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expired Posted by Psybur • Mar 4, 2024
expired Posted by Psybur • Mar 4, 2024

256GB Samsung BAR Plus USB 3.1 Flash Drive (Champagne Silver)

$20

$27

25% off
Amazon
29 Comments 13,774 Views
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Deal Details
Amazon has 256GB Samsung BAR Plus USB 3.1 Flash Drive (Champagne Silver, MUF-256BE3/AM) for $19.99. Shipping is free w/ Prime or on $35+ orders.

Thanks to community member Psybur for finding this deal.

About this item:
  • Redefine everyday file transfers with speeds up to 400MB/s
  • Reliable and secure storage for your photos, videos, music, and files
  • Rugged metal casing for durability with key ring to prevent loss
  • Safeguard your data (Water proof, shock proof, magnet proof, temperature proof, x ray proof)
  • USB 3.1 flash drive with backwards compatibility (USB 3.0, USB 2.0)

Editor's Notes

Written by slickdewmaster | Staff
  • About this deal:
    • Please see the original post for additional details & give the WIKI and additional forum comments a read for helpful discussion.
  • About this store:

Original Post

Written by Psybur
Product Info
Community Notes
About the Poster
Deal Details
Product Info
Community Notes
About the Poster
Amazon has 256GB Samsung BAR Plus USB 3.1 Flash Drive (Champagne Silver, MUF-256BE3/AM) for $19.99. Shipping is free w/ Prime or on $35+ orders.

Thanks to community member Psybur for finding this deal.

About this item:
  • Redefine everyday file transfers with speeds up to 400MB/s
  • Reliable and secure storage for your photos, videos, music, and files
  • Rugged metal casing for durability with key ring to prevent loss
  • Safeguard your data (Water proof, shock proof, magnet proof, temperature proof, x ray proof)
  • USB 3.1 flash drive with backwards compatibility (USB 3.0, USB 2.0)

Editor's Notes

Written by slickdewmaster | Staff
  • About this deal:
    • Please see the original post for additional details & give the WIKI and additional forum comments a read for helpful discussion.
  • About this store:

Original Post

Written by Psybur

Community Voting

Deal Score
+23
Good Deal
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Price Intelligence

Model: Samsung BAR Plus 256GB USB 3.1 Gen 1 Type-A Flash Drive, Champagne Silver

Deal History 

Sale Price
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Current Prices

Sort: Lowest to Highest | Last Updated 5/5/2025, 01:01 AM
Sold By Sale Price
Amazon$21.99
Office Depot and OfficeMax $21.99
Samsung$21.99
Adorama$21.99
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Top Comments

Lowercase g or m is bit, upper case G or M is in bytes

One byte is 8 (or 10 depending on the usage) bits

USB 3.1 Gen 1 = 5gbit = 666Mbytes
USB 3.1 Gen 2 = 10gbit = 1.25Gbytes

This is only the maximum (Theoretical) bus transfer speed.

The main answer is, the USB thumb drive itself has a controller and/or flash memory that can only read/write at up to a certain speed, and is the primary speed limit.

In dumb terms, a car can have a 240mph speedometer, but is only actually capable of going 120mph on its own.
Just FYI, staples has these for $19.99 too, but rewards and coupons apply, .
got mine, the 256gb, for $10.11
Liked for not only being correct but for the way you said it. I like the speedometer analogy.

29 Comments

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Pro
Mar 4, 2024
52 Posts
Joined Nov 2023
Mar 4, 2024
QuirkyRabbit66
Pro
Mar 4, 2024
52 Posts
How is a USB 3.1 drive limited to 400MB/s?
Mar 4, 2024
74 Posts
Joined Jan 2011
Mar 4, 2024
Skarth
Mar 4, 2024
74 Posts

Our community has rated this post as helpful. If you agree, why not thank Skarth

Quote from QuirkyRabbit66 :
How is a USB 3.1 drive limited to 400MB/s?
Lowercase g or m is bit, upper case G or M is in bytes

One byte is 8 (or 10 depending on the usage) bits

USB 3.1 Gen 1 = 5gbit = 666Mbytes
USB 3.1 Gen 2 = 10gbit = 1.25Gbytes

This is only the maximum (Theoretical) bus transfer speed.

The main answer is, the USB thumb drive itself has a controller and/or flash memory that can only read/write at up to a certain speed, and is the primary speed limit.

In dumb terms, a car can have a 240mph speedometer, but is only actually capable of going 120mph on its own.
9
Mar 4, 2024
5,106 Posts
Joined Jul 2004
Mar 4, 2024
Parato Optimal
Mar 4, 2024
5,106 Posts
Quote from Skarth :
Lowercase g or m is bit, upper case G or M is in bytes

One byte is 8 (or 10 depending on the usage) bits

USB 3.1 Gen 1 = 5gbit = 666Mbytes
USB 3.1 Gen 2 = 10gbit = 1.25Gbytes

This is only the maximum (Theoretical) bus transfer speed.

