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The SanDisk Ultra USB 3.0 512GB Flash Drive delivers lightning-fast 130 MB/s read speeds, robust password protection with SanDisk SecureAccess, and backward compatibility with USB 2.0 devices. Its large 512GB capacity and included RescuePRO data recovery software make it the ultimate portable storage solution for professionals on the go.




| Read speed | 130 Megabytes Per Second |
| Connectivity technology | USB |
| Colour | Black |
| Model name | SDCZ48-512G-G46 |
| Product dimensions | 16D x 10W x 1H centimetres |
| Flash memory type | CompactFlash |
| Manufacturer | SanDisk |
| Hardware Connectivity Technology | USB Type A |
| UPC | 619659179397 |
| Global Trade Identification Number | 00619659179397 |
| Item model number | SDCZ48-512G-G46 |
| Hard Drive Size | 512 GB |
| Hardware Platform | PC, Mac |
| Are Batteries Included | No |
| Lithium Battery Weight | 2.5 Grams |
| Item Weight | 20 g |
| Guaranteed software updates until | unknown |
J**I
Fast, Reliable, and Highly Durable – Excellent USB Drive
I recently purchased the SanDisk Ultra USB 3.0 256GB Flash Drive, and it has exceeded my expectations. With a huge 256GB capacity, it’s perfect for storing large files, videos, documents, and backups. The USB 3.0 interface delivers fast transfer speeds up to 130MB/s, which makes moving files quick and hassle-free. The build quality is solid and durable. The drive feels sturdy and compact, making it easy to carry around without worrying about damage. I also appreciate the added security features—password protection helps keep my data safe, and the RescuePro Recovery Software is a lifesaver in case files are accidentally deleted. It’s plug-and-play, so setup is straightforward, and it works seamlessly on Windows, Mac, and other devices. I’ve been using it daily for both work and personal files, and it hasn’t failed me once. Overall, the SanDisk Ultra USB 3.0 256GB is a reliable, fast, and durable storage solution. It’s perfect for professionals, students, or anyone needing a high-capacity, high-speed flash drive. I highly recommend it for anyone looking for a trustworthy USB memory stick that delivers both performance and security.
G**T
Great item .
Great item to store information or photos on & when I bought it , it was a great price .
M**D
Good, functional flash drive
Good, functional flash drive. Slide mechanism works well. Does the job it’s designed to do. Only reason I didn’t give it 5 stars is due to the fact that it’s advertised as having a 64GB storage capacity but due to some SanDisk data that comes pre-loaded on the drive, storage space availability is actually less.
A**R
Scandinavian flash drive
Arrived on time well packaged new and sealed. Does the job, connects stright away easy to format. Slide mechanism is interesting cant wait for them to come in mini size.
C**L
Brilliant USB Flash Drive! Good Value.
Can’t really go wrong with this, it does what it’s supposed to do.
M**N
Good usb stick. Sturdy.
Good usb stick. Worked wonderfully until I put it through a 40 degree wash. It worked for a few more hours then died!
P**Y
easy to use just plug in device, good size, portable, don't feel heat
This is my favorite product for its size, speed, and recording movies and videos, and it's fabulous for sound, as I upload a lot of songs. The key that goes inside your device is protected when you carry it, as it is retractable. Very easy to use: plug it into your device, use it for hours and hours, and never feel the heat. I bought it many times.
