SanDisk Ultra Fit CZ43 64GB USB 3.0 Low-Profile Flash Drive Up To 150MB/s Read- SDCZ43-064G-G46 [Older Version]

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Details

Brand
SanDisk
Hardware Interface
USB 3.0
Memory Storage Capacity
64 GB
Read Speed
130 Megabytes Per Second

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Rating 4.1 out of 5 stars
14053 reviews
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Price Unavailable $10.99 $22.99 $8.99
Shipping FREE Shipping on eligible first order. FREE Shipping on eligible first order. FREE Shipping on eligible first order.
Sold By Amazon.com Amazon.com Amazon.com
Digital Storage Capacity 64 GB 64 GB 128.0 GB 16 GB
Hardware Interface USB 3.0 USB 3.0 USB 3.0 USB
Item Dimensions 0.75 x 0.63 x 0.35 inches 1.17 x 0.56 x 0.20 inches 0.90 x 0.70 x 0.30 inches 0.69 x 0.50 x 0.03 inches
Item Weight 0.32 ounces 0.05 ounces 0.11 ounces 0.06 ounces
Memory Storage Capacity 64 GB 64 GB 128 GB 64 GB

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From the manufacturer

SanDisk Ultra Fit USB 3.0 Flash Drive

Transfer, Store, and Share Files Ten Times Faster with USB 3.0

With read speeds of up to 130 MB/s and write speeds up to ten times faster than standard USB 2.0 drives(1), the SanDisk Ultra Fit USB 3.0 Flash Drive lets you quickly move, store, and share your favorite media. Use it to add up to 64GB (2) of storage to your device or quickly move files between your laptop, tablet, game console, TV, car audio system, or other USB-enabled device. You can even transfer a full-length movie in less than 40 seconds (3). And because the drive is backward compatible, it works in any USB 2.0 port.

Compact, Stay-Put Design with Generous Storage

This small, low-profile flash drive fits snugly in your device's USB port and is designed to stay put, so you don't have to worry about it falling out or breaking. And with 64GB of storage space, you'll have plenty of room for all your photos, videos, music, and games.

  • Write speeds up to ten times faster than standard USB 2.0 drives (1)
  • Compact, low-profile drive stays put in port
  • Includes 64GB (2) of storage space for large files
  • Keep files private with included SanDisk SecureAccess software (4)
  • Includes one-year subscription to RescuePRO Deluxe file recovery software (5)
What's in the Box

SanDisk Ultra Fit USB 3.0 Flash Drive, 64GB.

Password Protect Your Private Files

With SanDisk SecureAccess software, you can secure your private files in a password-protected folder while keeping other files available to share (4). With 128-bit encryption, the drive keeps your sensitive files private, even when you share it with friends.

Recover Lost or Deleted Photos with RescuePRO Deluxe

The card comes with a one-year subscription to RescuePRO Deluxe recovery software (5). With RescuePRO Deluxe software, it's easy to recover deleted or lost photos or videos and save them to your computer's hard drive--even if the files were deleted months ago.

Legal Disclaimers

(1) Write to drive up to 10 times faster than standard USB 2.0 drives (4MB/s); up to 130MB/s read speed. USB 3.0 port required. Based on internal testing; performance may be lower depending on host device. 1MB=1,000,000 bytes.

(2) 1 GB=1,000,000,000 bytes. Actual user storage less.

(3) Based on 1.2GB MPEG-4 video transfer with USB 3.0 host device. Results may vary based on host device, file attributes and other factors.

(4) Password protection uses 128-bit AES encryption and is supported by Windows Vista, Windows 7, Windows 8, and Mac OS X v10.5+ (Software download required for Mac).

(5) Registration required; terms and conditions apply.

Western Digital Technologies, Inc. is the seller of record and licensee in the Americas of SanDisk Products.

