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Seagate ST9500420AS

Momentus 2.5" 500GB

▲ 506 ▼

Release date ≤ Q4 2013.

Average Bench: 42.3% (456th of 1015)

more Based on 47,332 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: 18%Average: 42.3% Great: 58%

Popular builds with this HDD

Below average average bench

The Seagate Momentus 2.5" 500GB averaged 57.6% 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

Above average consistency

The range of scores (95th - 5th percentile) for the Seagate Momentus 2.5" 500GB is 39.9%. 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 44.2MB/s
Avg. Sequential Write Speed 72.3MB/s
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Average Bench

(Based on 47,332 samples)
Rank 45642.3%
Min Avg Max
17.5 Read 74.6 101
23.7 Write 72.3 98.8
18.7 Mixed 44.2 57.2
28.8 SusWrite 72.9 103
48.5% 66 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 BenchSequentialRandom 4kDeep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
464GB free
Firmware: D005SDM1
SusWrite @10s intervals: 92 99 101 101 101 99 MB/s
57% Above average
Read 99.9
Write 99.4
Mixed 45.7
SusWrite 98.9
63% 86 MB/s
4K Read 0.6
4K Write 1.1
4K Mixed 0.8
134% 0.83 MB/s
454GB free
Firmware: 0006HPM1
SusWrite @10s intervals: 95 98 98 97 97 97 MB/s
55.3% Above average
Read 95.8
Write 96.7
Mixed 51.6
SusWrite 96.9
62% 85.2 MB/s
4K Read 0.6
4K Write 1.2
4K Mixed 0.8
136% 0.87 MB/s
334GB free
Firmware: 0003LVM1
SusWrite @10s intervals: 89 90 90 90 92 92 MB/s
51.7% Above average
Read 89.8
Write 90.7
Mixed 48.9
SusWrite 90.5
59% 80 MB/s
4K Read 0.6
4K Write 0.8
4K Mixed 0.6
106% 0.67 MB/s
293GB free
Firmware: 0005DEM1
SusWrite @10s intervals: 79 79 79 81 79 81 MB/s
44.4% Average
Read 75.4
Write 78.4
Mixed 47.8
SusWrite 79.4
52% 70.2 MB/s
4K Read 0.5
4K Write 0.7
4K Mixed 0.6
100% 0.6 MB/s
229GB free
Firmware: 0002SDM1
SusWrite @10s intervals: 59 58 58 59 59 59 MB/s
41.5% Average
Read 86
Write 75.1
Mixed 45
SusWrite 58.6
49% 66.2 MB/s
4K Read 0.7
4K Write 1.2
4K Mixed 0.8
140% 0.9 MB/s
119GB free
Firmware: 0003SDM1
SusWrite @10s intervals: 57 56 57 55 57 68 MB/s
41.3% Average
Read 85.5
Write 85.1
Mixed 44.7
SusWrite 58.3
50% 68.4 MB/s
4K Read 0.6
4K Write 1.2
4K Mixed 0.8
136% 0.87 MB/s
142GB free (System drive)
Firmware: 0003LVM1
SusWrite @10s intervals: 49 58 58 56 56 69 MB/s
35.9% Below average
Read 67.3
Write 63.8
Mixed 36.7
SusWrite 57.6
41% 56.3 MB/s
4K Read 0.5
4K Write 1.3
4K Mixed 0.7
123% 0.83 MB/s
203GB free (System drive)
Firmware: 0003DEM1
SusWrite @10s intervals: 44 67 60 52 32 48 MB/s
28% Poor
Read 47
Write 69.2
Mixed 26.4
SusWrite 50.5
35% 48.3 MB/s
4K Read 0.2
4K Write 0.7
4K Mixed 0.4
66% 0.43 MB/s
47,332 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 53,348,599 HDDs tested

 Prices

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AmazonUS $4921 mins
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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 2,433 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 2%
Tree trunk
Desktop
Desktop 51%
Yacht
Workstation
Workstation 2%
Tree trunk

System: HP Pavilion dv6 Notebook PC

CPU
Core i7-2670QMIntel  $200Bench 56%, 51,169 samples337x
Core i7-2630QMIntel  $199Bench 55%, 39,605 samples256x
Core i7-3610QMIntel  $300Bench 62%, 38,575 samples181x
GPU
HD 3000 (Mobile V1 1.1/1.2 GHz)IntelBench 2%, 209,058 samples840x
HD Graphics (Arrandale 0.667/0.766 GHz)IntelBench 1%, 99,513 samples384x
HD 4000 (Mobile 1.25 GHz)IntelBench 3%, 409,110 samples184x
SSD
A400 240GBKingston  $28Bench 66%, 424,288 samples92x
A400 480GBKingston  $38Bench 74%, 237,487 samples43x
MX500 500GBCrucial  $50Bench 106%, 237,241 samples40x
RAM
2x2GBUnknownBench 20%, 446,702 samples111x
M471B5273DH0-CH9 2x4GBSamsungBench 43%, 15,815 samples82x
M471B5673EH1-CH9 2x2GBSamsungBench 27%, 1,322 samples70x
EDIT WITH CUSTOM PC BUILDER Value: 57% - Above average Total price: $228

Popular Momentus 2.5" 500GB systems:

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Hard Drive Rankings (Price vs Performance) May 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

Added n/a ago.
USA-User
Avatar level
9,840

Poor (edit your comment) Add link

5 years 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
50

Good

4 years ago.

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

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Age: 10 years

Speed Comparisons

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 Frequently Asked Questions

Storage Devices FAQ
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
What’s the difference between NAND and V-NAND?
What is sequential write speed?
What is sequential read speed?
What is incompressible data?
What is queue depth?
What is 4K random write speed?
What is 4K random read speed?
What is AS SSD real world copy speed?
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ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $254Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $163Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $48SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $79G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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