4GB USD300S microSD Card, 20MB/s, C10, 2D NAND Flash | microSDHC Memory Card for Smartphones, Tablets, Digital cameras

Worked as it should. Value for the cost.

It's a memory card. It works fine, I needed it for an older device I had and it worked fine. How much more can you say. Quality is good but I would not rely on it for a job (but at 4gb, what kind of job would you do on this?). It does what it should, what more can I say.

Does what it's supposed to

Worked as expected.

This 2GB MicroSD card is a gem if you're dealing with legacy tech. I bought it to revive an old digital camera and a couple of early-generation MP3 players that don’t support high-capacity (HC) or SDXC formats. It formatted quickly in FAT16, and file transfers were surprisingly snappy for its class.Usage Tip:Check if your device only supports standard SD (not SDHC or SDXC).Format the card to FAT or FAT16 if it’s unrecognized at first.Great for dash cams, old phones, or embedded systems that cap out at 2GB.This isn’t the card for modern smartphones or 4K video, but if you know why you need it, this little card delivers.

Spent way too much time trying to figure out the SD card thing for my old Roku 3. Hope this saves you some time and frustration:1) Do not buy a micro SDHC card, will not work. Must be a micro SD card2) Many reviews have said Sandisk cards will not work. Be warned.3) For a Roku 3, you do not need more than a 2GB card. Anything more is overkill.4) The SD card won't make your Roku faster, but it will store your channels so there are less refreshes, which can take time.5) I just installed this on my Roku 3 (everything powered up, take out HDMI cord, insert but not all the way the micro SD card with bottom facing up to HDMI slot, plug HDMI card back in, use a tiny precision screwdriver to push SD card into slot fully until a click is heard, then a dialog will appear on screen asking to format, click that). It will take only a minute or two, and you're all set. For me, from unboxing to watching my improved Roku 3, about 5 minutes.6) I hoped I have saved some of you many hours of frustration and Amazon returns.

Very nice for the price, Added to 2 dashcams. Speed should be good, temp range is good. We shall see how many cycles it will last but rated for 10,000 insertion/removal cycles. I'll report back if/when they croak.TLC NAND flash.In a 1gb SEQ Q32T1 test in crystaldiskmarkSustained Read =~96mb/sSustained Write =~23.3mb/s-----------------------------------------------------------------------CrystalDiskMark 5.5.0 x64 (C) 2007-2017 hiyohiyoCrystal Dew World : http://crystalmark.info/-----------------------------------------------------------------------* MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s]* KB = 1000 bytes, KiB = 1024 bytesSequential Read (Q= 32,T= 1) : 96.749 MB/sSequential Write (Q= 32,T= 1) : 23.303 MB/sRandom Read 4KiB (Q= 32,T= 1) : 11.125 MB/s [ 2716.1 IOPS]Random Write 4KiB (Q= 32,T= 1) : 1.591 MB/s [ 388.4 IOPS]Sequential Read (T= 1) : 96.050 MB/sSequential Write (T= 1) : 18.242 MB/sRandom Read 4KiB (Q= 1,T= 1) : 10.766 MB/s [ 2628.4 IOPS]Random Write 4KiB (Q= 1,T= 1) : 1.347 MB/s [ 328.9 IOPS]Test : 1024 MiB [F: 0.0% (0.0/29.8 GiB)] (x2) [Interval=5 sec]Date : 2018/07/05 23:26:15OS : Windows 10 Professional [10.0 Build 17134] (x64)

I needed a lower capacity micro SD card to use in my 3D printer which will not read larger capacity, name brand cards. I am not sure why they do not work and this card does. It is overpriced for the capacity since you can get 32 GB cards for almost the same price. However, it does work and that is the most important thing to me.

Excellent. Recommended.

Carte utilisé avec un ESP32, pas de problème de lecture et de compatibilité.Impeccable

Commande pour mon imprimante 3D. La carte dispose d'une taille relativement faible pour le prix, mais je suis content d'avoir trouvé une carte de 2 Go pour mon imprimante

Bien empaquetado y excelente producto

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