Photos (10 Megapixel) 3600 photos 1800 photos 900 photos
+ + + +
Video (1080 AVCHD) 160 minutes 80 minutes 40 minutes
+ + + +
Music (MP3 Songs) 4000 songs 2000 songs 1000 songs
+ + + +
Office Files (GB) 16 GB 8 GB 4 GB

Description

This ultra-low-profile, high-performance drive fits snugly into your host devices and safely stays there-nothing to stick out or break off. Leave it in place as a stays-put storage boost of up to 64GB. When it's time to move your content it happens fast, up to ten times faster than a standard USB 2.0 drive1. You can transfer a full-length movie in less than 40 seconds2. Play your music collection from your car audio system for that long road trip, or carry your family vacation photos with you. Not only does SanDisk Ultra Fit fit your on-the-go, multi-device lifestyle, it makes it safe to carry and share your content. The included SanDisk Secure Access software3 provides 128-bit file encryption and password protection for your private files while leaving the rest of the drive available for sharing.

Features & details

Features

  • High performance USB 3.0 speeds - up to 150MB/s read
  • Pre-loaded with SanDisk SecureAccess and 1-year of RescuePro file recovery software
  • Warranty: 5-years
  • USB3.0 interface, also backwards compatible with USB2.0 systems
  • Ideal for notebooks, game consoles, TVs, in-car audio systems

Product information 64GB

Other Technical Details

    Additional Information

  • ASIN: B00LLEODCK
  • Customer Reviews: 4.1 out of 5 stars 14,053Reviews
  • Best Sellers Rank:
    #1,891 in USB Flash Drives
  • Date First Available: August 10, 2014
Warranty [PDF ]

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Top reviews

1.0 out of 5 starsVerified Purchase
Reviewed in the United States on September 10, 2015
Capacity: 128GB
Serious overheating issues - shutdown / disconnects
Unfortunately, the bad reviews are true. This thing really does get blazing hot during use. Copying 5GB of files to the 128GB drive resulted in a surface temperature of 67C, which is way too hot to touch / hold. The ambient temperature at the time was 23C. This high... See more
Unfortunately, the bad reviews are true. This thing really does get blazing hot during use. Copying 5GB of files to the 128GB drive resulted in a surface temperature of 67C, which is way too hot to touch / hold. The ambient temperature at the time was 23C. This high temperature wouldn't be so bad, except that the drive also shuts down / disconnects when it gets that hot. That means that copying any large file will result in file corruption / deletion. This makes this somewhat large storage device completely useless except when used to store a handful of small and only occasionally used files.
228 people found this helpful
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1.0 out of 5 starsVerified Purchase
Reviewed in the United States on July 7, 2015
Capacity: 64GB
Permanently Damaged my USB Port
I purchased this knowing that it would be compact for an application that I have. Unfortunately, it permanently damaged my USB port on my monitor. The device is so small that it gets very hot when writing data into with no where to dissipate the heat. It transfers the... See more
I purchased this knowing that it would be compact for an application that I have. Unfortunately, it permanently damaged my USB port on my monitor. The device is so small that it gets very hot when writing data into with no where to dissipate the heat. It transfers the heat into your USB port which may be made of plastic. I pulled it out and it took the plastic tongue with it. I am now afraid to use it with my laptop and almost any other device for fear that it will damage those ports. Looking back, I wish I had gone with a much larger device that has some capability of dissipating heat. Its size makes it difficult to remove and insert. I am probably going to return it now. If you plan on keeping yours, you should get a USB hub or a USB extension cable to make it easier to plug in and out. I can't recommend leaving it in your USB port given how much heat can be generated.
93 people found this helpful
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5.0 out of 5 starsVerified Purchase
Reviewed in the United States on March 28, 2015
Capacity: 64GB
More Solidly Built than the 2.0
Works like a charm! Fits more snugly into my USB ports than the 2.0. The black part of this thumb is also a little big bigger than the 2.0, but this is probably due to the hole where you can loop a cord through it. The 2.0 had a tiny metal hole that was not only difficult... See more
Works like a charm! Fits more snugly into my USB ports than the 2.0. The black part of this thumb is also a little big bigger than the 2.0, but this is probably due to the hole where you can loop a cord through it. The 2.0 had a tiny metal hole that was not only difficult to loop anything through, but one of mine also broke off after nearly a year. The design on the 3.0 does not incorporate a separate metal piece, but is part of the black plastic mold as a whole. I feel as though this will be a more solid design that is less likely to break down the road.
317 people found this helpful
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1.0 out of 5 starsVerified Purchase
Reviewed in the United States on September 15, 2015
Capacity: 128GB
Cannot transfer large files via usb 3.0
The heat issue is real with this drive. If I try to transfer any large files 3-4+gb the drive will overheat, disconnect itself from the computer momentarily, and come back on. Small files work fine but honestly I'm not buying a 128gb drive to put small files on it. Attached... See more
The heat issue is real with this drive. If I try to transfer any large files 3-4+gb the drive will overheat, disconnect itself from the computer momentarily, and come back on. Small files work fine but honestly I'm not buying a 128gb drive to put small files on it. Attached is a photo of the drive right with a thermocouple showing how hot it actually gets (154F) right before it shuts itself off and keep in mind this is just the outer case of the drive no idea how hot the inside actually is. I love sandisk products and use nothing but their memory cards and thumb drives but this one is no good.
49 people found this helpful
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3.0 out of 5 starsVerified Purchase
Reviewed in the United States on August 24, 2015
Capacity: 16GB
Not the SanDisk quality I have come to expect but still better than the competition
Reviews say that this little bugger runs hot - yes it does. Some state it is slow - yes it is - after it gets hot. Other reviews say it will not work on a car stereo - no issues with that at all but I replicated the issue. Precursor - I use SanDisk USB keys... See more
Reviews say that this little bugger runs hot - yes it does. Some state it is slow - yes it is - after it gets hot. Other reviews say it will not work on a car stereo - no issues with that at all but I replicated the issue.

