my 2nd Gigastone product and I would say they have a great price/performance ratio. If they also live up to their promise regarding Warranty, I’m pretty sure they may become an important player on this market niche. *** UPDATE after 28 months: this card it is still in my dashcam and continues recording, never had an issue, I’m starting to believe it will outlive my dashcam…Read more

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  29. Andrew Lothian

    I got this SD card a few weeks ago. I have loaded it fully and emptied it several times its fast reliable and just works. I think this is one of the best deals on Amazon…Shhhhhh if people find out its such a good deal they might sell out. I bought (3) more.Read more

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  30. Lil mattron

    i use this chip for my new go pro hero5 and it works for the most part when i film video 2.7k 60 FPS but it glitches every few minutes and i took screenshots to show you. maybe its a defective chip or maybe all of the chips do this. im not sure but i will probably return it and try another one. if the problem continues ill return the second one and try another brand. sandisk to me is the best but its so much more money i wanted to try this one… here is the photo you can see the purple lines across the entire video.. bummerRead more

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  31. Bob F.

    These may work great for light use like tablets, games, phones, photos or occasional use for videos but won’t last for heavy use. We got 10 of these for our dashcams, after a few months some started having broken video files. Upon testing the cards again 3 of the cards only had write speeds of 3-4MB/second, the other 7 still 60MB/s. Reformatting the cards didn’t help, seems they went bad. I’m guessing the remaining cards will keep failing in the next few months as well. Contacted Gigastone, they wrote back and said the cards needed to be formatted again. I told them we already tried that and asked if they would replace the cards, they never responded again.Read more

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  32. WxMan

    Good card, formatted to full capacity, quick shipping, does exactly what I need it to do. Using it for storage in a tablet, can’t speak to read/write speeds, but this card appears to be exactly what it’s advertised to be.Read more

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  33. Jcall55

    Great product great price. Originally ordered for a dash cam that became out of stock so I used it instead In my daughters Samsung tablet. No more asking her to delete items to download more of her games.Read more

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  34. Gigaloaf

    Last time I was shopping for micro SD cards for a tablet and phone, I viewed these with skepticism. The Gigastone brand was not familiar to me, and given that cheap micro SDs with misrepresented storage capacity are rampant, the price seemed a little too good to be true. Well, I decided to give them a shot, figuring I could return them if they were bogus, and I’m glad I did! Capacity is just as claimed and they’ve been perfectly reliable. Next time I need some micro SD storage I’ll definitely keep Gigastone in mind.Read more

    Helpful(0) Unhelpful(0)You have already voted this
  35. Pirate John

    Seemed great until it started showing an error that it was locked. Tried all the different online approaches to digitally “unlocking”. All of them failed. Contacted Gigastone America through the amazon page, and after confirming it is defective they refused to help because it was sold by amazon.ca Amazon.ca refused to help as it was past the 30 day return policy. Contacted Gigastone America through their webpage and after 2 weeks they have not responded. So roll the dice but don’t rely on the garbage warranty, and certainly don’t expect Amazon Canada to care.Read more

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  36. Kevin Cheetham

    Excellent just what we needed for our switchRead more

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  37. Djilly L.

    Thought it a nice idea to treat our son on a new Nintendo Switch game (Mario Smash Brothers). Also because with the summer break upcoming we will need some distraction while travelling. Despite the steep price I bought the digital version of the game without much hesitation in the Switch online store as I can’t stand these tiny game Nintendo Game cards, that get easily lost while traveling. Then I found out that after several previous Switch game purchases the device’s memory was insufficient for this apparently large game.. I only care about my Playstation (and wife and children in the 2nd, and 3rd place) and frankly can’t stand Nintendo. So this was yet another source of frustration. But soon I learned that there was a small Micro SD card slot in the Switch’s back underneath its flimsy stand. Never noticed that before. Apparently not all Micro SD cards are compatible, so it didn’t take the few dated spare cards I had lying around. In the end I ordered this 256 GB card, that was specifically advertised for the Switch and that should leave my young gamer with sufficient room for future purchases, I doubt we will buy so many more Switch games that it will ever get filled. Upon arrival, it was all pretty straight forward. Turn off your Switch, insert the card. The system then needs about a minute to realign and reset. And you are ready to play – that is, it still took over an hour to down load the full Mario Smash Brothers game from the store. In short, not cheap but works very well.Read more

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  38. Johan

    These aren’t the best performing cards on the market, and they don’t have professional-grade persistence characteristics either. But inserted into me A6600 camera, they’re accepted for the U3 cards they are and allow 4K recording at 100Mbits per second. So as I’m not a professional, these provide all the functionality I need and at a really good price compared to other cards. I’ve been using them a while now and both the micro-SD cards and adapters seem well made and consistently reliable. I’ll most likely consider this brand again, particularly if there is a worthwhile price difference to other more well known brand named items when I come to buy again.Read more

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  39. Bill G

    Does exactly what it says on the tin. Delivered early. Tested on H2test app. Capacity 116 GB correct for 128GB card. BillRead more

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    Gigastone 128GB 2-Pack Micro SD Card, Professional A2 V30 Ultra HD, High Speed 4K UHD Gaming, Micro SDXC UHS-I U3 C10 Class 10 Memory Card with Adapter, 5-Year Warranty
    Gigastone 128GB 2-Pack Micro SD Card, Professional A2 V30 Ultra HD, High Speed 4K UHD Gaming, Micro SDXC UHS-I U3 C10 Class 10 Memory Card with Adapter, 5-Year Warranty

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