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Sandisk

SD8SB8U256G 256GB

▲ 500 ▼

Release date ≈ Q4 2019.

Average Bench: 71.2% (648th of 1072)

Based on 12 user benchmarks.  Model: SanDisk SD8SB8U256G
Poor: 55%Average: 71.2% Great: 89%

Popular builds with this SSD

Good average bench

The Sandisk SD8SB8U256G 256GB averaged 28.8% 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-64Thread Mixed IO Speed 188MB/s
Avg. 4K Random Read Speed 26.3MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Sandisk SD8SB8U256G 256GB is 33.4%. This is a relatively narrow range which indicates that the Sandisk SD8SB8U256G 256GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 181MB/s
Avg. Sequential Mixed IO Speed 222MB/s
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Average Bench

(Based on 12 samples)
Rank 64871.2%
Min Avg Max
314 Read 410 496
115 Write 297 479
103 Mixed 222 314
50.9 SusWrite 181 200
61.8% 277 MB/s
Min Avg Max
20 4K Read 26.3 35.9
33.1 4K Write 51.5 80.9
16.8 4K Mixed 30.4 46.1
106% 36 MB/s
Min Avg Max
94.6 DQ Read 279 375
91.3 DQ Write 213 285
51.5 DQ Mixed 188 226
156% 227 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
172GB free
Firmware: X4162000
SusWrite @10s intervals: 225 202 196 189 191 192 MB/s
94.2% Outstanding
Read 496
Write 479
Mixed 235
SusWrite 199
79% 352 MB/s
4K Read 35.9
4K Write 80.9
4K Mixed 46.1
156% 54.3 MB/s
DQ Read 326
DQ Write 285
DQ Mixed 213
185% 275 MB/s
185GB free (System drive)
Firmware: X4162000
SusWrite @10s intervals: 210 196 184 187 195 190 MB/s
88.8% Excellent
Read 465
Write 320
Mixed 248
SusWrite 194
68% 307 MB/s
4K Read 33.5
4K Write 78
4K Mixed 42
146% 51.2 MB/s
DQ Read 358
DQ Write 232
DQ Mixed 224
186% 271 MB/s
111GB free (System drive)
Firmware: X4162000
SusWrite @10s intervals: 182 185 191 190 188 149 MB/s
85.5% Excellent
Read 490
Write 467
Mixed 314
SusWrite 181
81% 363 MB/s
4K Read 31.6
4K Write 61.5
4K Mixed 38.5
130% 43.9 MB/s
DQ Read 375
DQ Write 278
DQ Mixed 226
196% 293 MB/s
189GB free (System drive)
Firmware: 0000
SusWrite @10s intervals: 211 194 194 196 194 195 MB/s
73.8% Very good
Read 422
Write 227
Mixed 210
SusWrite 197
59% 264 MB/s
4K Read 22.8
4K Write 59.3
4K Mixed 27.1
101% 36.4 MB/s
DQ Read 364
DQ Write 264
DQ Mixed 206
183% 278 MB/s
211GB free (System drive)
Firmware: 0
SusWrite @10s intervals: 133 190 190 195 167 178 MB/s
55.4% Above average
Read 314
Write 123
Mixed 112
SusWrite 175
40% 181 MB/s
4K Read 23.3
4K Write 38.7
4K Mixed 26.5
90% 29.5 MB/s
DQ Read 94.6
DQ Write 91.3
DQ Mixed 51.5
50% 79.1 MB/s
12GB free (System drive)
Firmware: X4140000
SusWrite @10s intervals: 99 63 36 25 43 40 MB/s
53.3% Above average
Read 399
Write 115
Mixed 103
SusWrite 50.9
36% 167 MB/s
4K Read 20
4K Write 49.4
4K Mixed 16.8
78% 28.7 MB/s
DQ Read 353
DQ Write 140
DQ Mixed 113
119% 202 MB/s
12 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,666,587 SSDs tested

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical SD8SB8U256G 256GB Builds (Compare 471 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 7%
Tree trunk
Desktop
Desktop 62%
Destroyer
Workstation
Workstation 6%
Tree trunk

System: HP EliteDesk 800 G2 DM 65W

CPU
Core i5-6500Intel  $67Bench 64%, 241,476 samples266x
Core i7-6700Intel  $180Bench 72%, 282,363 samples111x
Core i5-6500TIntelBench 61%, 9,313 samples33x
GPU
HD 530 (Desktop Skylake)IntelBench 5%, 188,220 samples468x
HD 510 (Desktop Skylake)IntelBench 3%, 16,316 samples1x
GTX 950Nvidia  $100Bench 26%, 111,509 samples1x
SSD
SD8SB8U256G 256GBSandiskBench 71%, 12 samples1x
RAM
HMA41GS6AFR8N-TF 1x8GBHynixBench 38%, 45,898 samples28x
HMA81GS6AFR8N-UH 2x8GBHynixBench 70%, 71,691 samples26x
M471A1G43DB0-CPB 2x8GBSamsungBench 70%, 20,956 samples18x
EDIT WITH CUSTOM PC BUILDER Value: 94% - Outstanding Total price: $67

Popular SD8SB8U256G 256GB systems:

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

Welcome to our 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 value for money upgrades.

UserBenchmark of the month

Gaming Desktop ProGaming

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) April 2024 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.

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Speed Comparisons

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1072 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

Storage Devices FAQ
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
What’s the difference between NAND and V-NAND?
What is sequential write speed?
What is sequential read speed?
What is incompressible data?
What is queue depth?
Solid State Drives
What is the SSD value for money rating?
What is 4K 64 thread write speed?
Can CPU power saving states (C1,C2,C3) impact SSD speed?
What is the effective SSD speed index?
How is the AS SSD write score calculated?
How is the AS SSD read score calculated?
How is the AS SSD total score calculated?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $182Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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