Precursor - I use SanDisk USB keys exclusively for work and car audio. I also use their SDHC Ultra cards exclusively for my digital photography. They are (IMHO) the best on the market. That being said - my review of this item.

First - when it is in-use - I mean really in use - like a large or numerous files - it gets HOT - Way hotter than the 35 degrees celsius (95 degrees F) that the SanDisk people refer to in the reviews...hot enough that you cannot touch it for a few seconds (again where the SanDisk people say to let it sit for 15-20 seconds before touching - Why???). After a large file transfer, it cools quickly. When using it in an auto receiver - it does not heat up as the data is randomly being accessed in short bursts. That being said - it does get hot. The older USB-2 versions (Cruzer Fit CZ33) does not get hot. Guess the data moves so fast that it scorches the copper pathways.

That brings me to the second point. USB-3 quickness. It is USB-3 quick on the transfer start but it slows down relative to the heating of the USB key. The hotter the USB key, the slower the transfer. When transferring 12gb data, it got very hot - stopped transferring for a minute (the USB key cooled down) started up quickly and then slowed down again to a crawl and finally - stopping again for the key to cool. I was able to do this on a laptop, desktop and MacBook - same results with all three so it is not a computer issue. So - is it USB-3 quick? Yes - until it overheats and stops to cool.

Third - Car stereo. Works like a champ! No issues at all. I have about 80 CDs on the key, roughly 12 songs per CD. It plays properly, is small enough that it does not stick out (The older Cruzer Fit CZ33 fits even closer to the faceplate of the car's receiver) and does NOT get hot. Minimal data transfers fed to the buffer of the receiver means that the key is not being pings as heavily and does not overheat. I have no issues at all with playing back MP3s on my receiver. But - I replicated the 'not playing' issue. My receiver only supports 128 folders (albums) of data. For giggles, I put 140 folder on the key and fired up the receiver. It failed to read the key. I pulled 12 folders off - leaving 128 and it worked fine. I added one (making 129 folders) and it worked sporadically. Not saying this is the cause for all - just something I noticed.

So - Three stars...
Pros:
Quick on short bursts
Slim fit
Plenty of storage
Works great with car stereos.

Cons:
Overheats on large transfers
Slows down when overheating

SanDisk support - No need to tell me to "open a case" - it is obvious that this USB key has flaws (just look at how many people report the same issue). Redesign or get a firmware fix. Not the usual SanDisk quality I have come to expect.
269 people found this helpful
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2.0 out of 5 starsVerified Purchase
Reviewed in the United States on May 23, 2015
Capacity: 16GB
Serious heat issue
The speed of this product is fast, but be aware that it generates a lot of heat and hot to touch after a few minutes of use. Because the thumbdrive gets unusually hot, I measured current with USB current meter. I connected usb current meter to USB 2.0 port, and... See more
The speed of this product is fast, but be aware that it generates a lot of heat and hot to touch after a few minutes of use.

