Average Bench: 61.1% (776th of 1058)

Based on 8,167 user benchmarks.  Model: SanDisk SD8SBAT128G1122

Above average average bench

The SanDisk Z400s 128GB averaged 38.9% 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 79.8MB/s
Avg. 4K Random Read Speed 23.3MB/s

Good consistency

The range of scores (95th - 5th percentile) for the SanDisk Z400s 128GB is 23.3%. This is a relatively narrow range which indicates that the SanDisk Z400s 128GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 163MB/s
Avg. Sequential Write Speed 166MB/s
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Average Bench

(Based on 8,167 samples)
Min Avg Max
345 Read 435 487
143 Write 166 178
146 Mixed 170 188
122 SusWrite 163 177
51.4% 233 MB/s
Min Avg Max
16.5 4K Read 23.3 28.2
39.3 4K Write 79.8 113
8.09 4K Mixed 12 14.3
93% 38.4 MB/s
Min Avg Max
27.1 DQ Read 157 199
97.4 DQ Write 164 180
12.4 DQ Mixed 71.1 79
78.1% 131 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
38GB free
Firmware: Z2201000
SusWrite @10s intervals: 182 177 181 181 181 182 MB/s
Read 480
Write 179
Mixed 180
SusWrite 181
56% 255 MB/s
4K Read 30.1
4K Write 108
4K Mixed 14.1
121% 50.6 MB/s
DQ Read 189
DQ Write 181
DQ Mixed 79.2
89% 150 MB/s
30GB free (System drive)
Firmware: Z2201000
SusWrite @10s intervals: 176 177 174 177 179 177 MB/s
Read 488
Write 167
Mixed 177
SusWrite 177
56% 252 MB/s
4K Read 26.1
4K Write 99.9
4K Mixed 13.7
110% 46.6 MB/s
DQ Read 171
DQ Write 176
DQ Mixed 78.3
85% 142 MB/s
70GB free (System drive)
Firmware: Z2320000
SusWrite @10s intervals: 159 175 171 173 174 175 MB/s
Read 443
Write 170
Mixed 171
SusWrite 171
53% 239 MB/s
4K Read 27.5
4K Write 103
4K Mixed 12.7
113% 47.8 MB/s
DQ Read 158
DQ Write 175
DQ Mixed 77.1
83% 137 MB/s
20GB free (System drive)
Firmware: Z2333000
SusWrite @10s intervals: 172 171 140 160 97 102 MB/s
Read 428
Write 172
Mixed 175
SusWrite 140
50% 229 MB/s
4K Read 27.3
4K Write 106
4K Mixed 13.6
115% 49.1 MB/s
DQ Read 162
DQ Write 178
DQ Mixed 77.1
84% 139 MB/s
13GB free (System drive)
Firmware: Z2333000
SusWrite @10s intervals: 155 163 172 168 172 172 MB/s
Read 352
Write 162
Mixed 169
SusWrite 167
47% 212 MB/s
4K Read 26.1
4K Write 107
4K Mixed 13.5
113% 48.7 MB/s
DQ Read 174
DQ Write 174
DQ Mixed 75.8
84% 141 MB/s
46GB free (System drive)
Firmware: Z2320000
SusWrite @10s intervals: 144 158 170 173 165 166 MB/s
Read 398
Write 160
Mixed 178
SusWrite 163
50% 225 MB/s
4K Read 17.8
4K Write 83.8
4K Mixed 10.4
85% 37.3 MB/s
DQ Read 160
DQ Write 172
DQ Mixed 73.7
81% 135 MB/s
59GB free (System drive)
Firmware: Z2320000
SusWrite @10s intervals: 125 133 142 142 168 169 MB/s
Read 393
Write 167
Mixed 166
SusWrite 147
48% 218 MB/s
4K Read 19.3
4K Write 68.9
4K Mixed 11.2
80% 33.1 MB/s
DQ Read 156
DQ Write 178
DQ Mixed 75.7
82% 137 MB/s
57GB free (System drive)
Firmware: Z2333000
SusWrite @10s intervals: 129 76 104 105 127 114 MB/s
Read 366
Write 162
Mixed 153
SusWrite 109
44% 198 MB/s
4K Read 16.8
4K Write 19.9
4K Mixed 10.7
50% 15.8 MB/s
DQ Read 66.1
DQ Write 58
DQ Mixed 54.3
43% 59.5 MB/s
8,167 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 45,553,673 SSDs tested.

 Prices

AmazonUS $874 months
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Typical Z400s 128GB Builds (Compare 4,430 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 70%
Battleship
Desktop
Desktop 88%
Aircraft carrier
Workstation
Workstation 59%
Gunboat

Motherboard: MSI Z170A PC MATE (MS-7971) - $145

EDIT WITH CUSTOM PC BUILDER Value: 58% - Above average Total price: $1,022

Popular Z400s 128GB compatible motherboards:

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.

UserBenchmark of the month

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.
  • - SkillBench (space shooter) tests user input accuracy.
  • - 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.
Solid State Drive Rankings (Price vs Performance) August 2021 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

1058 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 i5-11600K $270Nvidia RTX 3070 $500Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3060-Ti $400Samsung 860 Evo 250GB $52
Intel Core i7-11700K $380Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
HDDRAMUSB
Seagate Barracuda 1TB (2016) $35Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $31Corsair Vengeance LPX DDR4 3000 C15 2x8GB $80SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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