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Question What are your favorite USB flash drives?

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mindless1

Diamond Member
TLDR; Just ignore this topic if you're not looking for or can contribute to the value leaders for modern USB flash drives. I have seen the same reviews anyone can pull up with a google search and they are lacking, to say the least.

SO, I got this Teamgroup C145, 128GB USB flash drive in the mail today for $11. I didn't expect much, love the GB:$ ratio, but it's poorly made (structurally weak) and slow, averaging about 16.5MB/s write speed.

I could go into detail about structurally weak but let's say I thought it felt very light, very thin plastic including the casing seams moving when I squeezed it, so not wanting to wonder about using it, I popped it open and saw a pretty fragile construction, then filled it with epoxy to eliminate the weakness so now it is extremely rugged. I do not want to bother doing this!

SO, what are your favorite lowest cost flash drives that are very sturdy, but more importantly, which current models do you deem worth the price increase for higher performance. I'll share a few observations I made, without owning some of these.

- Sandisk Ultra Fit and Ultra Flair, (and probably Loop, Luxe, Extreme Go, and others) are prone to overheating and slow down to sub-15MB/s on extended writes. Some people even have them stutter, and lockup from heat. Build quality is high, they're very sturdy.

- Samsung Bar Plus, this would be the only flash drive I ever buy if it were more than double the speed, has heat issues and slows down similar to, but not as bad as the Sandisk Ultras.


- Transcend Jetflash 910, seems to have performance rivaling a Sandisk Extreme Pro but at lower cost. I do have a Sandisk Extreme Pro and have no regrets buying it years ago but they are pricey, now over 4X the cost per GB in some sizes. Both of these are reasonably well built.

- Arcanite AK58, seems a pretty reasonable performance😛rice ratio. I don't have one of these, have no idea about build quality.

- Vansuny, ?? Seems like a generic is trying to make it into the big leagues unless the specs are just a lie. I have never bought *this* generic a flash drive before. https://www.amazon.com/gp/product/B08LGKDG1J

- Patriot Supersonic Rage 2 or Rage Elite (same thing internally?) used to be a value😛erformance leader but their prices did not drop with the last flash density increase like everyone else so they are more of a yesterday's choice. They are fairly sturdy.

- Corsair Voyager GTX, costs so much that it is a bit of a joke. No USB3 flash drive should cost over twice what the same capacity and higher performance SSD costs. I accept the rationale that performance at a small size is worth something but when it costs no more to make it, that is a hard pill to swallow. They are fairly sturdy.

- PNY Pro Elite, looks sturdy, specs (and benchmarks) look similar to the Patriot Supersonics and at simliar price points.


Have you found a hidden gem, a flash drive that performs beyond its pay grade and is sturdy? Please do not just tell me some benchmark score that involves the OS caching, any performance metric should be long enough (writes) that the cache is exhausted. For example if you write 40GB to it, what is the average speed at the end? Crystal diskmark, etc benchmark tools mean nothing to me compared to real world file performance with large sequential file reads and writes.
 
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Prices for the non-junk USB flash drives seem to have risen in the past months (? tariffs!), but one of my still-favorites is on sale so I'll mention that, the Transcend ESD310C which amazon has as a limited time deal, 256GB for $32, or higher capacities are cheaper per GB but not part of the limited time deal.


Edit: Not recommended, mine died.
 
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This is one of the fastest non-SSD USB 3.0 flash drives I've owned, paid $15 (on sale I think) for it in 2015, according to order history. Mushkin Enhanced Ventura Plus 32GB


Can hit nearly 70MB/s write and 180MB/s reads. I just threw out some Kingston Data Travelers from the same era 2015~2017 that were terrible performers, I paid pretty much the same price for.

Seriously 10 years later, what are the good performing cheap non-SSD USB flash drives today?
 
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Inflation and trumpflation tho'.

Back around 2014 I got a Sandisk Extreme CZ80 32GB for $20, which performed very well for it's era, would have been equivalent to $27 in today's money.

When I got the Transcend ESD310C 256GB this spring, it was $32, and is faster and 8X the capacity so if it hadn't risen in price since then, I'd feel like USB flash drives have made reasonable enough progress considering that if you want something too cheap today, you're getting QLC memory then that's slower and more limited write cycles too.

Edit 12-29-25: Times change, that ESD310C I bought, not only died but currently costs $60, near doubling in price.
 
