Real World Speed
Performance profile from 119,845 user samples
119,845 User Benchmarks
Best Bench: 104% 931GB free
Worst Bench: 60% 101GB free
Poor: 60% Great: 104%
SPEED RANK: 59th / 995
Effective Speed
Effective HDD Speed
84.9 % 92.3 % Slightly faster effective speed.
Avg. Sequential Read Speed
149 MB/s 163 MB/s Slightly faster read speed.
Avg. Sequential Write Speed
147 MB/s 159 MB/s Slightly faster write speed.
4K Read
Avg. 4K Random Read Speed
0.52 MB/s 1.07 MB/s Hugely faster random read.
4K Write
Avg. 4K Random Write Speed
1.58 MB/s 1.96 MB/s Faster random write.
Avg. Sequential Mixed IO Speed
133 MB/s 142 MB/s Slightly faster mixed IO speed.
4K Mixed
Avg. 4K Random Mixed IO Speed
0.17 MB/s 0.26 MB/s Much faster random mixed IO.
Peak Sequential Read Speed
181 MB/s 198 MB/s Slightly faster peak read speed.
Peak Sequential Write Speed
185 MB/s 192 MB/s +4%
4K Read
Peak 4K Random Read Speed
0.76 MB/s 1.73 MB/s Hugely faster peak random read.
4K Write
Peak 4K Random Write Speed
2.02 MB/s 2.4 MB/s Faster peak random write.
Peak Sequential Mixed IO Speed
179 MB/s +2% 175 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
0.22 MB/s 0.35 MB/s Much faster peak random mixed IO.
Market Share
Based on 8,299,772 HDDs tested.
User Rating
UBM User Rating
60 % 76.8 % More popular.
Market Share
Market Share (trailing 30 days)
3.44 % Much higher market share.
2.52 %
Price (score)
$40 Hugely cheaper.
104 USD
Value For Money
60.1 % 66.6 % Slightly better value.
62 Months 39.6 Months Much more recent.
1TB   —

The 1TB Toshiba DT01ACA100 is a 3.5" desktop hard drive. With a rotation speed of 7,200 RPM and peak/idle power consumption of 6.4/3.7 Watts the DT01ACA100 is a reasonably power efficient desktop drive. The DT01ACA100 has peak sequential read/write speeds of 175 MBps and peak 4k read/write speeds of 0.76/2.06 MBps. These figures produce an overall effective speed of 132 MBps which places it around the middle of the 1TB pack in terms of typical consumer performance. The larger capacity variants of this drive are both faster and offer better value for money[Nov '14 HDrivePro]


Hard Drive Rankings (Price vs Performance) March 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]


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
  • - 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.
Intel Core i7-8700K $330Nvidia GTX 1070 $447Samsung 850 Evo 250GB $85
Intel Core i7-7700K $290Nvidia GTX 1060-6GB $335Samsung 850 Evo 500GB $150
AMD Ryzen 5 1600 $188AMD RX 480 $400Samsung 850 Pro 256GB $146
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $190SanDisk Extreme 64GB $44
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $931SanDisk Extreme 32GB $23
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $216SanDisk Extreme 16GB $18
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