Real World Speed
Performance profile from 42,242 user samples
28,472 User Benchmarks
Best Bench: 105% 148GB free
Worst Bench: 63% 905GB free
Poor: 63% Great: 105%
SPEED RANK: 63rd / 1002
13,770 User Benchmarks
Best Bench: 109% 3TB free
Worst Bench: 72% 2TB free
Poor: 72% Great: 109%
SPEED RANK: 14th / 1002
Effective Speed
Effective HDD Speed
84.3 % 95.2 % Slightly faster effective speed.
+13%
Read
Avg. Sequential Read Speed
136 MB/s 175 MB/s Faster read speed.
+29%
Write
Avg. Sequential Write Speed
157 MB/s 157 MB/s
4K Read
Avg. 4K Random Read Speed
0.7 MB/s Slightly faster random read.
+6%
0.66 MB/s
4K Write
Avg. 4K Random Write Speed
5.09 MB/s Hugely faster random write.
+235%
1.52 MB/s
Mixed
Avg. Sequential Mixed IO Speed
126 MB/s 153 MB/s Faster mixed IO speed.
+21%
4K Mixed
Avg. 4K Random Mixed IO Speed
0.67 MB/s Hugely faster random mixed IO.
+219%
0.21 MB/s
Read
Peak Sequential Read Speed
191 MB/s 199 MB/s +4%
Write
Peak Sequential Write Speed
191 MB/s +3% 185 MB/s
4K Read
Peak 4K Random Read Speed
0.91 MB/s Slightly faster peak random read.
+12%
0.81 MB/s
4K Write
Peak 4K Random Write Speed
5.6 MB/s Hugely faster peak random write.
+208%
1.82 MB/s
Mixed
Peak Sequential Mixed IO Speed
157 MB/s 179 MB/s Slightly faster peak mixed IO speed.
+14%
4K Mixed
Peak 4K Random Mixed IO Speed
1.01 MB/s Hugely faster peak random mixed IO.
+304%
0.25 MB/s
Market Share
Based on 8,778,298 HDDs tested.
Market Share
Market Share (trailing 30 days)
0.5 % 0.59 % Higher market share.
+18%
Value
Value For Money
27.7 % 109 % Hugely better value.
+295%
User Rating
UBM User Rating
62 % 83 % Much more popular.
+34%
Price
Price (score)
$87 $75 Slightly cheaper.
+14%
Age
Newest
56 Months 19 Months Much more recent.
+66%
Capacity
Capacity
1TB 3TB
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The ST1000DX001 is a Solid State Hard Drive (SSHD). There is 8GB of MLC NAND flash built into this model which helps facilitate better performance than a purely mechanical drive. The peak sequential read /write speeds of 190 MB/s are around 10% higher than average for a mechanical drive, but no where near typical SSD speeds. We have seen peak 4k write speeds as high as 5.72 MB/s, which is very impressive and to date the highest 4k read speed is 1.24 MB/s which is less impressive but still above average for a top end mechanical drive. The performance increases attributable to the NAND flash are primarily noticeable in the area of small file performance and the Seagate offers only marginally better sequential performance than other mechanical 1TB hard drives. Overall the ST1000DX001 is a very solid performer and bests the group average by 30%. The larger 2TB version (ST2000DX001) has similar performance but represents even better value for money. [Feb '14 HDrivePro]

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The new 3TB Seagate Barracuda 2016 (ST3000DM008) replaces its hugely successful predecessor, the 3TB Barracuda 7200.14 2011 (ST3000DM001). Comparing performance between the two models shows that the newer drive has 12% faster sequential speeds, comparable 4K speeds, improved mixed sequential speed and reduced mixed 4K speed. Overall, the effective speed is 12% faster on the 2016 model. Since there is normally little price difference between the two models the 2016 version is the clear winner especially for use as a backup drive with its impressive sequential read and write speeds of nearly 200 MBps. See the current value leaders here[Feb '17 HDrivePro]

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Hard Drive Rankings (Price vs Performance) April 2018 HDD Rankings.

We calculate effective speed which measures performance for typical consumers. Effective speed is adjusted by current cost per GB to yield value for money. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top HDDs. [HDrivePro]

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Fastest effective speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance, price and capacity.
How Fast Is Your HDD? (Bench your build) Size up your PC in less than a minute.

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.

UserBenchmark of the month

How it works

  • - Download and run UserBenchMark (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - 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 highest voted in class.
  • - Find the best upgrades.
  • - Share your opinion by voting.

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i7-8700K $330Nvidia GTX 1070 $447Samsung 850 Evo 250GB $80
Intel Core i7-7700K $290Nvidia GTX 1060-6GB $300Samsung 850 Evo 500GB $137
AMD Ryzen 5 1600 $170AMD RX 480 $350Samsung 850 Pro 256GB $158
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $183SanDisk Extreme 64GB $70
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $957SanDisk Extreme 32GB $45
Seagate Barracuda 2TB (2016) $36Corsair Vengeance LPX DDR4 3200 C16 2x8GB $195SanDisk Ultra Fit 32GB $12
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