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something cheap thats strong and durable enough to get me from location A to B in IP65 conditions if needed, and has enough capacity to store whatever needs shuttling from A to B that's not done via internal network.

Or something that can take a beating in a hot car, and not wear out faster then my dog with her chew toys.

These are the only things i think i look at in flash drives, because everything else is sort of moot.

If i need ultra fast, i have a sandisk pro extreme typc C nvme drive, not to mention its also 4TB.
If i need to move more then 4TB, well, im happy with my 10GBE internally, as its also connected to a 96TB NAS, and has a bandwith of 1GB/S transfer if done A and B can support that bandwith.
 
This is one of the fastest non-SSD USB 3.0 flash drives I've owned, paid $15 (on sale I think) for it in 2015, according to order history. Mushkin Enhanced Ventura Plus 32GB

According to the invoice I ordered two of them. Wondering where the other went. I think I might have gifted it to someone. I do that a lot and then don't remember where things went several years later. 😀😛
 
These are the only things i think i look at in flash drives, because everything else is sort of moot.

Same. 80 ~ 90 MB/s writes and 180MB ~ 200MB reads is fine by me. I don't even require the large capacities in my flash drives, up to 64GB is all I need. And doesn't get super hot like a few of the newer USB 3.1/3.2 flash drives I have. The Mushkin has aluminum shell/case and gets VERY warm but not HOT.
 
something cheap thats strong and durable enough to get me from location A to B in IP65 conditions if needed

That portion can be filled by any flash drive with a flimsy casing you can split open then epoxy pot it - covering the rear of the USB connector so the epoxy can't find it's way in.

It can also be had with the models barely larger than the USB connector and an encased slug integrated into that like some of the Sandisk et all, but at least the Sandisks tend to overheat (even if it doesn't feel particularly hot externally) and throttle speed if not lock up, and all with the tiny slug are pretty slow.
 
Same. 80 ~ 90 MB/s writes and 180MB ~ 200MB reads is fine by me.
Unless you're only writing semi-large files (dozens+ MB per file), most inexpensive flash drives will not sustain 80MB/s writes, unless their slowness is just masked by OS write caching. I keep windows write caching turned on for flash drives, because even in the event of a sudden power outage, I never have the only copy of data on that flash drive.

Edit: I just started a 4GB file write to a Sandisk Ultra Flair. It started at 25MB/s, 2/3rds of the way through it slowed to 20MB/s (file source being an SSD no less), then by the time it finished, kept dropping off and reconnecting to the USB hub. I formatted it, and now writing the same file it's getting a whopping 12MB/s. This is a drive that many owners report as hot running, though feeling it with my finger, it only feels a little warm.
 
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The SD Association's Formatter (the long format) is about as close as you can easily get to Secure Erase or TRIM type speed for both SD Cards and USB flash drives.
It also has an uncanny ability for fixing broken drives.
https://www.sdcard.org/downloads/formatter/

For older non UASP drives still using the BOT protocol and USB2 drives,
Check out:
MaximumTransferLength
USB-WriteCache V0.2
if you are not using the NTFS FS.
at the bottem of
https://www.uwe-sieber.de/drivetools_e.html
(Uwe Sieber is the writer of USB drivers for DOS and/or Win95 IIRC)
 
The SD Association's Formatter (the long format) is about as close as you can easily get to Secure Erase or TRIM type speed for both SD Cards and USB flash drives.
It also has an uncanny ability for fixing broken drives.
https://www.sdcard.org/downloads/formatter/
It's a shame that the SD Assoc's formatter doesn't support FAT32, which I often put on old/leftover flash drives (though old, are still >32GB) and make them bootable on systems with old bios' needs. Fortunately there's other utilities like Rufus to do that.
 
It's a shame that the SD Assoc's formatter doesn't support FAT32, which I often put on old/leftover flash drives (though old, are still >32GB) and make them bootable on systems with old bios' needs. Fortunately there's other utilities like Rufus to do that.
Yep. It'd be great if you choose the FS and also the cluster size.

Do check out Uwe Sieber's stuff. It makes a big difference.
 
Now that I've seemingly PIMPED that Transcend ESD310C flash drive, IT DIED at under a year old. At least it was under warranty.

Windows notepad froze trying to save a few KB text file to it, unplugged and replugged it, saw the filesystem but no files were actually accessible. Then it disappeared on the USB-A.

