Average Bench: 61.8% (478th of 862)

Based on 7,893 user benchmarks.  Models: ADAT SP550, ADATA SP550, ADATA SP 550

Above average average bench

The Adata Premier SP550 120GB averaged 38.1% 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 25.8MB/s
Avg. Sequential Read Speed 469MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Adata Premier SP550 120GB is 30.6%. 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 29.2MB/s
Avg. Sequential Write Speed 204MB/s
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Average Bench

(Based on 7,893 samples)
Min Avg Max
357 Read 469 495
176 Write 204 248
186 Mixed 231 265
66% 301 MB/s
Min Avg Max
17 4K Read 25.8 36.6
22 4K Write 44.8 63
8.71 4K Mixed 16.4 26.5
83.8% 29 MB/s
Min Avg Max
21.3 DQ Read 150 289
36.6 DQ Write 113 176
9.01 DQ Mixed 29.2 51.2
49.6% 97.2 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
46GB free
Firmware: O1230C Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 495
Write 255
Mixed 268
75% 340 MB/s
4K Read 34.8
4K Write 56.4
4K Mixed 27.1
117% 39.4 MB/s
DQ Read 309
DQ Write 179
DQ Mixed 52.2
90% 180 MB/s
95GB free
Firmware: O073 Max speed: SATA 3.0 600 MB/s
NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 480
Write 196
Mixed 230
66% 302 MB/s
4K Read 23.9
4K Write 56.6
4K Mixed 19.3
91% 33.3 MB/s
DQ Read 245
DQ Write 30.2
DQ Mixed 40.4
54% 105 MB/s
30GB free
Firmware: O1230C Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 482
Write 219
Mixed 242
69% 314 MB/s
4K Read 20.7
4K Write 48
4K Mixed 11
71% 26.5 MB/s
DQ Read 257
DQ Write 147
DQ Mixed 11.3
60% 138 MB/s
44GB free
Firmware: O1230C Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 473
Write 252
Mixed 267
73% 331 MB/s
4K Read 20.5
4K Write 19.9
4K Mixed 9.41
54% 16.6 MB/s
DQ Read 33.4
DQ Write 168
DQ Mixed 8.78
34% 70.1 MB/s
48GB free
Firmware: O1230C Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 469
Write 198
Mixed 224
65% 297 MB/s
4K Read 21.5
4K Write 27.8
4K Mixed 9.26
59% 19.5 MB/s
DQ Read 23.1
DQ Write 30
DQ Mixed 9.16
12% 20.8 MB/s
7,893 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 4,441,570 SSDs tested.

 Prices

AmazonUS $77.451 month ago.
OutletPCUS $167.844 months ago.
Send price feedback
Typical Premier SP550 120GB Builds (Compare 1,761 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 - $89

EDIT WITH CUSTOM PC BUILDER Value: 83% - Excellent Total price: $641

Popular Premier SP550 120GB compatible motherboards:

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Solid State Drive Rankings (Price vs Performance) November 2017 SSD Rankings.

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 Comments

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

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