Average Bench: 43.2% (445th of 1015)

Based on 607 user benchmarks.  Model: Seagate BUP Slim SL

Below average average bench

The Seagate BUP Slim SL 1.5TB averaged 56.8% 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 0.57MB/s
Avg. 4K Random Write Speed 2.27MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Seagate BUP Slim SL 1.5TB is 50.4%. This is a relatively wide range which indicates that the Seagate BUP Slim SL 1.5TB performs inconsistently under varying real world conditions.


Avg. Sequential Write Speed 71.6MB/s
Avg. Sequential Mixed IO Speed 61.3MB/s

Average Bench

(Based on 607 samples)
Min Avg Max
27 Read 73 113
23.2 Write 71.6 122
24.8 Mixed 61.3 113
20.7 SusWrite 74.8 121
51.9% 70.2 MB/s
Min Avg Max
0.36 4K Read 0.68 1.5
0.8 4K Write 2.27 4.12
0.2 4K Mixed 0.57 1
134% 1.17 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
1TB free
Firmware: 0302
SusWrite @10s intervals: 123 123 116 125 126 121 MB/s
Read 104
Write 125
Mixed 94.5
SusWrite 122
82% 111 MB/s
4K Read 2.2
4K Write 3.3
4K Mixed 0.8
242% 2.1 MB/s
1TB free
Firmware: 0302
SusWrite @10s intervals: 101 102 102 102 102 102 MB/s
Read 100
Write 74.7
Mixed 57.3
SusWrite 102
61% 83.5 MB/s
4K Read 0.6
4K Write 1.9
4K Mixed 0.9
160% 1.13 MB/s
42GB free
Firmware: 0302
SusWrite @10s intervals: 87 86 90 89 86 91 MB/s
Read 92.5
Write 62.5
Mixed 50.7
SusWrite 88.2
54% 73.5 MB/s
4K Read 0.7
4K Write 1.8
4K Mixed 0.9
162% 1.13 MB/s
607 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,706,215 HDDs tested.

Typical BUP Slim SL 1.5TB Builds (Compare 23,211 builds) See popular component choices, score breakdowns and rankings.
Gaming 61%
Desktop 111%
Workstation 97%
Nuclear submarine

Motherboard: Gigabyte X470 AORUS ULTRA GAMING - $190

EDIT WITH CUSTOM PC BUILDER Value: 88% - Excellent Total price: $683

Popular BUP Slim SL 1.5TB compatible motherboards:

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) December 2019 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 i5-9400F $145Nvidia GTX 1660S (Super) $244Crucial MX500 250GB $39
Intel Core i5-9600K $200Nvidia RTX 2060 $324Samsung 850 Evo 120GB $150
Intel Core i7-9700K $360AMD RX 590 $180Samsung 860 Evo 250GB $54
Seagate Barracuda 1TB (2016) $32Corsair Vengeance LPX DDR4 3200 C16 2x8GB $76SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3000 C15 2x8GB $58SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $613SanDisk Extreme 16GB $24
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