Average Bench: 61.5% (495th of 869)

Based on 9,137 user benchmarks.  Models: ADAT SP550, ADATA SP550, ADATA SP 550

Above average average bench

The Adata Premier SP550 120GB averaged 38.5% 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 Read Speed 25.4MB/s
Avg. Sequential Read Speed 472MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Adata Premier SP550 120GB is 28.5%. This is a relatively narrow range which indicates that the Adata Premier SP550 120GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Mixed IO Speed 29MB/s
Avg. Sequential Write Speed 203MB/s
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Average Bench

(Based on 9,137 samples)
Min Avg Max
405 Read 472 495
174 Write 203 247
191 Mixed 232 264
66.2% 302 MB/s
Min Avg Max
17 4K Read 25.4 35.4
20.8 4K Write 43.9 62.4
8.68 4K Mixed 16.3 24.8
82.6% 28.5 MB/s
Min Avg Max
20.9 DQ Read 148 280
33.9 DQ Write 110 172
8.81 DQ Mixed 29 50.3
48.9% 95.8 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
103GB free
Firmware: O1230C Max speed: SATA 3.0 600 MB/s
NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 495
Write 238
Mixed 259
73% 331 MB/s
4K Read 35.3
4K Write 52.8
4K Mixed 26.5
116% 38.2 MB/s
DQ Read 307
DQ Write 170
DQ Mixed 52.6
89% 177 MB/s
46GB free
Firmware: O0803B5a Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 469
Write 244
Mixed 238
70% 317 MB/s
4K Read 33
4K Write 47.8
4K Mixed 28
111% 36.3 MB/s
DQ Read 270
DQ Write 146
DQ Mixed 58
83% 158 MB/s
75GB free
Firmware: O0803B5a Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 468
Write 238
Mixed 233
69% 313 MB/s
4K Read 29.2
4K Write 45.2
4K Mixed 27.6
104% 34 MB/s
DQ Read 266
DQ Write 142
DQ Mixed 55.9
81% 154 MB/s
52GB free
Firmware: O0730A Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 485
Write 189
Mixed 235
66% 303 MB/s
4K Read 23.1
4K Write 48.5
4K Mixed 12.7
77% 28.1 MB/s
DQ Read 28.1
DQ Write 62
DQ Mixed 12.8
19% 34.3 MB/s
77GB free
Firmware: O1230C Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 491
Write 211
Mixed 240
69% 314 MB/s
4K Read 18
4K Write 32.9
4K Mixed 9.13
56% 20 MB/s
DQ Read 22.1
DQ Write 31.3
DQ Mixed 8.95
12% 20.8 MB/s
9,137 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 5,263,903 SSDs tested.

 Prices

AmazonUS $773 months
OutletPCUS $1686 months
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Typical Premier SP550 120GB Builds (Compare 2,106 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 64%
Destroyer
Desktop
Desktop 67%
Battle cruiser
Workstation
Workstation 52%
Yacht

Motherboard: Asus H170-PRO - $105

EDIT WITH CUSTOM PC BUILDER Value: 80% - Excellent Total price: $705

Popular Premier SP550 120GB compatible motherboards:

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Solid State Drive Rankings (Price vs Performance) January 2018 SSD Rankings.

Welcome to our consumer SSD comparison. We calculate effective speed based on real world performance then adjust by cost per GB to yield a value for money rating. 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 SSDs. Share your opinion by voting. [SSDrivePro]

 Comments

Controller: Silicon Motion SM2256. Flash Memory: SK Hynix 16nm TLC.

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869 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different SSDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

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