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Seagate ST9500420AS

Momentus 2.5" 500GB

▲ 503 ▼

Release date ≤ Q4 2013.

Average Bench: 42.7% (463rd of 1015)

more Based on 28,031 user benchmarks.  Models: ST9500420AS, Seagate ST9500420AS, ST950042 4AS, ST950042 3AS, ST950042 0ASG, ST9500423AS, ST9500424AS, ST950042 0AS, ST950042 ST9500423AS, ST950042 ST9500420AS, ST950042 ST9500420ASG, ST9500420ASG
Poor: 18%Average: 42.7% Great: 57%

Popular builds with this HDD

Below average average bench

The Seagate Momentus 2.5" 500GB averaged 57.3% 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 0.66MB/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 39.3%. 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 43.7MB/s
Avg. Sustained Write Speed 71.4MB/s
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Average Bench

(Based on 28,031 samples)
Rank 46342.7%
Min Avg Max
18.5 Read 77.3 104
24 Write 72.4 100
19.5 Mixed 43.7 55.8
29.6 SusWrite 71.4 99.6
48.6% 66.2 MB/s
Min Avg Max
0.2 4K Read 0.54 0.7
0.5 4K Write 0.99 1.4
0.27 4K Mixed 0.66 0.8
114% 0.73 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
374GB free
Firmware: 0003HPM1
SusWrite @10s intervals: 87 87 80 71 67 92 MB/s
50.7% Above average
Read 96.2
Write 66.1
Mixed 59.3
SusWrite 80.5
56% 75.5 MB/s
4K Read 0.6
4K Write 1.5
4K Mixed 0.8
142% 0.97 MB/s
386GB free
Firmware: 0002SDM1
SusWrite @10s intervals: 83 98 98 99 95 98 MB/s
46.9% Average
Read 68.2
Write 88.5
Mixed 50.2
SusWrite 95.2
55% 75.5 MB/s
4K Read 0.5
4K Write 0.8
4K Mixed 0.6
102% 0.63 MB/s
394GB free (System drive)
Firmware: 0006HPM1
SusWrite @10s intervals: 69 66 75 70 79 79 MB/s
44.8% Average
Read 83
Write 85.8
Mixed 48.8
SusWrite 73
53% 72.7 MB/s
4K Read 0.6
4K Write 1.3
4K Mixed 0.8
138% 0.9 MB/s
364GB free (System drive)
Firmware: 0003HPM1
SusWrite @10s intervals: 35 40 29 47 51 60 MB/s
29.7% Poor
Read 59.5
Write 43.5
Mixed 39.3
SusWrite 43.9
34% 46.6 MB/s
4K Read 0.5
4K Write 0.6
4K Mixed 0.5
88% 0.53 MB/s
4GB free
Firmware: 0001SDM5
SusWrite @10s intervals: 63 60 62 64 63 60 MB/s
29.7% Poor
Read 41.3
Write 39.6
Mixed 38.5
SusWrite 62
34% 45.3 MB/s
4K Read 0.6
4K Write 0.6
4K Mixed 0.7
114% 0.63 MB/s
38GB free (System drive)
Firmware: 0006HPM1
SusWrite @10s intervals: 48 89 89 91 89 89 MB/s
24.7% Poor
Read 3.8
Write 11.8
Mixed 6.3
SusWrite 82.4
19% 26.1 MB/s
4K Read 0
4K Write 0.2
4K Mixed 0
4% 0.07 MB/s
28,031 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,706,640 HDDs tested.

 Prices

AmazonUS $3611 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 11,800 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 12%
Tree trunk
Desktop
Desktop 43%
Speed boat
Workstation
Workstation 18%
Surfboard

System: HP Pavilion dv6 Notebook PC

CPU
Core i7-2670QMIntel  $200Bench 42%, 32,077 samples1,647x
Core i7-2630QMIntel  $199Bench 39%, 23,850 samples1,271x
Core i7 Q 720Intel  $100Bench 26%, 10,828 samples829x
GPU
HD 3000 (Mobile V1 1.1/1.2 GHz)IntelBench 1%, 115,616 samples3,865x
HD Graphics (Arrandale 0.667/0.766 GHz)IntelBench 1%, 73,039 samples1,199x
HD 4000 (Mobile 1.25 GHz)IntelBench 2%, 271,772 samples760x
SSD
850 Evo 250GBSamsung  $61Bench 105%, 507,744 samples227x
850 Evo 500GBSamsung  $107Bench 111%, 442,547 samples151x
A400 240GBKingston  $32Bench 65%, 102,389 samples149x
RAM
2x2GBUnknownBench 21%, 273,549 samples467x
M471B5273DH0-CH9 2x4GBSamsungBench 43%, 10,492 samples440x
HMT351S6CFR8C-PB 2x4GBHynixBench 51%, 16,313 samples391x
EDIT WITH CUSTOM PC BUILDER Value: 40% - Below average Total price: $261

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) 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]

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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
5,966

Poor (edit your comment) Add link

9 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
38

Good

1 month ago.

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

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 Frequently Asked Questions

Storage Devices FAQ
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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?
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What is sequential read speed?
What is incompressible data?
What is queue depth?
What is 4K random write speed?
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 Best User Rated
The Best.
CPUGPUSSD
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
HDDRAMUSB
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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