Average Bench: 78.4% (497th of 1058)


Good average bench

The Intel 520 Series 240GB averaged 21.6% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Intel 520 Series 240GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 230MB/s
Avg. 4K Random Read Speed 30.9MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Intel 520 Series 240GB is 39.8%. This is a relatively wide range which indicates that the Intel 520 Series 240GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 191MB/s
Avg. Sequential Write Speed 240MB/s

Average Bench

(Based on 15,031 samples)
Min Avg Max
301 Read 370 432
162 Write 240 284
217 Mixed 264 291
128 SusWrite 191 244
59.5% 266 MB/s
Min Avg Max
19.7 4K Read 30.9 39.4
28.8 4K Write 75.5 115
21.5 4K Mixed 36.5 47.1
134% 47.6 MB/s
Min Avg Max
200 DQ Read 274 305
103 DQ Write 214 258
124 DQ Mixed 230 263
176% 239 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
223GB free
Firmware: 400i
SusWrite @10s intervals: 217 188 211 214 226 226 MB/s
Read 367
Write 274
Mixed 274
SusWrite 214
63% 282 MB/s
4K Read 35.1
4K Write 119
4K Mixed 42.3
170% 65.4 MB/s
DQ Read 302
DQ Write 232
DQ Mixed 250
192% 261 MB/s
114GB free (System drive)
Firmware: 400i
SusWrite @10s intervals: 201 205 205 202 192 192 MB/s
Read 383
Write 248
Mixed 258
SusWrite 199
61% 272 MB/s
4K Read 38.5
4K Write 106
4K Mixed 39.3
165% 61.2 MB/s
DQ Read 291
DQ Write 215
DQ Mixed 258
192% 255 MB/s
100GB free (System drive)
Firmware: LE1i
SusWrite @10s intervals: 145 176 185 157 179 170 MB/s
Read 344
Write 223
Mixed 259
SusWrite 169
56% 249 MB/s
4K Read 27.2
4K Write 61.9
4K Mixed 29.2
111% 39.4 MB/s
DQ Read 239
DQ Write 205
DQ Mixed 229
170% 224 MB/s
15,031 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 47,245,213 SSDs tested.


AmazonUS $1393 mins
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Typical 520 Series 240GB Builds (Compare 41,196 builds) See popular component choices, score breakdowns and rankings.
Gaming 2%
Tree trunk
Desktop 65%
Workstation 2%
Tree trunk

Disqualified System: bin bin

EDIT WITH CUSTOM PC BUILDER Value: 52% - Above average Total price: $436

Popular 520 Series 240GB systems:

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.

UserBenchmark of the month

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) September 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]


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.


Controller: LSI SandForce SF2281. Flash Memory: Intel Synchronous 25nm MLC

Added n/a ago.

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.
Intel Core i5-11600K $270Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-11700K $380Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $74SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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