Average Bench: 61.4% (716th of 1011)

Based on 5,561 user benchmarks.  Model: SanDisk SD8SBAT128G1122

Above average average bench

The SanDisk Z400s 128GB averaged 38.5% 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 82.3MB/s
Avg. 4K Random Read Speed 23.3MB/s

Good consistency

The range of scores (95th - 5th percentile) for the SanDisk Z400s 128GB is 24%. 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 161MB/s
Avg. Sequential Write Speed 162MB/s
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Average Bench

(Based on 5,561 samples)
Min Avg Max
342 Read 437 494
142 Write 162 178
146 Mixed 169 188
85 SusWrite 161 177
51.2% 233 MB/s
Min Avg Max
15.5 4K Read 23.3 28.6
33.3 4K Write 82.3 120
9.08 4K Mixed 12.1 14
94.2% 39.2 MB/s
Min Avg Max
82.3 DQ Read 159 206
108 DQ Write 165 179
33.7 DQ Mixed 71.2 78.6
78.6% 132 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
88GB free (System drive)
Firmware: Z2201000
SusWrite @10s intervals: 174 175 176 178 177 177 MB/s
Read 464
Write 173
Mixed 181
SusWrite 176
55% 249 MB/s
4K Read 26
4K Write 98.6
4K Mixed 13.8
109% 46.1 MB/s
DQ Read 157
DQ Write 175
DQ Mixed 77.9
83% 137 MB/s
27GB free
Firmware: Z2333000
SusWrite @10s intervals: 173 172 176 177 175 173 MB/s
Read 438
Write 178
Mixed 186
SusWrite 174
54% 244 MB/s
4K Read 31
4K Write 94.5
4K Mixed 12
112% 45.8 MB/s
DQ Read 172
DQ Write 177
DQ Mixed 76.3
84% 142 MB/s
119GB free
Firmware: Z2320000
SusWrite @10s intervals: 175 174 175 174 175 173 MB/s
Read 420
Write 176
Mixed 192
SusWrite 174
53% 240 MB/s
4K Read 25.7
4K Write 87.1
4K Mixed 12.2
101% 41.7 MB/s
DQ Read 190
DQ Write 176
DQ Mixed 78.9
88% 148 MB/s
24GB free (System drive)
Firmware: 1000
SusWrite @10s intervals: 160 167 173 173 173 173 MB/s
Read 431
Write 150
Mixed 199
SusWrite 170
52% 238 MB/s
4K Read 26.7
4K Write 80.3
4K Mixed 12.9
100% 40 MB/s
DQ Read 174
DQ Write 177
DQ Mixed 78.5
86% 143 MB/s
17GB free (System drive)
Firmware: Z2201000
SusWrite @10s intervals: 175 173 166 151 1.5 1.5 MB/s
Read 430
Write 142
Mixed 172
SusWrite 111
47% 214 MB/s
4K Read 26
4K Write 103
4K Mixed 13
110% 47.2 MB/s
DQ Read 164
DQ Write 153
DQ Mixed 76.3
80% 131 MB/s
5,561 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 19,849,350 SSDs tested.

 Prices

AmazonUS $873 mins
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Typical Z400s 128GB Builds (Compare 6,948 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 72%
Battleship
Desktop
Desktop 67%
Battle cruiser
Workstation
Workstation 41%
Speed boat

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

EDIT WITH CUSTOM PC BUILDER Value: 56% - Above average Total price: $862

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) 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

1011 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 $39
Intel Core i5-9600K $200Nvidia RTX 2060 $324Samsung 850 Evo 120GB $150
Intel Core i7-9700K $360AMD RX 590 $180Samsung 860 Evo 250GB $54
HDDRAMUSB
Seagate Barracuda 1TB (2016) $32Corsair Vengeance LPX DDR4 3200 C16 2x8GB $76SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $38Corsair 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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