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Sandis

Z400s 2.5 7MM 12 128GB

▲ 500 ▼

Release date ≈ Q4 2016.

Average Bench: 53.5% (867th of 1072)

Based on 22 user benchmarks.  Model: SanDis Z400s 2.5 7MM 12
Poor: 46%Average: 53.5% Great: 59%

Average average bench

The Sandis Z400s 2.5 7MM 12 128GB averaged 46.4% 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. Sequential Read Speed 436MB/s
Avg. 4K Random Write Speed 55.6MB/s

Very good consistency

The range of scores (95th - 5th percentile) for the Sandis Z400s 2.5 7MM 12 128GB is just 13%. This is a relatively narrow range which indicates that the Sandis Z400s 2.5 7MM 12 128GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Mixed IO Speed 5.76MB/s
Avg. Sustained Write Speed 165MB/s
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Average Bench

(Based on 22 samples)
Rank 86753.5%
Min Avg Max
355 Read 436 483
153 Write 170 177
143 Mixed 220 260
151 SusWrite 165 172
54.7% 248 MB/s
Min Avg Max
7.7 4K Read 19.1 27.3
22.3 4K Write 55.6 84.8
3.07 4K Mixed 5.76 12
65.8% 26.8 MB/s
Min Avg Max
109 DQ Read 161 197
141 DQ Write 168 178
10.6 DQ Mixed 34.6 77
61.8% 121 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
58GB free (System drive)
Firmware: Z232
SusWrite @10s intervals: 167 171 171 175 175 174 MB/s
58.6% Above average
Read 438
Write 170
Mixed 174
SusWrite 172
53% 239 MB/s
4K Read 21.1
4K Write 68.6
4K Mixed 9.8
81% 33.2 MB/s
DQ Read 169
DQ Write 171
DQ Mixed 12.5
53% 117 MB/s
78GB free (System drive)
Firmware: Z2329012
SusWrite @10s intervals: 162 167 165 173 174 175 MB/s
58.4% Above average
Read 443
Write 168
Mixed 173
SusWrite 169
52% 238 MB/s
4K Read 22.4
4K Write 56
4K Mixed 12
79% 30.1 MB/s
DQ Read 164
DQ Write 174
DQ Mixed 76.4
83% 138 MB/s
40GB free (System drive)
Firmware: Z232
SusWrite @10s intervals: 158 166 159 170 165 175 MB/s
52.9% Above average
Read 404
Write 173
Mixed 143
SusWrite 166
49% 221 MB/s
4K Read 19.1
4K Write 48
4K Mixed 9.7
67% 25.6 MB/s
DQ Read 156
DQ Write 178
DQ Mixed 11.4
52% 115 MB/s
40GB free (System drive)
Firmware: Z232
SusWrite @10s intervals: 153 154 160 172 176 175 MB/s
52.9% Above average
Read 393
Write 174
Mixed 157
SusWrite 165
49% 222 MB/s
4K Read 20.1
4K Write 47.3
4K Mixed 9.9
68% 25.8 MB/s
DQ Read 159
DQ Write 178
DQ Mixed 10.6
52% 116 MB/s
81GB free (System drive)
Firmware: Z2329012
SusWrite @10s intervals: 157 161 166 163 174 173 MB/s
52% Above average
Read 426
Write 168
Mixed 167
SusWrite 166
51% 232 MB/s
4K Read 11
4K Write 62.1
4K Mixed 8.9
61% 27.3 MB/s
DQ Read 161
DQ Write 166
DQ Mixed 76.5
82% 134 MB/s
68GB free (System drive)
Firmware: Z2329012
SusWrite @10s intervals: 160 163 164 152 169 165 MB/s
46.7% Average
Read 361
Write 162
Mixed 164
SusWrite 162
47% 212 MB/s
4K Read 10.5
4K Write 43.4
4K Mixed 9.3
51% 21.1 MB/s
DQ Read 161
DQ Write 170
DQ Mixed 77
82% 136 MB/s
77GB free (System drive)
Firmware: Z2329012
SusWrite @10s intervals: 147 146 149 150 154 159 MB/s
43.4% Average
Read 355
Write 153
Mixed 162
SusWrite 151
45% 205 MB/s
4K Read 13.1
4K Write 28.3
4K Mixed 8.7
46% 16.7 MB/s
DQ Read 150
DQ Write 141
DQ Mixed 71.4
74% 121 MB/s
22 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,658,497 SSDs tested

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Solid State Drive Rankings (Price vs Performance) April 2024 SSD Rankings

Welcome to our 2.5" and M.2 SSD comparison. We calculate effective speed for both SATA and NVMe drives based on real world performance then adjust by current prices per GB to yield a value for money rating. 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 SSDs. [SSDrivePro]

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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.

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

 Frequently Asked Questions

Storage Devices FAQ
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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $134Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $184Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
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