Because the thumbdrive gets unusually hot, I measured current with USB current meter. I connected usb current meter to USB 2.0 port, and connected SanDisk Ultra Fit 16GB on the other side.

When the thumbdrive is in idle, 0.06A is constantly measured.

When the thumbdrive is in active, measure current fluctuates between 0.16A and 0.10A, so the average current looks to be 0.13A.

The power consumption rate of the thumbdrive is P = VI = 5.04V x 0.13mA = 655 mW. Because the power mostly dissipates as heat, the power consumption rate can be regarded as heat generation rate. If you are an electrical engineer, you can find that 655 mW is quite a high power for the small devices as thumbdrive. Note that the power limit of a normal resistor used in breadboard is 1/4 Watt. The power consumption of the thumbdrive is twice to the allowed power consumption of a normal resistor.

Furthermore, my computer is equipped only with USB 2.0 and the above current measurement is implemented in USB 2.0. In USB 3.0, much more current will flow through the thumbdrive, generating even more heat and increases temperature further.

High temperature in thumbdrive means shorter lifetime. Thus, I recommend this product for occasional use, but not for continuous or extensive use.
1,247 people found this helpful
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4.0 out of 5 starsVerified Purchase
Reviewed in the United States on January 26, 2016
Capacity: 16GB
Small 3.0 flash driver, but always overheats
I have used this flash driver for a while and my only complaint is that it overheats really quickly. I like the facts that it is USB 3.0 capable, and its small dimensions (about the same size of a penny). It comes with a cap so you can protect it from getting damaged while... See more
I have used this flash driver for a while and my only complaint is that it overheats really quickly. I like the facts that it is USB 3.0 capable, and its small dimensions (about the same size of a penny). It comes with a cap so you can protect it from getting damaged while carrying it (but I lost it). Also, it has a hole in the back so you can attach it to your keychain or to a lanyard, and it has a red LED which indicates when it is in use.
I attached some photos to show you guys how hot it gets after being connected to my laptop for 3 minutes (117.3 F or 47.5 C).
Given that it overheats in such a small amount of time, I recommend not to leave it connected to any USB port for more than 30 minutes, otherwise I think your data might be at risk.
26 people found this helpful
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5.0 out of 5 starsVerified Purchase
Reviewed in the United States on October 25, 2014
Capacity: 64GB
Small and fast - worth buying.
Had the previous version of this model, the Cruzer Fit. Loved the size of that one but was not thrilled with read and write speeds. This version is MUCH better and is worth buying for sure. Did a speed test (see attached pictures) for both drives and this version... See more
Had the previous version of this model, the Cruzer Fit.
Loved the size of that one but was not thrilled with read and write speeds.
This version is MUCH better and is worth buying for sure. Did a speed test (see attached pictures) for both drives and this version is more than 10 times faster.
Cruzer had 3MBps read speed and about 14MBps write speed. This is painfully slow to be honest.
This newer version has 45/146MBps which is comparable with a normal hard drive.

I keep drive always plugged into my MacBook pro and use it as a backup disk for important information.
25 people found this helpful
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Top international reviews

