Average Bench: 52.6% (281st of 1015)

Based on 10,250 user benchmarks.  Models: ST31000333AS, ST310003 ST31000333AS, ST 31000333, ST310003 33AS

Average average bench

The Seagate ST31000333AS 1TB averaged 47.4% 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.


Avg. 4K Random Mixed IO Speed 0.8MB/s
Avg. 4K Random Read Speed 0.7MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Seagate ST31000333AS 1TB is 33.6%. This is a relatively narrow range which indicates that the Seagate ST31000333AS 1TB performs reasonably consistently under varying real world conditions.


Avg. Sequential Mixed IO Speed 51.4MB/s
Avg. Sequential Write Speed 79.1MB/s

Average Bench

(Based on 10,250 samples)
Min Avg Max
56.5 Read 93.2 118
21.5 Write 79.1 115
36.8 Mixed 51.4 60.5
55.9 SusWrite 89.9 116
57.5% 78.4 MB/s
Min Avg Max
0.4 4K Read 0.7 0.8
1.1 4K Write 1.53 1.8
0.5 4K Mixed 0.8 1
147% 1.01 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
831GB free
Firmware: CC1H
SusWrite @10s intervals: 112 113 111 114 111 109 MB/s
Read 118
Write 114
Mixed 59.1
SusWrite 112
74% 101 MB/s
4K Read 0.8
4K Write 1.9
4K Mixed 0.9
168% 1.2 MB/s
831GB free
Firmware: CC1H
SusWrite @10s intervals: 112 113 113 112 115 115 MB/s
Read 116
Write 118
Mixed 55.3
SusWrite 113
74% 101 MB/s
4K Read 0.8
4K Write 1.7
4K Mixed 1
176% 1.17 MB/s
263GB free
Firmware: SD35
SusWrite @10s intervals: 85 86 87 83 87 87 MB/s
Read 118
Write 30.1
Mixed 58.8
SusWrite 85.9
54% 73.3 MB/s
4K Read 0.8
4K Write 1.8
4K Mixed 0.8
156% 1.13 MB/s
528GB free
Firmware: SD35
SusWrite @10s intervals: 11 13 14 13 14 20 MB/s
Read 100
Write 12.7
Mixed 28
SusWrite 13.9
28% 38.8 MB/s
4K Read 0.7
4K Write 0.5
4K Mixed 0.6
105% 0.6 MB/s
10,250 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 31,724,093 HDDs tested.


AmazonUS $15816 days
Send price feedback
Typical ST31000333AS 1TB Builds (Compare 158 builds) See popular component choices, score breakdowns and rankings.
Gaming 4%
Tree trunk
Desktop 43%
Speed boat
Workstation 4%
Tree trunk

System: Medionpc MS-7502

EDIT WITH CUSTOM PC BUILDER Value: 38% - Below average Total price: $325

Popular ST31000333AS 1TB systems:

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.
  • - 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.
  • - 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.
  • - Share your opinion by voting.
Hard Drive Rankings (Price vs Performance) October 2020 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.
  • 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.


1015 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different HDDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

 Best User Rated

The Best.
Intel Core i5-9600K $199Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $45
Intel Core i5-9400F $140Nvidia RTX 3080 $700Samsung 850 Evo 120GB $78
Intel Core i5-10600K $260Nvidia RTX 2070S (Super) $510Samsung 860 Evo 250GB $44
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $63SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $69SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $548SanDisk Extreme 16GB $28
Today's hottest deals
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback