TEST
YOUR HDD
ADD TO PC
BUILD

Seagate ST9500420AS

Momentus 2.5" 500GB

▲ 502 ▼

Release date ≤ Q4 2013.

VS

Average Bench: 42.3% (463rd of 1015)

more Based on 29,339 user benchmarks.  Models: ST9500420AS, Seagate ST9500420AS, ST950042 4AS, ST950042 3AS, ST950042 0ASG, ST9500423AS, ST9500424AS, ST950042 0AS, ST950042 ST9500423AS, ST950042 ST9500420AS, ST950042 ST9500420ASG, ST9500420ASG
Poor: 16%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 0.64MB/s
Avg. 4K Random Read Speed 0.53MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Seagate Momentus 2.5" 500GB is 42.3%. 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 43.4MB/s
Avg. Sustained Write Speed 70.9MB/s
ADVERTISEMENT

Average Bench

(Based on 29,339 samples)
Rank 46342.3%
Min Avg Max
17.5 Read 76.6 105
25.4 Write 71.9 99.9
20 Mixed 43.4 57.2
25.5 SusWrite 70.9 102
48.2% 65.7 MB/s
Min Avg Max
0.2 4K Read 0.53 0.7
0.5 4K Write 0.99 1.4
0.2 4K Mixed 0.64 0.8
112% 0.72 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
450GB free
Firmware: 0006HPM1
SusWrite @10s intervals: 101 101 99 99 100 100 MB/s
57.6% Above average
Read 101
Write 96.3
Mixed 51.8
SusWrite 99.9
64% 87.3 MB/s
4K Read 0.6
4K Write 0.8
4K Mixed 0.7
118% 0.7 MB/s
466GB free
Firmware: 0006HPM1
SusWrite @10s intervals: 98 103 101 104 104 104 MB/s
56.9% Above average
Read 96
Write 75.7
Mixed 50.8
SusWrite 102
60% 81.2 MB/s
4K Read 0.6
4K Write 1
4K Mixed 0.8
132% 0.8 MB/s
351GB free
Firmware: 0002SDM1
SusWrite @10s intervals: 92 90 93 93 94 93 MB/s
54.7% Above average
Read 98.3
Write 87.3
Mixed 43.6
SusWrite 92.4
59% 80.4 MB/s
4K Read 0.7
4K Write 1
4K Mixed 0.6
114% 0.77 MB/s
453GB free
Firmware: 0001SDM5
SusWrite @10s intervals: 88 88 90 90 91 90 MB/s
51.3% Above average
Read 89.5
Write 66.8
Mixed 52.5
SusWrite 89.3
55% 74.5 MB/s
4K Read 0.6
4K Write 0.7
4K Mixed 0.6
105% 0.63 MB/s
441GB free (System drive)
Firmware: SDM1
SusWrite @10s intervals: 71 80 83 89 90 91 MB/s
50.6% Above average
Read 92.3
Write 89
Mixed 45.7
SusWrite 84
57% 77.8 MB/s
4K Read 0.6
4K Write 0.9
4K Mixed 0.7
119% 0.73 MB/s
218GB free
Firmware: 0006HPM1
SusWrite @10s intervals: 79 81 82 80 83 82 MB/s
50.4% Above average
Read 94.7
Write 85.8
Mixed 50.2
SusWrite 81.1
57% 77.9 MB/s
4K Read 0.6
4K Write 1
4K Mixed 0.8
132% 0.8 MB/s
281GB free
Firmware: 0002DEM1
SusWrite @10s intervals: 74 75 74 75 75 75 MB/s
48.2% Average
Read 93.5
Write 62.6
Mixed 50.8
SusWrite 74.7
52% 70.4 MB/s
4K Read 0.6
4K Write 0.7
4K Mixed 0.6
105% 0.63 MB/s
248GB free
Firmware: 0003HPM1
SusWrite @10s intervals: 85 83 83 86 86 85 MB/s
47.9% Average
Read 82.2
Write 81.5
Mixed 46.7
SusWrite 84.7
54% 73.8 MB/s
4K Read 0.6
4K Write 1
4K Mixed 0.8
132% 0.8 MB/s
399GB free (System drive)
Firmware: 0002DEM1
SusWrite @10s intervals: 50 52 21 44 48 38 MB/s
22.1% Poor
Read 35.1
Write 47.4
Mixed 29
SusWrite 42.1
28% 38.4 MB/s
4K Read 0
4K Write 0.6
4K Mixed 0.6
78% 0.4 MB/s
29,339 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 19,798,173 HDDs tested.

 Prices

AmazonUS $3622 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 10,900 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 38%, 29,052 samples1,511x
Core i7-2630QMIntel  $199Bench 36%, 23,393 samples1,180x
Core i7 Q 720Intel  $100Bench 23%, 10,430 samples765x
GPU
HD 3000 (Mobile V1 1.1/1.2 GHz)IntelBench 2%, 111,397 samples3,557x
HD Graphics (Arrandale 0.667/0.766 GHz)IntelBench 1%, 66,407 samples1,095x
HD 4000 (Mobile 1.25 GHz)IntelBench 3%, 252,591 samples714x
SSD
850 Evo 250GBSamsung  $80Bench 104%, 476,048 samples216x
850 Evo 500GBSamsung  $105Bench 112%, 383,604 samples141x
A400 240GBKingston  $32Bench 63%, 83,619 samples115x
RAM
2x2GBUnknownBench 20%, 237,266 samples436x
M471B5273DH0-CH9 2x4GBSamsungBench 43%, 10,218 samples404x
HMT351S6CFR8C-PB 2x4GBHynixBench 51%, 14,618 samples366x
EDIT WITH CUSTOM PC BUILDER Value: 35% - Below average Total price: $280

Popular Momentus 2.5" 500GB systems:

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

Gaming Desktop Workstation

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) September 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]

ADVERTISEMENT

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
5,552

Poor (edit your comment) Add link

6 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.

Your
opinion?
▲Like ▼Dislike
Ready to retire
Age: 5 years

Speed Comparisons

vs Seagate Barracuda 1TB (2016)
vs WD Blue 1TB (2012)
vs Seagate Barracuda 3TB (2016)
vs Seagate Barracuda 2TB (2016)
vs Seagate Barracuda 7200.14 1TB
vs WD Black 1TB (2013)
vs Seagate Barracuda 4TB (2016)
vs WD Black 2TB (2013)
vs WD Black 6TB (2015)

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

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?
How big is 16GB?
What does MBps mean?
Hard Drives
What is the Hard Drive value for money rating?
What is effective Hard Drive speed?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-9400F $140Nvidia GTX 1660 $220Samsung 850 Evo 250GB $80
Intel Core i5-9600K $219Nvidia GTX 1660-Ti $278Samsung 850 Evo 500GB $105
Intel Core i7-9700K $350Nvidia RTX 2060 $330Samsung 850 Pro 256GB $219
HDDRAMUSB
Seagate Barracuda 1TB (2016) $42Corsair Vengeance LPX DDR4 3000 C15 2x8GB $78SanDisk Extreme 64GB $88
WD Blue 1TB (2012) $34G.SKILL Trident Z DDR4 3200 C14 4x16GB $618SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $80Corsair Vengeance LPX DDR4 3200 C16 2x8GB $83SanDisk Extreme 16GB $24
Today's hottest
Amazon Ebay
deals
CPU GPU SSD HDD USB RAM MBD
Test your PC Build a PC
Can You Run It?
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer Feedback