Average Bench: 20.6% (201st of 638)

Based on 3,564 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: 20.6% Great: 30%

Very poor average bench

The SanDisk Ultra Fit USB 3.0 16GB averaged 79.4% 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 2.23MB/s
Avg. 4K Random Write Speed 1.69MB/s

Good consistency

The range of scores (95th - 5th percentile) for the SanDisk Ultra Fit USB 3.0 16GB is 20.4%. 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 12.8MB/s
Avg. Sequential Write Speed 26.9MB/s
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Average Bench

(Based on 3,564 samples)
Min Avg Max
26.5 Read 78.4 131
11 Write 26.9 43
14 Mixed 29.6 56
6.71 SusWrite 12.8 21.4
40.8% 36.9 MB/s
Min Avg Max
2.9 4K Read 5.09 7
0.31 4K Write 1.69 2.6
0.7 4K Mixed 2.23 3.7
152% 3 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
14GB free, PID 5583
Operating at USB 3.0 Speed
SusWrite @10s intervals: 16 11 13 12 14 14 MB/s
Read 124
Write 44.3
Mixed 16.5
SusWrite 13.3
50% 49.5 MB/s
4K Read 6.6
4K Write 1.6
4K Mixed 1.7
137% 3.3 MB/s
13GB free, PID 5583
Operating at USB 3.0 Speed
SusWrite @10s intervals: 18 13 14 13 14 14 MB/s
Read 124
Write 34.5
Mixed 21.5
SusWrite 14.2
49% 48.5 MB/s
4K Read 6.6
4K Write 1
4K Mixed 1.2
99% 2.93 MB/s
14GB free, PID 5583
Operating at USB 3.0 Speed
SusWrite @10s intervals: 15 14 13 14 14 13 MB/s
Read 93
Write 37
Mixed 41.8
SusWrite 13.8
53% 46.4 MB/s
4K Read 6.6
4K Write 0.3
4K Mixed 1.5
86% 2.8 MB/s
8GB free, PID 5583
Operating at USB 2.1 Speed
SusWrite @10s intervals: 16 15 15 13 8.9 8.9 MB/s
Read 36.6
Write 13.9
Mixed 20
SusWrite 12.6
25% 20.8 MB/s
4K Read 2.5
4K Write 1.5
4K Mixed 2
128% 2 MB/s
14GB free, PID 5583
Operating at USB 2.1 Speed
SusWrite @10s intervals: 13 7.5 7.3 6.2 5.5 5.1 MB/s
Read 37
Write 21.5
Mixed 22
SusWrite 7.4
27% 22 MB/s
4K Read 5.2
4K Write 1.5
4K Mixed 1.5
121% 2.73 MB/s
3,564 MORE »

 Prices

Approx. $12 @ launch in Aug '14
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AmazonUS $916 mins
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USB Flash Drive Rankings (Price vs Performance) March 2019 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

23 months ago.

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

напоминает SanDisk nCache 2.0


Excellent

4 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

13 months ago.

excellent value- fastest usb I have because im a cheapie


Terrible

1 month ago.

Overheats and melts in a USB3 port


Poor

21 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?
638 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 $380Nvidia GTX 1070 $330Samsung 850 Evo 250GB $104
AMD Ryzen 5 1600 $120Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $105
Intel Core i5-8600K $260Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $88
HDDRAMUSB
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3000 C15 2x8GB $105SanDisk Extreme 64GB $43
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $716SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $120SanDisk Ultra Fit 32GB $12
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