Z**D
Thirteen SanDisk products to date from Amazon and all ultra reliable
According to my previous backordering information on Amazon I've bought thirteen SanDisk products in the past, including eight flash drives. Why? Because it's a brand I trust after proving ultra reliable with every item I own or have owned. I suppose I bought my first SanDisk product on a quality recommendation and have looked for the name ever since. I have bought alternative flash drive and SD card products of varying quality but always return to SanDisk. Whether they really are one of the top brands I couldn't say, but they seem to have a good name and certainly work for me. Most of the use for flash drives and SD cards is for storing my ever-expanding collection of sound samples for music making. With having limited storage on my computer I obviously have to look to external storage solutions. I find traditional external hard disks clumsy and need something I can quickly change over in any case depending upon what kind of music I'm creating so flash drives and SD cards are ideal as I keep varying collections on various drives. However, reliability is a must as some of my sound samples aren't backed up and just sit on the drives and cards themselves. Not many but sufficient so I can't have anything whereby I might lose them. Most of my newer products like the one reviewed here are USB 3.0, and for what I need them for they read and write quickly enough. There are some speed fluctuations but these seem to be related to what kind of files I'm moving or copying. Compared to earlier USB standards like USB 2.0 there's no comparison as these do the job considerably quicker (up to x10 the speed according to the advert). They're perfectly compatible with the earlier standards though; it's just that transferring files between the two takes longer. Like all similar devices of this speed and type there'll be variations between models and manufacturers, but as long as these ones reliably work and quickly copy files then that's all I'm bothered about. I certainly have no complaints this way. I've watched videos from them as well and they work fine without break or stuttering of content. I'm sure this is down to the operating system too but it's good to know that the drives are easily fast enough for this as well. They seem to be fairly robust too. I haven't dropped any onto hard surfaces but have dropped a few from chair height onto carpeting. Obviously, the outer shell has remained intact, and thankfully the data has too. I use SanDisk in the car for playing music files. The flash drive I normally use is an earlier version than the one I'm reviewing here but I'm presuming the outer casing is the same. It looks to be similar. Again, it's never been dropped onto a hard service, but on occasion when I want a change it gets put into a glove compartment with a variety of other bigger and heavier items and it seems to survive okay. Similarly, I have three of these drives in a drawer next to where I work, which also has a variety of heavier items in it, which often get moved around and end up on top of the drives, but again they survive without damage. Unless I plan to be particularly careless with them, I'm convinced these are good quality, robust products; products I'm happy to entrust important data to that will withstand reasonable handling and storage. The drives survive well in a variety of temperatures too -- everything from being outside in the car in freezing temperatures to being in the house on the hottest of British summers, and no matter what the temperature variation they're still as readable and writable as ever. I haven't used the supplied security software that comes with them and usually just delete it upon receipt, but I'm sure it will work well enough if I had a need for it (and would be a trusted solution if I had to move sensitive data around). There's nowhere to write on the drives as to what they are so I identify them by wrapping different coloured tape around them. I like the fact that drives like these are retractable but find this is rarely used once I have the tape around them. Without the tape I would use the feature. This drive is 256 GB, which is larger than I usually buy, but have bought one previously of the size so know it holds a good whack of data. Copying and moving files onto it is super easy as it works straight out of the packaging. For me it's just a case of drag and drop and that's it. In other words there's no formatting or preparation required (certainly not for a Windows-based computer, anyway). In terms of file numbers then I can't really guess, but it has to be a considerable number -- probably thousands. I refer to music files here but obviously smaller files will be even more. Size-wise these drives work well; they're small enough to be easily portable but not small enough to be easily lost. If one is put into a pocket then it can be easily found again without too much scrabbling. Personally, I like the black colour because if the drives have be left lying around anywhere then their dark colouring allows them to be much easier hidden away in dark corners or drawers and not so conspicuous, which may be important if they contain sensitive data. Pricewise, these are good from Amazon and I appreciate the speedy delivery so am happy to keep ordering for as long as I need the product. Note: Since writing this review I've since bought another one of these drives: same speed, same size, same design and same reliability -- SanDisk product number 14!
N**E
SCANDISK Jamais de souci de copie ou de transfert. Celle-ci est en plus très rapide.
