Average Bench: 48% (394th of 1002)

Based on 4,210 user benchmarks.  Models: ST95005620AS, Seagate ST95005620AS, ST95005620AS-9UZ154, ST950056 ST95005620AS, ST950056 20AS

The Momentus XT is a 7200 rpm low power Laptop SSHD (Solid State Hard Drive). The XT is one of the early SSHD models and at nearly four years of age it's now over the hill and struggles to keep up with newer drives. With peak sequential speeds in the region of 100 MB/s the Momentus is approximately 70% slower than the current group leaders. Most SSHDs offer relatively good small file 4K read and write performance but that isn't the case for the Momentus XT which only averages 0.6 MB/s in the random 4K tests. There are far better alternatives currently available for the same money. [Jan '14 HDrivePro]

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Below average average bench

The Seagate Momentus XT SSHD 2.5" 500GB averaged 52.0% 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 0.26MB/s
Avg. 4K Random Read Speed 0.53MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Seagate Momentus XT SSHD 2.5" 500GB is 22.2%. This is a relatively narrow range which indicates that the Seagate Momentus XT SSHD 2.5" 500GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Write Speed 0.92MB/s
Avg. Sequential Write Speed 83.6MB/s
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Average Bench

(Based on 4,210 samples)
Min Avg Max
60.2 Read 83.7 103
61.1 Write 83.6 103
48.7 Mixed 78.3 97.6
61.6% 81.9 MB/s
Min Avg Max
0.26 4K Read 0.53 0.75
0.48 4K Write 0.92 1.3
0.14 4K Mixed 0.26 0.35
68.5% 0.57 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
440GB free
Firmware: SD24 Max speed: SATA 2.0 300 MB/s
NCQ 7200 RPM 4KALIGNED S.M.A.R.T
Read 91.1
Write 86.6
Mixed 87.5
67% 88.4 MB/s
4K Read 0.7
4K Write 0.82
4K Mixed 0.3
78% 0.61 MB/s
218GB free
Firmware: DEM4 Max speed: SATA 2.0 300 MB/s
NCQ 7200 RPM 4KALIGNED S.M.A.R.T
Read 85.8
Write 85.2
Mixed 86.2
65% 85.7 MB/s
4K Read 0.52
4K Write 0.97
4K Mixed 0.28
70% 0.59 MB/s
394GB free
Firmware: SD28 Max speed: SATA 2.0 300 MB/s
NCQ 7200 RPM 4KALIGNED S.M.A.R.T
Read 82.9
Write 83.2
Mixed 89.9
64% 85.4 MB/s
4K Read 0.44
4K Write 1.12
4K Mixed 0.36
79% 0.64 MB/s
42GB free
Firmware: SD23 Max speed: SATA 2.0 300 MB/s
NCQ 7200 RPM 4KALIGNED S.M.A.R.T
Read 71.6
Write 77.8
Mixed 79.5
58% 76.3 MB/s
4K Read 0.46
4K Write 0.67
4K Mixed 0.19
53% 0.44 MB/s
147GB free
Firmware: SD28 Max speed: SATA 2.0 300 MB/s
NCQ 7200 RPM 4KALIGNED S.M.A.R.T
Read 68
Write 78.1
Mixed 79.3
57% 75.1 MB/s
4K Read 0.43
4K Write 0.97
4K Mixed 0.31
70% 0.57 MB/s
44GB free
Firmware: SD28 Max speed: SATA 2.0 300 MB/s
SYSTEM NCQ 7200 RPM 4KALIGNED S.M.A.R.T
Read 78.2
Write 64.5
Mixed 64
52% 68.9 MB/s
4K Read 0.45
4K Write 1.01
4K Mixed 0.28
69% 0.58 MB/s
132GB free
Firmware: SD28
SYSTEM 4KALIGNED
Read 73.2
Write 65.6
Mixed 67.4
52% 68.8 MB/s
4K Read 0.06
4K Write 0.34
4K Mixed 0.26
38% 0.22 MB/s
4,210 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 9,727,707 HDDs tested.

 Prices

Approx. $130 @ launch in May '10
EbayUS $4032 mins
AmazonUS $609 mins
NeweggUS $1418 months
Send price feedback
EDIT WITH CUSTOM PC BUILDER Value: 62% - Good Total price: $303

Popular Momentus XT SSHD 2.5" 500GB systems:

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Hard Drive Rankings (Price vs Performance) June 2018 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.
  • Fastest effective speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance, price and capacity.

 Comments

SSD Speed. HDD Capacity. A Price That Makes Sense....

Added 4 years ago.

Liked

17 months ago.

Comment 

this is a very miss understood HDD (SSHD) , if your using your computer for day to day stuff this is nearly as good as a SSD, most users who access a laptop or even desktop most disk use is read and that is what this HDD is for, 8GB flash cache is Plenty to let the drive auto cache your most used part of the disk and the best thing its automatic no drivers needed as it works at the low level so you do not have to think about it the disk learns it self, I typically only use Seagate SSHD as you can get them for £52 New, other places New typically £60, can be from £30-£50 used (why push the price up on ebay to a price you can buy it for new is silly), Toshiba also do SSHD as well (who knew, random Seagate SSHD search randomly pop up as Toshiba SSHD result but they go for £60-70 so to much for me to use as a replacement HDD for customers)—Sep '14


Terrible

4 years ago.


Good

8 months ago.

Still going strong after 7 years, numerous transfers, and several different operating systems. Originally installed as an upgrade in a 2008 White MacBook, after which it was transferred to a Windows 7 desktop (it also ran Linux for a while), and eventually downgraded to storage. It has since been used for storage in two Windows 10 desktops, including my current build. It's a snail compared to the rest of my machine, but is still a reliable storage device for documents, graphics, music, and videos.


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