Asdf
1.0 out of 5 starsVerified Purchase
Reviewed in the United Kingdom on August 24, 2016
Hot, hot, hot!
It can malfunction (just search Sandisk ultra fit too hot) which is a pain to deal with and may result in at least partial if not complete loss of all files. I'm not a hardware expert at all (uneducated guesswork incoming) but it seems like the computer is trying to ask the...See more
It can malfunction (just search Sandisk ultra fit too hot) which is a pain to deal with and may result in at least partial if not complete loss of all files. I'm not a hardware expert at all (uneducated guesswork incoming) but it seems like the computer is trying to ask the USB flash drive something, as if the PC has sent a little inspector to USB town to find out where everyone lives: this little guy goes up and down the streets of USB town knocking on doors and taking notes so the PC knows the locations of all the streets and houses in USB town. He visits all the houses in USB town in the blink of an eye and everything goes well until he comes to a house where the lights are on but no one is home. So he knocks. No answer. He knocks again. Still no answer. He keeps knocking and knocking trying to find out who lives here which causes a lot of electricity to be pointlessly sent to the USB device causing it to heat up to skin burning temperatures very fast (which is very bad if it's plugged directly into a USB slot, not so bad if its on a USB extension cable as that's easier to replace). As the heat engulfs USB town like a sudden super volcano just erupted from the house the inspector was stuck at and the nearby houses seem to malfunction to causing the problem to spread. Attempts to use File Explorer and file transfers will fail as USB town becomes unresponsive. A quick format followed by a more thorough format seems to return things to normal working order and I managed to slap my 40GB of music back onto it without further issues but as the device is a ticking time bomb I'm hesitant to leave it plugged into anything unsupervised. Even at the end of a USB extension cable to prevent heat damage to USB sockets the continous power draw may be damaging to devices like my TV and Xbox.
16 people found this helpful
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Amazon Customer
1.0 out of 5 starsVerified Purchase
Reviewed in the United Kingdom on May 15, 2016
Too hot
The USB drive looks ace in size/practical but unfortunately gets incredibly hot in my MacBook. If I would have realised how hot it can become (see other reviews) I would probably not have bought this one, but a larger one. As I have really good experiences with SanDisc...See more
The USB drive looks ace in size/practical but unfortunately gets incredibly hot in my MacBook. If I would have realised how hot it can become (see other reviews) I would probably not have bought this one, but a larger one. As I have really good experiences with SanDisc products, I hope they can help finding a way to exchange it for another model. This heat will sooner or later damage my MacBook, and I am not testing how long it is going to take!
19 people found this helpful
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Andromeda's Twin
1.0 out of 5 starsVerified Purchase
Reviewed in the United Kingdom on October 5, 2016
Excessive heat and interference with wireless mouse transmitter
I do not recommend this product at all, I purchased two of these and both suffered from overheating, one of them over heated when it was not even in use, as long as it was plugged into the USB slot, it interfered with my mouse and ran hot, when pulled out it was too hot to...See more
I do not recommend this product at all, I purchased two of these and both suffered from overheating, one of them over heated when it was not even in use, as long as it was plugged into the USB slot, it interfered with my mouse and ran hot, when pulled out it was too hot to touch, the other was not quite so bad, but became too hot to handle after actually transferring data onto it (it also caused my wireless mouse to behave erratically) , neither situation is tolerable and I believe the overheating is a hazard to PC health and a possible fire hazard. Both of these were purchased via Amazon directly, not via a third party. So I believe that they were legitimate SanDisk USB Drives despite their unusual behaviour, I always buy SanDisk because of their reliability, now I am dubious. I shall do some research into these higher capacity drives before re purchasing
8 people found this helpful
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Tom L.
1.0 out of 5 starsVerified Purchase
Reviewed in the United Kingdom on August 15, 2017
AVOID!
Worst USB Drive ever. Do not buy this. It will overheat, it will stop working until it cools down. So whilst you might be mid-transferring a file, it will corrupt the transfer and totally break down until it cools down. AVOID. I bought two of these and both of them do the...See more
Worst USB Drive ever. Do not buy this. It will overheat, it will stop working until it cools down. So whilst you might be mid-transferring a file, it will corrupt the transfer and totally break down until it cools down. AVOID. I bought two of these and both of them do the same thing. NEVER AGAIN.
7 people found this helpful
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Ali Lumsden
1.0 out of 5 starsVerified Purchase
Reviewed in the United Kingdom on August 3, 2016
Overheats! Avoid!
I bought 4x of this product (64gb version) over Christmas 2015. All four of the items overheated to unacceptable levels. They got so hot that it was painful to touch them and they disconnect from the laptop/computer, presumably as a failsafe. I tested across different...See more
I bought 4x of this product (64gb version) over Christmas 2015. All four of the items overheated to unacceptable levels. They got so hot that it was painful to touch them and they disconnect from the laptop/computer, presumably as a failsafe. I tested across different devices but overheats on all devices very, very quickly; I was getting disconnects in under 10 minutes, especially when I was reading/writing to the USB. I would avoid this model altogether. Sandisk didn't react satisfactorily and were a pain to deal with - they wanted me to send the items for testing, fill in reports, etc. Read the other reviews carefully and search on forums -- these devices are known to overheat.
8 people found this helpful