M**X
Das SanDisk Ultra USB 3.0 Flash-Laufwerk mit 32 GB Speicherkapazität hat sich als zuverlässiger Begleiter für meine Daten erwiesen. Hier ist meine Bewertung: Dieses Flash-Laufwerk bietet nicht nur ausreichend Speicherplatz, sondern ist auch äußerst erschwinglich. Es ist eine großartige Option für diejenigen, die eine kostengünstige Möglichkeit suchen, Dateien zu speichern und zu übertragen. Die handliche Größe des Laufwerks macht es ideal für unterwegs. Es passt problemlos in die Tasche oder den Rucksack und ist daher perfekt für den Einsatz im Büro, in der Schule oder auf Reisen. Ein herausragendes Merkmal ist der einfahrbare USB-Stecker. Dieses Design schützt den Stecker vor Beschädigungen und sorgt dafür, dass er sicher und geschützt bleibt, wenn das Laufwerk nicht verwendet wird. Das gibt mir ein Gefühl der Sicherheit, dass meine Daten vor versehentlichen Schäden geschützt sind. Die USB 3.0-Technologie ermöglicht schnelle Datenübertragungsgeschwindigkeiten, was besonders praktisch ist, wenn ich größere Dateien wie Videos oder Fotos übertrage. Die Übertragungsgeschwindigkeiten sind deutlich schneller im Vergleich zu älteren USB-Versionen. Die Qualität und Zuverlässigkeit von SanDisk-Produkten haben mich nie enttäuscht, und das SanDisk Ultra USB 3.0 Flash-Laufwerk bildet da keine Ausnahme. Es hat eine solide Konstruktion und ist langlebig, so dass ich mir keine Sorgen um mögliche Ausfälle oder Datenverluste machen muss. Ein kleiner Nachteil ist möglicherweise die Kappe, die das USB-Ende schützt. Sie kann leicht verloren gehen, wenn man nicht aufpasst. Es wäre praktisch, wenn das Laufwerk eine integrierte Kappe hätte, um dieses Problem zu vermeiden. Insgesamt bin ich mit dem SanDisk Ultra USB 3.0 Flash-Laufwerk sehr zufrieden. Es bietet eine kostengünstige und zuverlässige Möglichkeit, Daten zu speichern und zu übertragen. Die handliche Größe und der einfahrbare USB-Stecker machen es besonders praktisch für den täglichen Gebrauch. Ich kann dieses Laufwerk jedem empfehlen, der eine einfache und effiziente Lösung für seine Speicherbedürfnisse sucht.
G**Y
Petite clé 1 TO cette grandeur est impeccable pour y mettre beaucoup de données.
G**U
J’ai été très agréablement surpris par cette clé USB. Elle est solide, bien finie et inspire vraiment confiance dès la première utilisation. Le transfert des fichiers est rapide, fluide, et surtout très stable : aucune déconnexion, aucun bug, tout fonctionne parfaitement. La capacité annoncée est entièrement disponible, et la clé ne chauffe presque pas, même lors de longs transferts.
J**L
Ich habe mir den SanDisk Ultra USB 3.0 Stick mit 128 GB gekauft und bin sehr zufrieden damit. Die Übertragungsgeschwindigkeit von bis zu 130 MB/s ist wirklich beeindruckend und macht das Kopieren von Dateien, Fotos oder Videos richtig schnell. Im Vergleich zu älteren USB 2.0 Sticks merkt man deutlich den Unterschied. Besonders gut gefällt mir, dass man mit der SanDisk Secure Access Software seine Daten mit einer 128 Bit AES Verschlüsselung schützen kann. So bleiben sensible Dateien sicher, was für mich ein großer Pluspunkt ist. Auch mit der Kompatibilität gab es keinerlei Probleme, der Stick funktioniert sowohl an meinem Laptop als auch an meinem Fernseher und Autoradio. Die Verarbeitung ist hochwertig, das Design schlicht und robust. Trotz der kompakten Größe liegt der Stick gut in der Hand und wird beim Gebrauch nicht zu heiß. Fazit: Ein schneller, zuverlässiger und sicherer USB Stick mit viel Speicherplatz und toller Leistung. Ideal für alle, die große Datenmengen bequem und sicher speichern oder übertragen möchten.
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