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SanDiskSDCZ80-064G
$72
CorsairCMFVYGT3A-64GB
▲ 848,982 ▼
 $72 

Release date: Q2 2012.

VS
About
▲ 57557 ▼

Release date: Q3 2012.

Effective Speed 
+131%
Real World Speed
Performance profile from 4,615 user samples
Benchmark your USB here
4,354 User Benchmarks
Best Bench: 111% 12GB free, PID 5580 @USB 3.0
Worst Bench: 25% 33GB free, PID 5580 @USB 2.1
Poor: 25% Great: 111%
SPEED RANK: 7th / 639
261 User Benchmarks
Best Bench: 60% 41GB free, PID 1a09 @USB 3.0
Worst Bench: 10% 47GB free, PID 1a09 @USB 2.1
Poor: 10% Great: 60%
SPEED RANK: 77th / 639
Effective Speed
Effective USB Speed 		74 % Hugely faster effective speed.
+131% 		32 %
Peak Lab Bench 
+1,462%
Read
Peak Sequential Read Speed 		197 MB/s 220 MB/s Slightly faster peak read speed.
+12%
Write
Peak Sequential Write Speed 		188 MB/s Much faster peak write speed.
+79% 		105 MB/s
4K Read
Peak 4K Random Read Speed 		13 MB/s 20 MB/s Much faster peak random read.
+54%
4K Write
Peak 4K Random Write Speed 		8.9 MB/s Insanely faster peak random write.
+5,833% 		0.15 MB/s
Value & Sentiment 
+21%
Value
Value For Money 		26.8 % Much better value.
+50% 		17.8 %
User Rating
UBM User Rating 		84 % Much more popular.
+47% 		57 %
Price
Price (score) 		$72 $47 Much cheaper.
+35%
Nice To Haves 
+1%
Age
Newest 		91 Months 90 Months +1%
Specifications 
Capacity
Capacity 		64GB 64GB
Conclusion 
Average Bench 74%
Average Bench 32%
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For real world usability this is currently the best 64GB flash drive (superseded by the Ventura Ultra - 2014). It has a very balanced performance profile with an exceptional 4K random write speed. The 16GB version of the Extreme is currently the value leader in the USB 3.0 flash drive shootout. At present there are no viable alternatives to the 64GB Extreme in fact the Corsair voyager GT turbo is the only drive on the horizon that may challenge the Sandisk any time soon. There are however several reports (Newegg, Amazon) of compatibility issues with this, the 64GB version (other versions are fine), so if you do go for the 64GB version, don't throw the receipt away in a hurry. [Feb '13 USBFlashPro]

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The 64 GB Flash Voyager GT has an impressive performance profile. You wouldn't know it without checking the serial numbers but Corsair have released several variants of the USB 3.0 Voyager GT. With each successive version slightly besting its predecessor, this is the best flash drive I have seen from Corsair to date, it even beats the GT Turbo which is more recent. The strongest area of relative performance for the GT is 4K read speed where it achieves 20 MB/s, unfortunately its 4K write speed is almost equally poor clocking in at just 0.15 MB/s. I don't generally like that sort of imbalance in a flash drives performance because it means that from time to time I will get stuck waiting an inordinate amount of time for a data transfer to complete. Taken as a whole the 64 GB GT is a competent performer that's let down by its relatively weak 4k write speed. [Sep '13 USBFlashPro]

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USB Flash Drive Rankings (Price vs Performance) January 2020 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.
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Welcome to our freeware 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 upgrades.

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  • - Reports are generated and presented on userbenchmark.com.
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  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
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  • - Share your opinion by voting.

 Frequently Asked Questions

Storage Devices FAQ
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What is 3D XPoint and how fast is it?
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USB Flash Drives
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