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D2CSTK251M20-0480 480GB

▲ 500 ▼

Release date ≈ Q3 2016.

Average Bench: 55.8% (843rd of 1071)

Based on 5 user benchmarks.  Model: D2CSTK251M20-0480
Poor: 41%Average: 55.8% Great: 65%

Average average bench

The D2CSTK251M20-0480 480GB averaged 44.1% 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 Read Speed 24.5MB/s
Avg. 4K-64Thread Mixed IO Speed 64.5MB/s

Unknown consistency

There are too few samples to reasonably determine how consistently this SSD perfroms. This result should be interpreted with caution.

Weaknesses

Avg. 4K Random Write Speed 16MB/s
Avg. 4K-64Thread Write Speed 68.6MB/s
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Average Bench

(Based on 5 samples)
Rank 84355.8%
Min Avg Max
398 Read 440 515
198 Write 240 278
219 Mixed 245 272
189 SusWrite 209 236
63% 284 MB/s
Min Avg Max
12.3 4K Read 24.5 29.4
10.6 4K Write 16 19.8
5.81 4K Mixed 16.4 23.7
66.7% 19 MB/s
Min Avg Max
15.4 DQ Read 139 226
11.3 DQ Write 68.6 89.9
7.4 DQ Mixed 64.5 110
58.3% 90.6 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
370GB free (System drive)
Firmware: 2.22
SusWrite @10s intervals: 227 246 239 233 227 241 MB/s
64.9% Good
Read 446
Write 198
Mixed 219
SusWrite 236
61% 275 MB/s
4K Read 29.4
4K Write 19.8
4K Mixed 23.7
85% 24.3 MB/s
DQ Read 197
DQ Write 89.9
DQ Mixed 110
90% 132 MB/s
40GB free (System drive)
Firmware: 2.25
SusWrite @10s intervals: 181 185 181 192 207 188 MB/s
60.1% Good
Read 437
Write 278
Mixed 272
SusWrite 189
65% 294 MB/s
4K Read 26.3
4K Write 18.2
4K Mixed 22.4
78% 22.3 MB/s
DQ Read 226
DQ Write 85.1
DQ Mixed 87
82% 133 MB/s
345GB free (System drive)
Firmware: 2.22
SusWrite @10s intervals: 214 193 192 199 199 220 MB/s
57.3% Above average
Read 398
Write 252
Mixed 267
SusWrite 203
62% 280 MB/s
4K Read 26.5
4K Write 15.1
4K Mixed 19.1
73% 20.2 MB/s
DQ Read 226
DQ Write 83.5
DQ Mixed 107
92% 139 MB/s
60GB free (System drive)
Firmware: 2.25 Max speed: SATA 3.0 600 MB/s
55.6% Above average
Read 515
Write 224
Mixed 233
71% 324 MB/s
4K Read 28.2
4K Write 16.5
4K Mixed 11.1
66% 18.6 MB/s
DQ Read 29.2
DQ Write 73.3
DQ Mixed 11.1
20% 37.8 MB/s
418GB free (System drive)
Firmware: 2.22 Max speed: SATA 3.0 600 MB/s
41.3% Average
Read 406
Write 249
Mixed 233
65% 296 MB/s
4K Read 12.3
4K Write 10.6
4K Mixed 5.81
32% 9.56 MB/s
DQ Read 15.4
DQ Write 11.3
DQ Mixed 7.4
7% 11.3 MB/s

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,894,552 SSDs tested

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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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 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?
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 Best User Rated
The Best.
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Intel Core i5-13600K $273Nvidia RTX 4060 $250Crucial MX500 250GB $39
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $168Nvidia RTX 4070 $490Samsung 860 Evo 250GB $52
HDDRAMUSB
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WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $45SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $62G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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