Average Bench: 61.6% (723rd of 1016)

Based on 5,251 user benchmarks.  Model: SanDisk SD8SBAT128G1122

Above average average bench

The SanDisk Z400s 128GB averaged 38.3% 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 81.1MB/s
Avg. 4K Random Read Speed 23.5MB/s

Good consistency

The range of scores (95th - 5th percentile) for the SanDisk Z400s 128GB is 25%. 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 162MB/s
Avg. Sequential Write Speed 163MB/s
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Average Bench

(Based on 5,251 samples)
Min Avg Max
347 Read 439 491
140 Write 163 177
145 Mixed 171 189
89.5 SusWrite 162 177
51.5% 234 MB/s
Min Avg Max
15.6 4K Read 23.5 28.5
38.8 4K Write 81.1 118
8.6 4K Mixed 12.2 14.4
94.2% 38.9 MB/s
Min Avg Max
90.6 DQ Read 159 201
114 DQ Write 166 179
35 DQ Mixed 71.6 78.7
78.8% 132 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
81GB free (System drive)
Firmware: Z2320000
SusWrite @10s intervals: 151 169 177 178 177 177 MB/s
Read 421
Write 174
Mixed 189
SusWrite 172
53% 239 MB/s
4K Read 29.2
4K Write 127
4K Mixed 11.7
126% 56 MB/s
DQ Read 160
DQ Write 179
DQ Mixed 77.5
84% 139 MB/s
39GB free (System drive)
Firmware: Z2320000
SusWrite @10s intervals: 107 170 176 178 178 178 MB/s
Read 431
Write 174
Mixed 181
SusWrite 164
52% 238 MB/s
4K Read 28.1
4K Write 101
4K Mixed 13.4
113% 47.6 MB/s
DQ Read 164
DQ Write 172
DQ Mixed 76.4
83% 137 MB/s
64GB free (System drive)
Firmware: 0000
SusWrite @10s intervals: 168 171 174 172 175 174 MB/s
Read 415
Write 161
Mixed 192
SusWrite 172
52% 235 MB/s
4K Read 19.1
4K Write 47.8
4K Mixed 11.8
69% 26.2 MB/s
DQ Read 190
DQ Write 164
DQ Mixed 32.2
64% 129 MB/s
91GB free (System drive)
Firmware: Z2201000
SusWrite @10s intervals: 171 170 175 171 168 169 MB/s
Read 380
Write 143
Mixed 136
SusWrite 171
46% 207 MB/s
4K Read 16.9
4K Write 18.3
4K Mixed 6.6
44% 13.9 MB/s
DQ Read 22
DQ Write 22.3
DQ Mixed 8.1
10% 17.5 MB/s
42GB free (System drive)
Firmware: Z2320000
SusWrite @10s intervals: 79 139 145 164 171 166 MB/s
Read 402
Write 138
Mixed 141
SusWrite 144
45% 206 MB/s
4K Read 5.7
4K Write 2.8
4K Mixed 0.1
10% 2.87 MB/s
5,251 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,680,567 SSDs tested.

 Prices

AmazonUS $878 mins
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Typical Z400s 128GB Builds (Compare 7,379 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 73%
Battleship
Desktop
Desktop 71%
Battleship
Workstation
Workstation 52%
Yacht

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

EDIT WITH CUSTOM PC BUILDER Value: 61% - Good Total price: $875

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) January 2020 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

1016 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 i5-9600K $218Nvidia GTX 1660S (Super) $240Crucial MX500 250GB $43
Intel Core i5-9400F $155Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $370Nvidia RTX 2060 $340Samsung 850 Pro 512GB $204
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $643SanDisk Ultra Fit 32GB $16
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