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Seagate ST9500420AS

Momentus 2.5" 500GB

▲ 503 ▼

Release date ≤ Q4 2013.

Average Bench: 43.4% (445th of 1015)

more Based on 33,647 user benchmarks.  Models: ST9500420AS, Seagate ST9500420AS, ST950042 4AS, ST950042 3AS, ST950042 0ASG, ST9500423AS, ST9500424AS, ST950042 ST9500424AS, ST950042 0AS, ST950042 ST9500423AS, ST950042 ST9500420AS, ST950042 ST9500420ASG, ST9500420ASG
Poor: 16%Average: 43.4% Great: 58%

Popular builds with this HDD

Below average average bench

The Seagate Momentus 2.5" 500GB averaged 56.6% 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 0.65MB/s
Avg. 4K Random Read Speed 0.54MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Seagate Momentus 2.5" 500GB is 41.9%. This is a relatively wide range which indicates that the Seagate Momentus 2.5" 500GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 44MB/s
Avg. Sustained Write Speed 72.6MB/s
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Average Bench

(Based on 33,647 samples)
Rank 44543.4%
Min Avg Max
16.7 Read 78.6 104
24.9 Write 75.3 100
21.3 Mixed 44 56.5
30.1 SusWrite 72.6 102
49.6% 67.6 MB/s
Min Avg Max
0.2 4K Read 0.54 0.7
0.5 4K Write 0.97 1.4
0.3 4K Mixed 0.65 0.8
113% 0.72 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
465GB free
Firmware: 0006HPM1
SusWrite @10s intervals: 102 102 103 103 102 104 MB/s
57.1% Above average
Read 96.3
Write 96
Mixed 54.3
SusWrite 103
64% 87.3 MB/s
4K Read 0.7
4K Write 1.2
4K Mixed 0.8
140% 0.9 MB/s
387GB free
Firmware: 0003SDM1
SusWrite @10s intervals: 91 93 88 92 94 94 MB/s
53% Above average
Read 92.7
Write 79.9
Mixed 47
SusWrite 92.1
57% 77.9 MB/s
4K Read 0.6
4K Write 1.4
4K Mixed 0.9
151% 0.97 MB/s
159GB free
Firmware: 0003HPM1
SusWrite @10s intervals: 73 74 74 74 74 75 MB/s
48.1% Average
Read 93.7
Write 63
Mixed 54.5
SusWrite 74
53% 71.3 MB/s
4K Read 0.6
4K Write 0.8
4K Mixed 0.6
106% 0.67 MB/s
14GB free (System drive)
Firmware: 0003SDM1
SusWrite @10s intervals: 34 44 32 46 60 58 MB/s
32.5% Below average
Read 67.5
Write 66.5
Mixed 44
SusWrite 45.6
41% 55.9 MB/s
4K Read 0.4
4K Write 0.9
4K Mixed 0.6
100% 0.63 MB/s
367GB free (System drive)
Firmware: 0002
SusWrite @10s intervals: 17 26 37 57 62 35 MB/s
13.2% Very poor
Read 6.8
Write 10.8
Mixed 17.8
SusWrite 39.1
14% 18.6 MB/s
4K Read 0.1
4K Write 0.6
4K Mixed 0.3
49% 0.33 MB/s
33,647 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 27,349,752 HDDs tested.

 Prices

AmazonUS $3525 mins
Send price feedback
Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money.

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical Momentus 2.5" 500GB Builds (Compare 14,553 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 12%
Tree trunk
Desktop
Desktop 57%
Gunboat
Workstation
Workstation 23%
Surfboard

System: HP Pavilion dv6 Notebook PC

CPU
Core i7-2670QMIntel  $200Bench 60%, 34,965 samples2,029x
Core i7-2630QMIntel  $199Bench 59%, 27,019 samples1,566x
Core i7 Q 720Intel  $100Bench 53%, 12,412 samples1,047x
GPU
HD 3000 (Mobile V1 1.1/1.2 GHz)IntelBench 1%, 140,092 samples4,801x
HD Graphics (Arrandale 0.667/0.766 GHz)IntelBench 1%, 86,263 samples1,504x
Radeon HD 6500MAMDBench 3%, 10,183 samples916x
SSD
850 Evo 250GBSamsung  $75Bench 104%, 662,032 samples266x
A400 240GBKingston  $32Bench 61%, 150,261 samples217x
850 Evo 500GBSamsung  $140Bench 110%, 469,351 samples178x
RAM
2x2GBUnknownBench 20%, 321,940 samples588x
M471B5273DH0-CH9 2x4GBSamsungBench 43%, 11,903 samples550x
HMT351S6CFR8C-PB 2x4GBHynixBench 50%, 18,147 samples455x
EDIT WITH CUSTOM PC BUILDER Value: 52% - Above average Total price: $275

Popular Momentus 2.5" 500GB systems:

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  • - CPU tests include: integer, floating and string.
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Hard Drive Rankings (Price vs Performance) June 2020 HDD Rankings.

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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

Added n/a ago.
USA-User
Avatar level
6,544

Poor (edit your comment) Add link

15 months ago.

It's a little louder, buzzier and hotter than other HDD. Pretty slow, but that could be because I have it in a USB 2.0 enclosure.

evander321
Avatar level
48

Good

7 months ago.

This is barely fast enough to be used as a hard drive to have games on

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Speed Comparisons

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 Frequently Asked Questions

Storage Devices FAQ
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What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
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What is sequential read speed?
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What is 4K random write speed?
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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-9400F $150Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $49
Intel Core i5-9600K $199Nvidia GTX 1650S (Super) $160Samsung 850 Evo 120GB $78
Intel Core i7-9700K $345Nvidia RTX 2070S (Super) $500Samsung 850 Pro 512GB $240
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $74SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Ultra Fit 32GB $16
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