Average Bench: 48.2% (358th of 984)

Based on 2,671 user benchmarks.  Models: ST95005620AS, Seagate ST95005620AS, 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 51.7% 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 0.27MB/s
Avg. 4K Random Read Speed 0.54MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Seagate Momentus XT SSHD 2.5" 500GB is 23.4%. 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 83.7MB/s
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Average Bench

(Based on 2,671 samples)
Min Avg Max
59.2 Read 84.5 104
60.7 Write 83.7 104
48.3 Mixed 77.3 97.8
61.5% 81.8 MB/s
Min Avg Max
0.23 4K Read 0.54 0.75
0.57 4K Write 0.92 1.3
0.17 4K Mixed 0.27 0.35
70% 0.58 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
423GB free
Firmware: SD28 Max speed: SATA 2.0 300 MB/s
SYSTEM NCQ 7200 RPM 4KALIGNED S.M.A.R.T
Read 99.1
Write 101
Mixed 95.5
74% 98.5 MB/s
4K Read 0.54
4K Write 1.12
4K Mixed 0.29
75% 0.65 MB/s
398GB free
Firmware: SD28 Max speed: SATA 2.0 300 MB/s
NCQ 7200 RPM 4KALIGNED S.M.A.R.T
Read 99.4
Write 92.8
Mixed 93
72% 95.1 MB/s
4K Read 0.73
4K Write 1.27
4K Mixed 0.33
91% 0.78 MB/s
53GB free
Firmware: SD28 Max speed: SATA 2.0 300 MB/s
NCQ 7200 RPM 4KALIGNED S.M.A.R.T
Read 94.6
Write 94.5
Mixed 94.2
71% 94.4 MB/s
4K Read 0.53
4K Write 0.99
4K Mixed 0.29
73% 0.61 MB/s
348GB free
Firmware: SD25 Max speed: SATA 2.0 300 MB/s
NCQ 7200 RPM 4KALIGNED S.M.A.R.T
Read 88.3
Write 87.8
Mixed 88.9
67% 88.3 MB/s
4K Read 0.39
4K Write 1.34
4K Mixed 0.28
72% 0.67 MB/s
326GB free
Firmware: SD28 Max speed: SATA 2.0 300 MB/s
SYSTEM NCQ 7200 RPM 4KALIGNED S.M.A.R.T
Read 76.1
Write 74.2
Mixed 71.9
56% 74.1 MB/s
4K Read 0.66
4K Write 0.91
4K Mixed 0.31
79% 0.63 MB/s
64GB free
Firmware: SD28
4KALIGNED
Read 56.9
Write 62.3
Mixed 56.7
44% 58.6 MB/s
4K Read 0.75
4K Write 1.02
4K Mixed 0.31
84% 0.69 MB/s
2,671 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 5,345,504 HDDs tested.

 Prices

AmazonUS $44.009 secs ago.
EbayUS $44.658 mins ago.
NeweggUS $140.985 hrs ago.
Send price feedback
EDIT WITH CUSTOM PC BUILDER Value: 65% - Good Total price: $287

Popular Momentus XT SSHD 2.5" 500GB systems:

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Welcome to our consumer Hard Drive comparison. We calculate effective speed which measures performance for typical consumers. Effective speed is adjusted by cost per GB to yield value for money. Calculated values don't always tell the whole picture so we check them against thousands of individual user ratings. The customizable table below combines these factors and more to bring you the definitive list of top HDDs. Share your opinion by voting. [HDrivePro]

 Comments

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

Added 3 years ago.

Liked

7 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

3 years ago.


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