Average Bench: 27.2% (125th of 639)

Based on 3,508 user benchmarks.  Device: VID 0781 PID 5583 Model: SanDisk Ultra Fit

The 64GB SanDisk Ultra Fit is the largest capacity available in the Ultra Fit range. Both the 16GB and 32GB siblings fared well in terms of peak performance but with the majority of flash based products larger capacities are faster. Unfortunately for the Ultra Fit this proved not to be the case. Comparing the performance leading Mushkin Ventura and 64GB Ultra Fit shows that the Ventura is around 600% faster but just 60% more expensive. Although the Ultra Fit is a contender in the 32GB and 16GB capacities it doesn't fare well against the 64GB competition. If you are looking for a tiny form factor the 64GB SanDisk Ultra Fit is superb but otherwise there are better alternatives available with better peak and significantly better sustained transfer speeds. [Oct '14 USBFlashPro]

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Poor: 12%Average: 27.2% Great: 39%

Very poor average bench

The SanDisk Ultra Fit USB 3.0 64GB averaged 72.8% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. 4K Random Mixed IO Speed 2.04MB/s
Avg. 4K Random Write Speed 1.96MB/s

Good consistency

The range of scores (95th - 5th percentile) for the SanDisk Ultra Fit USB 3.0 64GB is 27%. This is a relatively narrow range which indicates that the SanDisk Ultra Fit USB 3.0 64GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 27MB/s
Avg. 4K Random Read Speed 4.5MB/s
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Average Bench

(Based on 3,508 samples)
Min Avg Max
27.2 Read 96.9 154
9.6 Write 43.7 90.2
12.4 Mixed 48.6 99
12.7 SusWrite 27 38.7
63.9% 54 MB/s
Min Avg Max
2.4 4K Read 4.5 6.9
0.6 4K Write 1.96 3.2
0.31 4K Mixed 2.04 3.5
153% 2.83 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
58GB free, PID 5583
Operating at USB 3.0 Speed
SusWrite @10s intervals: 84 14 17 17 13 19 MB/s
Read 138
Write 85.7
Mixed 98.5
SusWrite 27.2
108% 87.4 MB/s
4K Read 4.1
4K Write 3.1
4K Mixed 3.6
243% 3.6 MB/s
57GB free, PID 5583
Operating at USB 3.0 Speed
SusWrite @10s intervals: 53 45 23 23 24 23 MB/s
Read 148
Write 48.6
Mixed 70.7
SusWrite 31.8
85% 74.7 MB/s
4K Read 5.3
4K Write 1.9
4K Mixed 1.5
135% 2.9 MB/s
28GB free, PID 5583
Operating at USB 2.1 Speed
SusWrite @10s intervals: 24 26 25 26 18 16 MB/s
Read 38.3
Write 26
Mixed 29.2
SusWrite 22.6
38% 29 MB/s
4K Read 4.4
4K Write 2.8
4K Mixed 3.4
227% 3.53 MB/s
32GB free, PID 5583
Operating at USB 2.1 Speed
SusWrite @10s intervals: 23 19 18 18 18 17 MB/s
Read 38.3
Write 23.2
Mixed 19.2
SusWrite 18.8
31% 24.9 MB/s
4K Read 6.4
4K Write 2.2
4K Mixed 1.8
160% 3.47 MB/s
3,508 MORE »

 Prices

Approx. $19 @ launch in Aug '14
AmazonUS $2318 months
EbayUS $2330 mins
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How Fast Is Your USB? (Bench your build) Size up your PC in less than a minute.

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USB Flash Drive Rankings (Price vs Performance) September 2018 USB Rankings.

We highlight the best USB flash drive in terms of balanced performance and value for money using current prices, sequential read, sequential write , 4k read and 4k write speed. The speeds are combined to form a single effective speed which measures performance for tasks such as copying photos, music and videos. Effective speed is adjusted by current price and capacity to yield value for money. Finally thousands of individual user ratings are used to validate our benchmark figures. [USBFlashPro]

Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.

 Comments

So small you hardly know it’s there...

Added 3 years ago.

Excellent

2 months ago.

This USB thumb drive from Sandisk is extremely small compared to most thumb drives. I can store all my work files, encrypt the USB thumb drive for security and have it attached on my key chain and in my pocket. It is not big and bulky at all. Very practical and useful device Sandisk - Excellent work!!! I will be buying bigger sized (i.e. GB) in the same form factor in the future from Sandisk. Keep them coming (i.e. very small USB Thumb Drives) Sandisk!

Info  www.sandisk.com/...

Official Sandisk website


Excellent

3 years ago.


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639 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different USBs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i7-8700K $370Nvidia GTX 1070 $344Samsung 850 Evo 250GB $84
AMD Ryzen 5 1600 $150Nvidia GTX 1060-6GB $270Samsung 850 Evo 500GB $115
Intel Core i5-8600K $249AMD RX 480 $280Samsung 850 Pro 256GB $134
HDDRAMUSB
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3000 C15 2x8GB $150SanDisk Extreme 64GB $80
Seagate Barracuda 3TB (2016) $78G.SKILL Trident Z DDR4 3200 C14 4x16GB $898SanDisk Extreme 32GB $30
WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3200 C16 2x8GB $167SanDisk Ultra Fit 32GB $11
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