TEST
YOUR USB

SanDisk (ExtHD)

Extreme SSD 500GB

▲ 500 ▼

Release date ≈ Q2 2018.

Average Bench: 173% (1st of 639)

Based on 285 user benchmarks.  Device: VID 0781 PID 558c Model: SanDisk Extreme SSD
Poor: 25%Average: 173% Great: 374%

Outstanding average bench

The SanDisk Extreme SSD 500GB averaged 73.3% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the SanDisk Extreme SSD 500GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 43.5MB/s
Avg. 4K Random Write Speed 29MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the SanDisk Extreme SSD 500GB is 349%. This is a particularly wide range which indicates that the SanDisk Extreme SSD 500GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 245MB/s
Avg. 4K Random Read Speed 16.5MB/s
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Average Bench

(Based on 285 samples)
Rank 1173%
Min Avg Max
26.8 Read 245 469
20.6 Write 221 429
23.8 Mixed 160 285
16.6 SusWrite 205 399
276% 208 MB/s
Min Avg Max
5.06 4K Read 16.5 26.5
4.76 4K Write 29 71.8
4.5 4K Mixed 19.3 36.8
1,705% 21.6 MB/s
Min Avg Max
13.4 DQ Read 23 31.7
17.3 DQ Write 43.5 89.6
14.1 DQ Mixed 25.4 40.9
2,426% 30.6 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
71GB free, PID 558c
Operating at USB 3.1 Speed
SusWrite @10s intervals: 306 410 414 413 414 414 MB/s
234% Outstanding
Read 448
Write 409
Mixed 243
SusWrite 395
495% 374 MB/s
4K Read 17.8
4K Write 25.5
4K Mixed 14.4
1,423% 19.2 MB/s
DQ Read 21.3
DQ Write 30.4
DQ Mixed 20.7
1,817% 24.1 MB/s
95GB free, PID 558c
Operating at USB 3.1 Speed
SusWrite @10s intervals: 170 107 129 110 146 128 MB/s
161% Outstanding
Read 343
Write 266
Mixed 146
SusWrite 132
275% 222 MB/s
4K Read 21.6
4K Write 25.1
4K Mixed 22.6
1,702% 23.1 MB/s
DQ Read 24
DQ Write 37.8
DQ Mixed 28.3
2,337% 30 MB/s
4GB free, PID 558c
Operating at USB 2.1 Speed
SusWrite @10s intervals: 28 29 28 29 28 29 MB/s
24.5% Poor
Read 27.3
Write 28.7
Mixed 28.4
SusWrite 28.4
39% 28.2 MB/s
4K Read 15.4
4K Write 3.5
4K Mixed 10.1
520% 9.67 MB/s
285 MORE »
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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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Speed Comparisons

vs SanDisk Extreme 64GB
vs SanDisk Extreme 32GB
vs SanDisk Ultra Fit 32GB
vs SanDisk Extreme 16GB
vs Lexar JumpDrive P20 64GB
vs Adata DashDrive UV128 32GB
vs SanDisk Ultra Fit 16GB
vs Corsair Flash Voyager GT 32GB
vs Lexar JumpDrive P20 32GB

639 Drives (Compared) Thousands of user benchmarks compiled into one comparison list

See how consistently different USBs 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?
USB Flash Drives
How do you install an OS from a USB flash drive?
What is the Flash Drive value for money rating?
What is effective USB Flash Drive speed?
Why should USB 2.0 Flash Drives be avoided?
File system considerations?
Do dimensions matter?
What are the main factors to look out for?
16GB USB Flash Drives
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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $273Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $177Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair 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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