Average Bench: 20.5% (205th of 639)

Based on 3,249 user benchmarks.  Device: VID 0781 PID 5583 Model: SanDisk Ultra Fit

The 16GB SanDisk Ultra Fit USB 3.0 is a remarkable flash drive. As well as packing a tiny form factor, the Ultra fit also boasts an impressive peak performance profile with maximum sequential read/writes of 129/46 MBps and 4K read/writes of 6.08/1.51 MBps. The Ultra Fit is actually only bested by three other 16GB models (Sandisk Extreme, Lexar P10, Lexar Triton) all of which cost between from 60-230% more. In terms of outright performance there are better alternatives but in terms of value for money the Ultra Fit is hard to beat. The superbly low price coupled with an amazing form factor which is barely larger than a USB socket make it easy to recommend the 16GB Ultra fit as the best small form factor flash drive on the market. The only thing to watch with the Ultra Fit are its sustained speeds which are significantly lower than peak. [Oct '14 USBFlashPro]

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Poor: 10%Average: 20.5% Great: 30%

Very poor average bench

The SanDisk Ultra Fit USB 3.0 16GB averaged 79.5% 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 2.47MB/s
Avg. 4K Random Write Speed 1.81MB/s

Good consistency

The range of scores (95th - 5th percentile) for the SanDisk Ultra Fit USB 3.0 16GB is 20%. This is a relatively narrow range which indicates that the SanDisk Ultra Fit USB 3.0 16GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 13.3MB/s
Avg. Sequential Write Speed 25.6MB/s
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Average Bench

(Based on 3,249 samples)
Min Avg Max
24.4 Read 74.9 134
10.2 Write 25.6 42.5
13 Mixed 29.7 54.3
7.1 SusWrite 13.3 21.3
39.9% 35.9 MB/s
Min Avg Max
2.9 4K Read 4.96 6.9
0.5 4K Write 1.81 2.7
1 4K Mixed 2.47 3.8
164% 3.08 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
10GB free, PID 5583
Operating at USB 3.0 Speed
SusWrite @10s intervals: 9.5 14 13 13 14 14 MB/s
Read 130
Write 43.7
Mixed 30.8
SusWrite 13
57% 54.4 MB/s
4K Read 6.8
4K Write 1.6
4K Mixed 1.8
141% 3.4 MB/s
11GB free, PID 5583
Operating at USB 3.0 Speed
SusWrite @10s intervals: 32 19 10 11 10 10 MB/s
Read 89.2
Write 34.8
Mixed 51.8
SusWrite 15.2
56% 47.8 MB/s
4K Read 4.1
4K Write 2.2
4K Mixed 3
192% 3.1 MB/s
11GB free, PID 5583
Operating at USB 3.0 Speed
SusWrite @10s intervals: 18 13 13 13 13 12 MB/s
Read 88.2
Write 25.2
Mixed 48.9
SusWrite 13.6
50% 44 MB/s
4K Read 6.5
4K Write 1.7
4K Mixed 1.7
140% 3.3 MB/s
6GB free, PID 5583
Operating at USB 2.1 Speed
SusWrite @10s intervals: 15 17 17 17 17 17 MB/s
Read 39
Write 15.3
Mixed 23.5
SusWrite 16.6
29% 23.6 MB/s
4K Read 4.8
4K Write 1.8
4K Mixed 2.7
171% 3.1 MB/s
14GB free, PID 5583
Operating at USB 2.1 Speed
SusWrite @10s intervals: 10 11 11 8.5 7 7.5 MB/s
Read 18.3
Write 13
Mixed 14.9
SusWrite 9.2
18% 13.8 MB/s
4K Read 3.2
4K Write 0
4K Mixed 1
46% 1.4 MB/s
3,249 MORE »

 Prices

Approx. $12 @ launch in Aug '14
EbayUS $89 mins
AmazonUS $930 mins
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USB Flash Drive Rankings (Price vs Performance) November 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]

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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

Stays-put storage for all your devices...

Added 4 years ago.

Disliked

19 months ago.

Image  s23.postimg.org/...
напоминает SanDisk nCache 2.0

напоминает SanDisk nCache 2.0


Poor

9 months ago.

Testing software isn't relieable because it shows fake write speed which includes write buffer. The real write speed is ~10MB/s so it is really slow for that capacity. Even my old pendrive - Kingston Data Traveler 8GB USB2.0 has above 20MB/s write speed


Excellent

8 months ago.

excellent value- fastest usb I have because im a cheapie


Poor

17 months ago.

The real write speed when copying data is ~10MB/s.


Very good

4 years ago.


Poor

2 years ago.

Real-world write speeds are only 10-12MB/s which is very poor. The benchmarks seem incorrect.


Your
opinion?
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 $359Nvidia GTX 1070 $340Samsung 850 Evo 250GB $80
AMD Ryzen 5 1600 $130Nvidia GTX 1060-6GB $234Samsung 850 Evo 500GB $100
Intel Core i5-8600K $237AMD RX 480 $280Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $130SanDisk Extreme 64GB $43
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $869SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $130SanDisk Ultra Fit 32GB $12
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