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CorsairCMFVV3-64GB
SanDiskSDCZ43-016G-G46
▲ 500 ▼

Release date ≈ Q4 2014.

VS
Effective Speed 
+3%
Real World Speed
Performance profile from 10,703 user samples
Benchmark your USB here
217 User Benchmarks
Best Bench: 35% 23GB free, PID 1a14 @USB 3.2
Worst Bench: 8% 25GB free, PID 1a14 @USB 2.1
Poor: 8% Great: 35%
SPEED RANK: 209th / 639
10,486 User Benchmarks
Best Bench: 31% 14GB free, PID 5583 @USB 3.0
Worst Bench: 10% 0GB free, PID 5583 @USB 3.0
Poor: 10% Great: 31%
SPEED RANK: 206th / 639
Effective Speed
Effective USB Speed 		20.9 % 21.6 % +3%
Peak Score 
+11%
Read
Peak Sequential Read Speed 		154 MB/s Faster peak read speed.
+16% 		133 MB/s
Write
Peak Sequential Write Speed 		59.6 MB/s Much faster peak write speed.
+38% 		43.3 MB/s
4K Read
Peak 4K Random Read Speed 		11.7 MB/s Much faster peak random read.
+70% 		6.9 MB/s
4K Write
Peak 4K Random Write Speed 		1.5 MB/s 2.7 MB/s Much faster peak random write.
+80%
Value & Sentiment 
+44%
Value
Value For Money 		12.2 % 17.7 % Much better value.
+45%
User Rating
UBM User Rating 		50 % 53 % Slightly more popular.
+6%
Price
Price (score) 		$45 $8 Hugely cheaper.
+82%
Nice To Haves 
+3%
Age
Newest 		113+ Months +3% 116 Months
Specifications 
Capacity
Capacity 		64GB 16GB
Conclusion 
Average Bench 20.9%
Average Bench 21.6%
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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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USB Flash Drive Rankings (Price vs Performance) April 2024 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.
How Fast Is Your USB? (Bench your build) Size up your PC in less than a minute

Welcome to our PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best value for money upgrades.

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How it works

  • - Download and run UserBenchmark
  • - CPU tests include: integer, floating and string
  • - GPU tests include: six 3D game simulations
  • - Drive tests include: read, write, sustained write and mixed IO
  • - RAM tests include: single/multi core bandwidth and latency
  • - SkillBench (space shooter) tests user input accuracy
  • - Reports are generated and presented on userbenchmark.com
  • - Identify the strongest components in your PC
  • - See speed test results from other users
  • - Compare your components to the current market leaders
  • - Explore your best upgrade options with a virtual PC build
  • - Compare your in-game FPS to other users with your hardware

 Frequently Asked Questions

Storage Devices FAQ
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
What’s the difference between NAND and V-NAND?
What is sequential write speed?
What is sequential read speed?
What is incompressible data?
USB Flash Drives
How do you install an OS from a USB flash drive?
What is the Flash Drive value for money rating?
What is effective USB Flash Drive speed?
Why should USB 2.0 Flash Drives be avoided?
File system considerations?
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16GB USB Flash Drives
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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $273Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $134Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $186Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $34Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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