Average Bench: 249% (57th of 1072)

Based on 132 user benchmarks.  Model: WD PC SN740 SDDQNQD-512G-1014

Outstanding average bench

The WD PC SN740 SDDQNQD-512G-1014 512GB averaged 149.0% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the WD PC SN740 SDDQNQD-512G-1014 512GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 876MB/s
Avg. 4K-64Thread Read Speed 1,035MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the WD PC SN740 SDDQNQD-512G-1014 512GB is 341%. This is a particularly wide range which indicates that the WD PC SN740 SDDQNQD-512G-1014 512GB performs inconsistently under varying real world conditions.


Avg. 4K Random Write Speed 95.2MB/s
Avg. 4K Random Mixed IO Speed 51.9MB/s

Average Bench

(Based on 132 samples)
Min Avg Max
544 Read 1,701 3,755
434 Write 1,514 3,266
480 Mixed 1,272 2,360
441 SusWrite 1,372 2,611
329% 1,465 MB/s
Min Avg Max
24.5 4K Read 49.7 75.1
28.6 4K Write 95.2 219
24.4 4K Mixed 51.9 94.2
192% 65.6 MB/s
Min Avg Max
431 DQ Read 1,035 1,773
184 DQ Write 749 1,636
338 DQ Mixed 876 1,541
659% 887 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
291GB free (System drive)
Firmware: 73101100
SusWrite @10s intervals: 2922 2913 2739 1218 550 547 MB/s
Read 3,009
Write 3,090
Mixed 2,174
SusWrite 1,815
566% 2,522 MB/s
4K Read 71.6
4K Write 218
4K Mixed 99.9
352% 130 MB/s
DQ Read 1,723
DQ Write 1,466
DQ Mixed 1,507
1,153% 1,565 MB/s
426GB free (System drive)
Firmware: 73101100
SusWrite @10s intervals: 624 633 616 625 625 620 MB/s
Read 652
Write 662
Mixed 613
SusWrite 624
144% 638 MB/s
4K Read 31.2
4K Write 61.5
4K Mixed 45.8
138% 46.2 MB/s
DQ Read 844
DQ Write 778
DQ Mixed 1,116
754% 913 MB/s
132 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,598,471 SSDs tested

Typical PC SN740 SDDQNQD-512G-1014 512GB Builds (Compare 116 builds) See popular component choices, score breakdowns and rankings
Gaming 10%
Tree trunk
Desktop 57%
Workstation 9%
Tree trunk

System: Acer Aspire A315-24P


Popular PC SN740 SDDQNQD-512G-1014 512GB 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.

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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]


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.


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

 Best User Rated

The Best.
Intel Core i5-13600K $273Nvidia RTX 4060 $295Crucial MX500 250GB $35
Intel Core i5-12600K $183Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12400F $134Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
Seagate Barracuda 1TB (2016) $34Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $31Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $45G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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