Average Bench: 73.5% (584th of 1058)

more Based on 15,699 user benchmarks.  Models: INTEL SSDSC2CW120A3, INTEL SSDSC2BW120A3, INTEL SSDSC2CW120A3H, INTE SSDSC2CW120A3, INTEL SS DSC2CW120A3, INTEL SSDSC2CW12, INTEL SSDSC2CW120A

The Intel 520 Series was Intel's first SSD to feature a Sandforce 2281 controller. This controller has powered countless SSDs over the last three years but is now dated and is known to be limited in the area of incompressible write speed. The 120GB Intel 520 scored peak and average sequential read/write speeds of 514/157 and 421/133. These read speeds are good but the peak write of 157 MB/s lags the group leaders average of 313 MB/s by nearly 100%. This relative inability to write lowers the 520's overall effective speed to 403 MB/s or 15% lower than the 459 MB/s achieved by the group leaders. At two years of age the Intel 520 can no longer compete with newer drives, there is far better value available amongst the group leaders[Feb '14 SSDrivePro]

Good average bench

The Intel 520 Series 120GB averaged 26.4% 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 164MB/s
Avg. 4K Random Read Speed 31.7MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Intel 520 Series 120GB is 34%. This is a relatively narrow range which indicates that the Intel 520 Series 120GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 132MB/s
Avg. Sequential Write Speed 154MB/s
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Average Bench

(Based on 15,699 samples)
Min Avg Max
307 Read 392 448
128 Write 154 170
184 Mixed 207 222
101 SusWrite 132 162
48.9% 221 MB/s
Min Avg Max
20.6 4K Read 31.7 39.5
37.8 4K Write 78.4 114
24 4K Mixed 36.2 45.9
136% 48.8 MB/s
Min Avg Max
99 DQ Read 213 238
111 DQ Write 148 165
61.5 DQ Mixed 164 191
127% 175 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
13GB free
Firmware: 400i
SusWrite @10s intervals: 118 137 139 126 157 146 MB/s
Read 427
Write 153
Mixed 217
SusWrite 137
52% 234 MB/s
4K Read 37.3
4K Write 95
4K Mixed 43.4
162% 58.6 MB/s
DQ Read 239
DQ Write 156
DQ Mixed 187
142% 194 MB/s
27GB free
Firmware: 400i
SusWrite @10s intervals: 139 137 128 129 124 118 MB/s
Read 442
Write 157
Mixed 221
SusWrite 129
52% 237 MB/s
4K Read 37.9
4K Write 95.4
4K Mixed 41.7
161% 58.3 MB/s
DQ Read 238
DQ Write 168
DQ Mixed 172
137% 193 MB/s
66GB free (System drive)
Firmware: 400i
SusWrite @10s intervals: 105 139 145 133 136 129 MB/s
Read 406
Write 157
Mixed 211
SusWrite 131
50% 226 MB/s
4K Read 29.6
4K Write 100
4K Mixed 37.4
146% 55.8 MB/s
DQ Read 204
DQ Write 165
DQ Mixed 181
136% 183 MB/s
48GB free (System drive)
Firmware: 400i
SusWrite @10s intervals: 129 126 127 125 125 123 MB/s
Read 350
Write 156
Mixed 211
SusWrite 126
47% 211 MB/s
4K Read 24.1
4K Write 63.5
4K Mixed 26.5
104% 38 MB/s
DQ Read 236
DQ Write 148
DQ Mixed 182
139% 189 MB/s
15,699 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 41,719,107 SSDs tested.

 Prices

MSRP ≈ $160 @ launch in Feb '12
AmazonUS $17910 mins
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Typical 520 Series 120GB Builds (Compare 33,155 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 2%
Tree trunk
Desktop
Desktop 65%
Destroyer
Workstation
Workstation 2%
Tree trunk

Disqualified System: bin bin

EDIT WITH CUSTOM PC BUILDER Value: 47% - Average Total price: $476

Popular 520 Series 120GB 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.

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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) April 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]

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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

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

Get fast, play fierce...

Added 7 years ago.

Poor

7 years ago.


Your
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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.
CPUGPUSSD
Intel Core i5-11400F $173Nvidia RTX 3070 $500Crucial MX500 250GB $48
Intel Core i5-11600K $265Nvidia RTX 3060-Ti $400Samsung 850 Evo 120GB $78
Intel Core i7-10700K $316Nvidia GTX 1660S (Super) $240Samsung 860 Evo 250GB $50
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $73SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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