Average Bench: 20.7% (202nd of 639)

Based on 3,420 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: 11%Average: 20.7% Great: 30%

Very poor average bench

The SanDisk Ultra Fit USB 3.0 16GB averaged 79.3% 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 2.37MB/s
Avg. 4K Random Write Speed 1.75MB/s

Very good consistency

The range of scores (95th - 5th percentile) for the SanDisk Ultra Fit USB 3.0 16GB is just 19.9%. 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 26.2MB/s
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Average Bench

(Based on 3,420 samples)
Min Avg Max
26.1 Read 77.3 134
11.3 Write 26.2 43.1
12.4 Mixed 29.5 55.2
6.8 SusWrite 13.3 21.6
40.5% 36.6 MB/s
Min Avg Max
3.1 4K Read 5.13 7
0.3 4K Write 1.75 2.7
0.8 4K Mixed 2.37 3.7
159% 3.08 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
11GB free, PID 5583
Operating at USB 3.0 Speed
SusWrite @10s intervals: 18 14 13 14 12 14 MB/s
Read 129
Write 42.5
Mixed 22
SusWrite 14.3
53% 52 MB/s
4K Read 6.6
4K Write 1.5
4K Mixed 1.7
133% 3.27 MB/s
9GB free, PID 5583
Operating at USB 3.0 Speed
SusWrite @10s intervals: 14 13 13 14 14 14 MB/s
Read 123
Write 43.5
Mixed 24.3
SusWrite 13.7
53% 51.1 MB/s
4K Read 6.5
4K Write 1.6
4K Mixed 1.5
130% 3.2 MB/s
3GB free, PID 5583
Operating at USB 3.0 Speed
SusWrite @10s intervals: 20 22 22 23 23 23 MB/s
Read 79.4
Write 24.6
Mixed 34
SusWrite 22.2
46% 40 MB/s
4K Read 6.6
4K Write 1.6
4K Mixed 3.2
188% 3.8 MB/s
13GB free, PID 5583
Operating at USB 2.1 Speed
SusWrite @10s intervals: 18 18 10 9.1 8.7 9.1 MB/s
Read 30
Write 17.3
Mixed 20.5
SusWrite 12.3
25% 20 MB/s
4K Read 4.7
4K Write 2.3
4K Mixed 3
198% 3.33 MB/s
3,420 MORE »

 Prices

Approx. $12 @ launch in Aug '14
EbayUS $727 mins
AmazonUS $950 mins
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USB Flash Drive Rankings (Price vs Performance) January 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

21 months ago.

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

напоминает SanDisk nCache 2.0


Excellent

2 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

10 months ago.

excellent value- fastest usb I have because im a cheapie


Poor

19 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

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The Best.
CPUGPUSSD
Intel Core i7-8700K $350Nvidia GTX 1070 $350Samsung 850 Evo 250GB $70
AMD Ryzen 5 1600 $155Nvidia GTX 1060-6GB $204Samsung 850 Evo 500GB $89
Intel Core i5-8600K $260Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $115SanDisk Extreme 64GB $43
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $780SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $125SanDisk Extreme 16GB $22
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