Average Bench: 55.6% (241st of 1014)

Based on 124 user benchmarks.  Model: SEAGATE ST3146855SS

Average average bench

The Seagate ST3146855SS 147GB averaged 44.4% 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.

Strengths

Avg. 4K Random Mixed IO Speed 1.09MB/s
Avg. 4K Random Read Speed 1.25MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Seagate ST3146855SS 147GB is 35.9%. This is a relatively wide range which indicates that the Seagate ST3146855SS 147GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 77.8MB/s
Avg. Sequential Write Speed 96.2MB/s
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Average Bench

(Based on 124 samples)
Min Avg Max
39 Read 103 123
48.5 Write 96.2 123
46 Mixed 82.6 120
31 SusWrite 77.8 121
66.7% 89.9 MB/s
Min Avg Max
0.7 4K Read 1.25 1.5
0.8 4K Write 2.45 3.28
0.52 4K Mixed 1.09 1.6
218% 1.6 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
137GB free
Firmware: S515
SusWrite @10s intervals: 62 62 62 62 62 62 MB/s
Read 125
Write 61.9
Mixed 68.9
SusWrite 62.3
59% 79.4 MB/s
4K Read 1.4
4K Write 1.2
4K Mixed 1.2
214% 1.27 MB/s
51GB free (System drive)
Firmware: S513
SusWrite @10s intervals: 51 46 55 56 58 60 MB/s
Read 106
Write 57.5
Mixed 61.5
SusWrite 54.4
52% 69.9 MB/s
4K Read 1.3
4K Write 1.1
4K Mixed 1.2
208% 1.2 MB/s
63GB free
Firmware: S515
SusWrite @10s intervals: 32 38 35 34 33 37 MB/s
Read 110
Write 105
Mixed 69.4
SusWrite 34.7
59% 79.9 MB/s
4K Read 1.3
4K Write 3.2
4K Mixed 1.5
280% 2 MB/s
63GB free
Firmware: S515
SusWrite @10s intervals: 30 33 32 32 32 32 MB/s
Read 110
Write 105
Mixed 69.1
SusWrite 32
58% 79.1 MB/s
4K Read 1.4
4K Write 3.3
4K Mixed 1.5
286% 2.07 MB/s
80GB free (System drive)
Firmware: S513
SusWrite @10s intervals: 30 31 40 47 39 27 MB/s
Read 35
Write 33.6
Mixed 33.5
SusWrite 35.5
26% 34.4 MB/s
4K Read 0.6
4K Write 0.6
4K Mixed 0.8
125% 0.67 MB/s
124 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 53,310,745 HDDs tested

Typical ST3146855SS 147GB Builds (Compare 205 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 31%
Sail boat
Desktop
Desktop 58%
Gunboat
Workstation
Workstation 27%
Raft

System: Dell Precision WorkStation T7400

EDIT WITH CUSTOM PC BUILDER Value: 54% - Above average Total price: $238

Popular ST3146855SS 147GB systems:

How Fast Is Your HDD? (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
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Hard Drive Rankings (Price vs Performance) April 2024 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.
  • 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.

 Comments

1014 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.
CPUGPUSSD
Intel Core i5-13600K $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $182Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair 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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