Plugged it into a phone on the USB-C (using the USB-C port on the other end of the flash drive, not an A-to-C adapter), was able to get a little data off (not that it mattered, already had a copy of that data elsewhere but as a test...), then it disappeared to the phone too.

Plugged it back into a hub with the USB-A plug, windows saw an empty unformatted storage device, then it disappeared again. Never came back so no chance to even try that SD Assoc's formatter.
 
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1000050804.jpg

Top one I like because it's USB C and A, fairly large, and fairly quick. It's also pretty durable and small.
The second one is really quick but it's a bit big and sticks out a lot from what you plug it into. It's easy to snag it and bend the port.
The bottom one is slow, old and indestructible!
 
^ I have that 3rd one (or something extremely similar looking) currently plugged into a generic mSD/USB reader/DAC module that I added to a tool brand radio for playing audio files. That's been it's permanent home for the last half dozen years or more.

Super Talent Pico_C 4GB, $16 on Newegg in 2008. One thing I remember about it is that the outer metal tray it sits in (the casing itself), is slightly wider than the standard for a USB port, so I had to literally take sandpaper to plane down the width of it by about 1/2mm to not worry about tearing up USB ports it was being plugged into. Turns out that the metal tray is chromed potmetal (zinc-something alloy?) so it just turns a mousy gray color by doing that.

Edit: Just found a benchmark I did at the time (2008), peak read 30MB/s, write 3.4MB/s. A real speed demon, but works fine for audio file playback.
 
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^ I have that 3rd one (or something extremely similar looking) currently plugged into a generic mSD/USB reader/DAC module that I added to a tool brand radio for playing audio files. That's been it's permanent home for the last half dozen years or more.

Super Talent Pico_C 4GB, $16 on Newegg in 2008. One thing I remember about it is that the outer metal tray it sits in (the casing itself), is slightly wider than the standard for a USB port, so I had to literally take sandpaper to plane down the width of it by about 1/2mm to not worry about tearing up USB ports it was being plugged into. Turns out that the metal tray is chromed potmetal (zinc-something alloy?) so it just turns a mousy gray color by doing that.
I mostly use it for BIOS flashes, its reporting itself as 17GB and theres no writing on the casing at all. Looks the same as the one you have though. Mine seems to fit the USB port fine but I only use it in my PC.
 
View attachment 134183

Top one I like because it's USB C and A, fairly large, and fairly quick. It's also pretty durable and small.
The second one is really quick but it's a bit big and sticks out a lot from what you plug it into. It's easy to snag it and bend the port.
The bottom one is slow, old and indestructible!
Top one...
Screenshot from 2025-11-19 21-58-21.png
Bottom one...
Screenshot from 2025-11-19 22-01-23.png

Can't find the middle one! Its significantly faster than the first one though!
 
I replaced that Transcend ESD310C with an Axe 500GB USB *SSD*.

It's not as fast, topping around 600MB/s reads and 500MB/s writes initially, but with good 4K transfers that raise performance a couple notches above the typical non-SSD controller based USB flash drives.

Did an 80GB sustained large files transfer and it bottoms out around 130MB/s sustained large file writes after a few GB. Did not feel more than barely warm at the end, though I could use HDSentinel to get a temp reading on the Transcend but it couldn't see temps for the Axe.

Reasonably sturdy all plastic case that's small enough to not block adjacent ports on *most* systems.

I wouldn't pay the current $79 price (EDIT 12-24-25: Amazon currently has a limited time coupon making the 500GB version $55 which is closer to reasonable - did they read this post lol! /edit), picked it up as an amazon resale item for $40, but who knows where memory products pricing is headed. It is over-priced relative to contemporary pricing of other equivalent performance USB SSD flash drives, so I'd expect the price to drop some in the future.

The info I've obtained so far about it is as follows. Phison controller

Controller : PS5017(U17)
FlashID: 0xad,0x89,0x28,0x53,0x0,0xb0,0x0,0x0 - Hynix 3dv6-128L TLC 16k 1024Gb/CE 1024Gb/die
Bank00: 0xad,0x89,0x28,0x53,0x0,0xb0,0x0,0x0 - Hynix 3dv6-128L TLC 16k 1024Gb/CE 1024Gb/die
Bank01: 0xad,0x89,0x28,0x53,0x0,0xb0,0x0,0x0 - Hynix 3dv6-128L TLC 16k 1024Gb/CE 1024Gb/die
Bank02: 0xad,0x89,0x28,0x53,0x0,0xb0,0x0,0x0 - Hynix 3dv6-128L TLC 16k 1024Gb/CE 1024Gb/die
Bank03: 0xad,0x89,0x28,0x53,0x0,0xb0,0x0,0x0 - Hynix 3dv6-128L TLC 16k 1024Gb/CE 1024Gb/die
CPU Clk : 533
Flash CE : 4
Flash Channel : 2
Interleave : 2
Flash CE Mask : [++++---- -------- -------- --------]
Flash Clk,MT : 800
Die per CE : 1
Block per CE : 5752
Page per Block: 1536
Bit Per Cell : 3(TLC)
PE Cycle Limit: 30000/1000
SLC cache : 0x600000/0x340000