The main answer is, the USB thumb drive itself has a controller and/or flash memory that can only read/write at up to a certain speed, and is the primary speed limit.

In dumb terms, a car can have a 240mph speedometer, but is only actually capable of going 120mph on its own.
Liked for not only being correct but for the way you said it. I like the speedometer analogy.
Mar 4, 2024
1,471 Posts
Joined Oct 2013
Mar 4, 2024
TooManyMind
Mar 4, 2024
1,471 Posts
These drives technically can reach the advertised speeds but only initially. After that, they'll gradually throttle down because of the heat it generates during use. Ultimately, it'll only achieve a quarter of the advertised speeds over a long duration in my experience.
Last edited by TooManyMind March 4, 2024 at 11:45 PM.
Mar 5, 2024
4,991 Posts
Joined Jul 2017

This comment has been rated as unhelpful by Slickdeals users.

Mar 5, 2024
1,693 Posts
Joined Dec 2007
Mar 5, 2024
crazeedave
Mar 5, 2024
1,693 Posts
Quote from QuirkyRabbit66 :
How is a USB 3.1 drive limited to 400MB/s?
It's 3.1 limited to 400MB/s.

On the serious note, good for the value/brand. You can use it for Blink sync module.
Mar 5, 2024
601 Posts
Joined Jun 2014
Mar 5, 2024
tony310s
Mar 5, 2024
601 Posts
Will these work on tesla? they look identical.

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Mar 5, 2024
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Mar 5, 2024
EdEd1190
Mar 5, 2024
3,213 Posts

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Quote from tony310s :
Will these work on tesla? they look identical.
I've been using this since March 2023 in my Tesla, for an upgrade over the 128GB. Appears to be identical, seems like Tesla is using this as the OE provider. Not sure if the internals of the drive have any different specifications for Tesla, but externally the drive looks identical.

Anyway, I've been using it for a year now with no issues. Also, the 256GB gives a lot more recording space for security mode and dash cams.

You will have to format the drive first. On the touchscreen: Controls > Safety > Format USB Drive
Last edited by EdEd1190 March 5, 2024 at 01:44 PM.
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Mar 5, 2024
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Mr_Spiffy
Pro
Mar 5, 2024
1,159 Posts
Quote from Luigis3rdcousin :
400MB is actually about 50 megabytes per second. Very meh.

This is why I'm a huge fan of these nvme usb adapters and you can pickup a cheap nvme drive somewhere, even eBay and have a 300-900 megabytes per second thumb drive on steroids.

This is the one I'm using with my spare sk hynix 500gb drive

https://www.amazon.com/gp/aw/d/B0...asin_title

It doesn't have heat sinks and it throttles but that's fine, it still beats a thumb drive
That's incorrect. Capital MB = megabytes. This drive says 400 megabytes per second. Not megabits.
1
Mar 5, 2024
460 Posts
Joined Nov 2022
Mar 5, 2024
CapitalEffYou
Mar 5, 2024
460 Posts
Just FYI, staples has these for $19.99 too, but rewards and coupons apply, [if you have any].
got mine, the 256gb, for $10.11
Mar 5, 2024
109 Posts
Joined Aug 2011
Mar 5, 2024
mimi_mechant
Mar 5, 2024
109 Posts
Quote from CapitalEffYou :
Just FYI, staples has these for $19.99 too, but rewards and coupons apply, [if you have any].
got mine, the 256gb, for $10.11
Thanks for the heads up. I used a $10 Staples email coupon too that I forgot about. Cheers.
Mar 6, 2024
1,321 Posts
Joined Nov 2010
Mar 6, 2024
scholzpdx
Mar 6, 2024
1,321 Posts
Adding these was a really cheap way to add storage to my Series S and X. Xbox One games play well from it.
Mar 6, 2024
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Joined Mar 2014
Mar 6, 2024
scotts9612
Mar 6, 2024
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Our community has rated this post as helpful. If you agree, why not thank scotts9612

How do you avoid getting fakes from Amazon The last one I got was about quarter of the capacity
1
Mar 6, 2024
10,640 Posts
Joined Jul 2006
Mar 6, 2024
BladeD
Mar 6, 2024
10,640 Posts
Quote from scotts9612 :
How do you avoid getting fakes from Amazon The last one I got was about quarter of the capacity
Test it and send it back if it is a fake.
Last edited by BladeD March 6, 2024 at 09:50 AM.

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Mar 6, 2024
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Mar 6, 2024
masterz13
Mar 6, 2024
4,506 Posts
Quote from Luigis3rdcousin :
400MB is actually about 50 megabytes per second. Very meh.

This is why I'm a huge fan of these nvme usb adapters and you can pickup a cheap nvme drive somewhere, even eBay and have a 300-900 megabytes per second thumb drive on steroids.

This is the one I'm using with my spare sk hynix 500gb drive

https://www.amazon.com/gp/aw/d/B0...asin_title

It doesn't have heat sinks and it throttles but that's fine, it still beats a thumb drive
400 megaBYTES per seconds, not megaBITS. So it is actually quite fast.

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