Average Bench: 52.8% (811th of 1012)

Based on 419 user benchmarks.  Model: SanDisk Z400s 2.5 7MM 128GB

Average average bench

The Sandisk Z400s 2.5 7MM 128GB averaged 47.2% 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 Write Speed 58.9MB/s
Avg. Sequential Read Speed 437MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Sandisk Z400s 2.5 7MM 128GB is 26.7%. This is a relatively narrow range which indicates that the Sandisk Z400s 2.5 7MM 128GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Mixed IO Speed 6.68MB/s
Avg. Sustained Write Speed 164MB/s
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Average Bench

(Based on 419 samples)
Min Avg Max
342 Read 437 492
151 Write 170 178
156 Mixed 213 259
133 SusWrite 164 176
54.3% 246 MB/s
Min Avg Max
9.4 4K Read 18.9 27
19.3 4K Write 58.9 103
2.83 4K Mixed 6.68 13
68.4% 28.2 MB/s
Min Avg Max
14.6 DQ Read 119 202
41.2 DQ Write 142 178
2.95 DQ Mixed 38.8 78.1
54.8% 100 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
75GB free (System drive)
Firmware: Z2329012
SusWrite @10s intervals: 172 174 176 176 177 174 MB/s
Read 483
Write 163
Mixed 170
SusWrite 175
54% 248 MB/s
4K Read 25.6
4K Write 88.2
4K Mixed 13.7
103% 42.5 MB/s
DQ Read 172
DQ Write 176
DQ Mixed 76.9
85% 142 MB/s
93GB free (System drive)
Firmware: Z2329012
SusWrite @10s intervals: 161 165 171 176 175 176 MB/s
Read 424
Write 174
Mixed 172
SusWrite 171
52% 235 MB/s
4K Read 22.2
4K Write 68.2
4K Mixed 10.7
84% 33.7 MB/s
DQ Read 172
DQ Write 172
DQ Mixed 76.7
84% 140 MB/s
19GB free (System drive)
Firmware: Z2327012
SusWrite @10s intervals: 173 168 171 171 171 169 MB/s
Read 409
Write 172
Mixed 182
SusWrite 170
52% 233 MB/s
4K Read 22.7
4K Write 70.5
4K Mixed 11.3
86% 34.8 MB/s
DQ Read 157
DQ Write 175
DQ Mixed 76.9
83% 136 MB/s
87GB free (System drive)
Firmware: Z2327012
SusWrite @10s intervals: 169 173 177 175 178 178 MB/s
Read 379
Write 170
Mixed 176
SusWrite 175
50% 225 MB/s
4K Read 22.7
4K Write 63.7
4K Mixed 10
81% 32.1 MB/s
DQ Read 155
DQ Write 179
DQ Mixed 77.9
83% 137 MB/s
12GB free (System drive)
Firmware: Z2329012
SusWrite @10s intervals: 161 167 139 160 117 20 MB/s
Read 442
Write 165
Mixed 179
SusWrite 127
50% 228 MB/s
4K Read 22.5
4K Write 44.8
4K Mixed 11.1
72% 26.1 MB/s
DQ Read 160
DQ Write 168
DQ Mixed 74
80% 134 MB/s
10GB free (System drive)
Firmware: Z2329012
SusWrite @10s intervals: 171 167 63 20 6.3 17 MB/s
Read 461
Write 163
Mixed 174
SusWrite 74.1
48% 218 MB/s
4K Read 22.2
4K Write 53.9
4K Mixed 11.8
77% 29.3 MB/s
DQ Read 162
DQ Write 178
DQ Mixed 76.1
83% 139 MB/s
58GB free (System drive)
Firmware: Z2329012
SusWrite @10s intervals: 145 150 163 161 171 176 MB/s
Read 357
Write 171
Mixed 162
SusWrite 161
47% 213 MB/s
4K Read 11
4K Write 49
4K Mixed 9
54% 23 MB/s
DQ Read 168
DQ Write 137
DQ Mixed 69.9
75% 125 MB/s
45GB free (System drive)
Firmware: Z2329012
SusWrite @10s intervals: 144 158 155 169 176 175 MB/s
Read 368
Write 166
Mixed 181
SusWrite 163
49% 220 MB/s
4K Read 11.9
4K Write 33
4K Mixed 9.3
47% 18.1 MB/s
DQ Read 148
DQ Write 167
DQ Mixed 72.4
78% 129 MB/s
419 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 19,944,221 SSDs tested.

Typical Z400s 2.5 7MM 128GB Builds (Compare 324 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 12%
Tree trunk
Desktop
Desktop 31%
Sail boat
Workstation
Workstation 14%
Tree trunk

System: Dell Latitude 3350

EDIT WITH CUSTOM PC BUILDER

Popular Z400s 2.5 7MM 128GB systems:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

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How it works

  • - Download and run UserBenchMark.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) December 2019 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.

 Comments

1012 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.

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i5-9400F $145Nvidia GTX 1660S (Super) $244Crucial MX500 250GB $44
Intel Core i5-9600K $200Nvidia RTX 2060 $324Samsung 850 Evo 120GB $150
Intel Core i7-9700K $360AMD RX 590 $180Samsung 850 Pro 512GB $230
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $80SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $58SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $613SanDisk Extreme 16GB $24
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