Frankly after having a few UFD's over the years, I'd like to just go back to 2020 when I bought this Emtec S600 linked below, an MLC chip based 256GB for $29 and buy a few more for the write endurance and reasonable "enough" performance even if slower than anything "SSD" labeled today, as it's been a workhorse for the last 5 years and never a moment of trouble except sometimes defaults to USB2 speeds in *loose* (well worn) USB ports, same ports that some other USB3 UFD don't drop down to USB2 for so there might be a small tolerance issue with it's connector but it's not been a frequent enough problem to mention other than in passing, but it's now $84!!

Ironically the amazon reviews are tainted by people who can't read and didn't realize it comes from the factory with 1/2 the capacity as a hidden software-unlocked *security* partition but that is easily removed to create a single full capacity volume used normally with no software needed at that point forward.

It is a little bulky and the access indicator LED is barely visible but if I squint I can see it and when that matters, it beats not having one. More important, it just keeps working and being MLC, will probably keep doing so at the duty cycle I ask of it, for another 10+ years.


So... I'll put that on my wish list, a UFD with MLC if not SLC memory, built to last long term, approaching 1TB or more capacity, with a modern SSD-USB bridge controller, that doesn't cost so much that you have to sell a kidney to buy one.
 
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I'm seeing prices of several of the newer, higher performance USB flash drives rise a lot recently, and not unexpectedly due to AI related flash chip consumption and shortages.

Probably a good time to buy a USB flash drive if not too late already as prices are predicted to keep going up.
 
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Really love that you been keeping this thread up. Really surprised.... at the initial ssd pitching you kept getting, despite your friendly reprimands. You'd think ppl are getting kickbacks or something with how often they wanted to divest the conversation towards em.

The above usb you linked is now at 53$. And the 128gb version is at 36$ with near similar write speeds, as compared to on this site:
ssd-tester((.com))/usb_flash_drive_test.php

Going off that site, this PNY V3 is at 50$ with a seemingly more favorable balance of factors:
amazon((.com))/gp/product/B0DNNHVJY6?th=1

However, the PNY in your initial post seems like the most budget-friendly, coming in a 128gb 2-pack, at 36$:
amazon((.com))/PNY-Elite-256GB-Speeds-P-FD256PRO-GE/dp/B0G547D36M?th=1

But you didn't comment on its performance value alone, and the sale price from the Patriot you were comparing it to is no longer visible. Any thoughts?
 
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Going off that site, this PNY V3 is at 50$ with a seemingly more favorable balance of factors:
amazon((.com))/gp/product/B0DNNHVJY6?th=1

However, the PNY in your initial post seems like the most budget-friendly, coming in a 128gb 2-pack, at 36$:
amazon((.com))/PNY-Elite-256GB-Speeds-P-FD256PRO-GE/dp/B0G547D36M?th=1

But you didn't comment on its performance value alone, and the sale price from the Patriot you were comparing it to is no longer visible. Any thoughts?

The V3 looks reasonable except it's still hard to swallow paying that much for 256GB. The Elite Pro I wouldn't pay that much for because the small writes are much slower. You're allowed to post amazon links without mangling them. 🙂

EDIT: It should be noted that the V3 USB-C version is inexplicably lower priced at $38 right now, making it one of the better values at the moment:

 
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Avoid anything Imation. I have two of them, different looking physically. Both 32GB I think. One of them works but may not get detected reliably so kinda iffy if it will continue to work. The other seems to work but it has failed to maintain the integrity of the files on it (bought in 2018 I think and has files on it dated 2019). Seems to be some penta level cell crap. Thankfully, it had only media files on it. An AVI file on it won't seek anymore and only works if you watch it from start to finish. The rest of the files have major sound distortion, skipping and pixellation artifacts. Massive bitrot.
 
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