Average Bench: 61% (773rd of 1058)

Based on 8,106 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 78.6MB/s
Avg. 4K Random Read Speed 23.1MB/s

Good consistency

The range of scores (95th - 5th percentile) for the SanDisk Z400s 128GB is 25.9%. This is a relatively narrow range which indicates that the SanDisk Z400s 128GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sequential Write Speed 165MB/s
Avg. Sustained Write Speed 165MB/s
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Average Bench

(Based on 8,106 samples)
Min Avg Max
351 Read 437 491
142 Write 165 178
143 Mixed 170 188
132 SusWrite 165 177
51.6% 234 MB/s
Min Avg Max
15.9 4K Read 23.1 28.2
37 4K Write 78.6 116
8 4K Mixed 12 14.3
92% 37.9 MB/s
Min Avg Max
26.6 DQ Read 159 202
97.5 DQ Write 165 179
10.3 DQ Mixed 71.3 78.7
78.7% 132 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
89GB free (System drive)
Firmware: Z2201000
SusWrite @10s intervals: 170 170 177 177 178 178 MB/s
Read 467
Write 166
Mixed 185
SusWrite 175
55% 248 MB/s
4K Read 27.3
4K Write 104
4K Mixed 13.9
114% 48.5 MB/s
DQ Read 157
DQ Write 172
DQ Mixed 77.2
82% 136 MB/s
90GB free (System drive)
Firmware: Z2333000
SusWrite @10s intervals: 172 149 159 139 172 164 MB/s
Read 483
Write 175
Mixed 166
SusWrite 159
54% 246 MB/s
4K Read 23.9
4K Write 91.2
4K Mixed 12.9
101% 42.7 MB/s
DQ Read 148
DQ Write 174
DQ Mixed 78.2
82% 133 MB/s
91GB free (System drive)
Firmware: Z2333000
SusWrite @10s intervals: 174 178 180 180 181 181 MB/s
Read 417
Write 174
Mixed 171
SusWrite 179
52% 235 MB/s
4K Read 21.8
4K Write 95.1
4K Mixed 12.3
99% 43.1 MB/s
DQ Read 166
DQ Write 180
DQ Mixed 79.4
86% 142 MB/s
106GB free
Firmware: Z2320000
SusWrite @10s intervals: 174 176 178 177 176 177 MB/s
Read 460
Write 174
Mixed 168
SusWrite 176
54% 245 MB/s
4K Read 23.1
4K Write 73.4
4K Mixed 10.7
88% 35.7 MB/s
DQ Read 156
DQ Write 178
DQ Mixed 78.2
84% 137 MB/s
16GB free (System drive)
Firmware: Z2333000
SusWrite @10s intervals: 140 160 166 87 1.7 48 MB/s
Read 450
Write 156
Mixed 176
SusWrite 100
48% 221 MB/s
4K Read 20.2
4K Write 65.7
4K Mixed 11.1
80% 32.3 MB/s
DQ Read 163
DQ Write 162
DQ Mixed 70.3
78% 132 MB/s
17GB free (System drive)
Firmware: Z2333000
SusWrite @10s intervals: 139 140 141 136 132 121 MB/s
Read 380
Write 143
Mixed 122
SusWrite 135
43% 195 MB/s
4K Read 11.8
4K Write 52.5
4K Mixed 10.6
59% 25 MB/s
DQ Read 158
DQ Write 155
DQ Mixed 73
78% 129 MB/s
8,106 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 41,897,553 SSDs tested.

 Prices

AmazonUS $8723 days
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Typical Z400s 128GB Builds (Compare 3,992 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 70%
Battle cruiser
Desktop
Desktop 88%
Aircraft carrier
Workstation
Workstation 59%
Gunboat

Motherboard: MSI Z170A PC MATE (MS-7971) - $108

EDIT WITH CUSTOM PC BUILDER Value: 64% - Good Total price: $896

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.

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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) April 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 i5-11400F $180Nvidia RTX 3070 $500Crucial MX500 250GB $50
Intel Core i5-11600K $265Nvidia RTX 3060-Ti $400Samsung 850 Evo 120GB $78
Intel Core i5-10600K $215Nvidia GTX 1660S (Super) $240Samsung 860 Evo 250GB $50
HDDRAMUSB
Seagate Barracuda 1TB (2016) $38Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $73SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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