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Corsair 256GB Voyager GTX USB 3.0 Flash Drive, Speed Up to 450MB/s (CMFVYGTX3B-256GB)

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  • Powered by an SSD controller
  • Amazing and consistent performance
  • Premium design
  • USB 3.0 and USB 2.0 compatible
  • Universal operating system compatibility

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Learn more about the Corsair CMFVYGTX3B-256GB

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 5 years
  • Limited Warranty period (labor): 5 years
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by Newegg.com's Standard Return Policy.
Ownership: more than 1 year
Verified Owner
5/ 5

Pros: 2 years old and this drive is still going strong with consistently fast speeds.
It's a great little device I can always carry with me.

Cons: The finish was extremely quick to start getting scratched and appear visibly used.
This is just cosmetic though, so assuming you're like me and only care about raw performance it's not an issue.

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Ownership: more than 1 year
Verified Owner
5/ 5
The Absolute Best Overall USB Flash Drive

Pros: I have owned a couple hundred flash drives since 1999/2000 (yes, 1st generation drives from Asia called "ThumbDrive" and IBM/M-System's "DiskOnKey") by outright buying them or having some of them sent to me for review purposes. This flash drive, I feel, is the best USB flash drive that does not break the bank, require a cable, or compromise on random reads or writes (usually called 4K or 4KQ32). There are some external SSDs that are faster in terms of sequential reads or writes (think large sized files like movies or .zip/.rar/.7z compressed folders/files) but this drive is, mostly, on par with those external SSDs in terms of random reads and writes.

I have the 256GB version of this drive. I see that there are now 512GB and 1TB versions. I plan to purchase both the 512GB and 1TB versions for personal use (and for review, to see if Corsair updated or changed the controller or NAND memory). The controller in the version I have is a Phison PS3109-S9 using MLC NAND memory. It is a quad-channel (4 channel) controller. The drive will show up as a USB attached external SSD because of UASP (USB Attached SCSI Protocol). Garbage collection via TRIM is handled by the controller. The drive does have some form of memory correction: I have tested the drive with write caching on and when I yank the drive out without properly ejecting the drive (mind you, after the progress light has stopped after transfer of files), the drive was just fine (though, I highly do not recommend this if you have important files and no backup of those files). This drive is so fast that I do not need write caching on my machines for this drive.

I get about the same overall speeds as most online reviewers show (Anandtech, TweakTown, StorageReview). This is my go to drive when I need to transfer several thousand (over 30,000 for me) small files such as project files, coding projects, work or business related projects, pictures, installation files, or executable files.

Cons: There are only 2 negatives to say: the paint comes off rather easily and the cap's rubber (it is a friction mounted cap) is prone to getting scraped, cut, or getting debris stuck to it. I say this because I am sometimes a brute with flash drives. Otherwise, the cap's rubber insert is still fine and stays on as if it was still new.

Other Thoughts: Great drive if you really want true portability with as-close-to-as-possible performance of an external SSD. It won't beat a Samsung or LaCie external SSD but it will come close enough. It is my preferred drive to store small files such as theme files, pictures (personal or work), audio files (personal or work), work projects, software installation or .exe files, academic work or projects, coding projects, etc. If you just need a flash drive for movies, there are alternatives that are less expensive but you will definitely sacrifice transfer speeds of smaller files.

If you are wondering about other brands' high-end USB flash drives, do not wonder. I have tested quite a lot of them and their main failing point is the random read and write performance. Not many USB flash drives have SSD controllers and this is one of the few that does. Again, if you constantly make backups that involve a ton of small files, this is the drive to get. Pay the extra 10% to 25% of this drive and be rewarded with much faster small file transfers.

1 out of 1 people found this review helpful. Did you?
Ownership: more than 1 year
Verified Owner
5/ 5
USB 3.0

Pros: this is fast but does get warm

Cons: cap could easily get lost as it doesn't fit on the back end like some others do

Other Thoughts: would recommend

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Ownership: 1 day to 1 week
Verified Owner
5/ 5
works fine

Pros: plenty of space I would go for a 512 but to much money and do not have a SSD control chip in it or it is not listed

Cons: NON

Other Thoughts: I have the mother board Asus game pro/aura with USB 30 and benched it with ATTO Benchmark write speed 250 reed 350 when I boost speed the USB 30 to push it it comes up at write 300 reed 450 that is perty good for a flash drive. with USB 20 it is SLOW best results use USB 30.

0 out of 1 people found this review helpful. Did you?
Ownership: 1 week to 1 month
Verified Owner
5/ 5
Works beautifully.

Pros: - It's incredibly fast.
- LED light stops blinking when the drive is no longer being actively written to/read from
- Can be attached to a keychain

Cons: - If you keep it on a keychain, the keys may scrape the paint a bit.

Other Thoughts: - It has a little bit of weight to it, moreso than your typical cheap flash drives. Keep it in mind if you keep your drive on a keychain.
- If you want a high speed, high capacity flash drive, I highly recommend this one. I keep all my school things, including textbooks, a PDF reader, and a couple programs on here, they all work like a charm. No issues with lag or ejecting safely whatsoever.

2 out of 2 people found this review helpful. Did you?
Ownership: 1 month to 1 year
Verified Owner
5/ 5
Totally impressed!

Pros: I buy a lot from Newegg, great company, and hardly ever go out of my way to write a review, but this is an exception.
Like the fact that it comes up as an external hard disk and not a removable device. Very well built with a metal casing and nice cap. Does not get hot, just slightly warm after long usage. Speeds are as advertised. Compatible with USB 1,2, and 3. There are absolutely no down sides. Well maybe the price tag, but you get what you pay for.

Cons: NONE

Other Thoughts: I use this stick as a diagnostic tool and boot Windows 10 from this stick. Boots quicker than a hard disk. I can now tell quickly if an older system is truly Windows 10 compatible and find hardware issues quickly.

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Ownership: 1 month to 1 year
Verified Owner
3/ 5
No Corsair USB Lanyard for a great usb drive

Pros: Fast & large, just as everyone states in their reviews. I don't see the speeds stated, but it's plenty fast for my use.

Cons: No Corsair lanyard comes with the drive. Submitted a ticket to corsair for a lanyard, they stated they cant afford to send customers such things. In fact I asked for a lanyard, and part of their statement was "we don't have or give badges or stickers to customers" .....what kind of answer is that?? I ask for a lanyard, or to buy one from them...?... then again, at least they replied, took two weeks, but they did reply. I think I may look at a different company in the future to purchase my USB sticks from. One whom cares about their loyal customers more..........I would have bought one.... I see they sell the lanyards in Europe though...what's up with that !!!!!!!!!!!

Other Thoughts: Three stars for the drive and the great job Newegg does. Two star off for corsair's greed, and lack of caring for their loyal customers...!!!!!!

1 out of 33 people found this review helpful. Did you?
Ownership: 1 day to 1 week
Verified Owner
5/ 5
I'm impressed.

Pros: -Fastest USB drive I've ever seen.

Cons: -Didn't come with a lanyard.

Other Thoughts: It is NOT as fast as an SSD...but its gets close.

0 out of 8 people found this review helpful. Did you?
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