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WD PC SN740 SDDQNQD-512G-1014

 SN740 SDDQNQD-512G

The Western Digital WD PC SN740 512 GB (SDDQNQD-512G) is a fast mid-range M.2 2280 NVMe SSD.

TypeSSD
SizeM.2 2280
Capacity512 GB
InterfaceNVMe
Announced02.03.2023

Benchmarks

Performance Rating - DiskSpd
33.1 pt (41%)
Seagate ST1000LM014 Solid State Hybrid Drive
0.772 -98%
...
Silicon Motion PCIe-8 SSD
32.1 -3%
32.1 -3%
32.2 -3%
32.4 -2%
32.6 -2%
32.6 -2%
32.7 -1%
Kingston OM8PGP41024Q-A0
32.8 -1%
Acer N5000
33 0%
WD PC SN740 SDDQNQD-512G-1014
33.1
33.4 1%
Phison Electronics PS5012
33.5 1%
33.5 1%
33.5 1%
33.7 2%
33.7 2%
Silicon Motion PCIe-8 SSD 1TB
33.9 2%
34 3%
34.1 3%
...
81.6 147%
0%
100%
Restrict / Search: Model: Max. age: years
AS SSD - Copy Game
min: 1208.1     avg: 1697     median: 1741.1 (29%)     max: 2098.44 MB/s
AS SSD - Copy Program
min: 358.22     avg: 605     median: 590 (22%)     max: 880.78 MB/s
AS SSD - Copy ISO
min: 818.89     avg: 1603     median: 1514.5 (14%)     max: 2564 MB/s
AS SSD - Score Total
min: 3447     avg: 4477     median: 4143 (30%)     max: 5666 Points
AS SSD - Score Write
min: 1518     avg: 2076     median: 2062 (29%)     max: 2566 Points
AS SSD - Score Read
min: 1102     avg: 1620     median: 1735 (37%)     max: 2080 Points
AS SSD - Access Time Write *
min: 0.019     avg: 0     median: 0 (0%)     max: 0.034 ms
AS SSD - Access Time Read *
min: 0.073     avg: 0.1     median: 0.1 (0%)     max: 0.14 ms
AS SSD - 4K-64 Write
min: 1152.34     avg: 1645     median: 1724 (29%)     max: 2035.31 MB/s
AS SSD - 4K-64 Read
min: 659     avg: 1181     median: 1404.5 (39%)     max: 1594.48 MB/s
AS SSD - 4K Write
min: 100.96     avg: 165.4     median: 157 (31%)     max: 235.83 MB/s
AS SSD - 4K Read
min: 48.81     avg: 58.5     median: 57.3 (18%)     max: 71.67 MB/s
AS SSD - Sequential Write
min: 1885     avg: 2648     median: 2643.1 (23%)     max: 3462.3 MB/s
AS SSD - Sequential Read
min: 2749.14     avg: 3804     median: 3857 (30%)     max: 4366.48 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
min: 127     avg: 213     median: 241.2 (22%)     max: 270.7 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
min: 64.75     avg: 74.8     median: 75.8 (2%)     max: 84.03 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5 Write Seq
min: 2478     avg: 2900     median: 3106 (17%)     max: 3116 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5 Read Seq
min: 2305     avg: 2792     median: 2841 (34%)     max: 3231 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
min: 237.7     avg: 440.3     median: 534.2 (18%)     max: 549 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
min: 507     avg: 758     median: 867.5 (14%)     max: 898.7 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
min: 3087     avg: 3456     median: 3606 (24%)     max: 3675 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
min: 3541     avg: 4326     median: 4463 (24%)     max: 4973 MB/s
DiskSpd - DiskSpd 4k_q1t1_write
min: 114.6     avg: 175.1     median: 124.6 (29%)     max: 273 MB/s
DiskSpd - DiskSpd 4k_q1t1_read
min: 45.6     avg: 62.5     median: 62.2 (18%)     max: 79.4 MB/s
DiskSpd - DiskSpd 4k_q32t16_write
min: 337     avg: 1433     median: 1653 (32%)     max: 2666 MB/s
DiskSpd - DiskSpd 4k_q32t16_read
min: 658     avg: 1439     median: 1937 (31%)     max: 1945 MB/s
DiskSpd - DiskSpd seq_write
min: 2431     avg: 2941     median: 2657 (29%)     max: 3666 MB/s
DiskSpd - DiskSpd seq_read
min: 2302     avg: 3014     median: 2867 (41%)     max: 3890 MB/s
DiskSpd - DiskSpd seq_q8t1_write
min: 3127     avg: 3400     median: 3431 (24%)     max: 3702 MB/s
DiskSpd - DiskSpd seq_q8t1_read
min: 3553     avg: 4666     median: 4935 (31%)     max: 5080 MB/s
DiskSpd - DiskSpd Loop seq_q8t1_read
min: 2368     avg: 3988     median: 4423 (27%)     max: 4908 MB/s
010020030040050060070080090010001100120013001400150016001700180019002000210022002300240025002600270028002900300031003200330034003500360037003800390040004100420043004400450046004700480049005000Tooltip
- Range of benchmark values for this graphics card
red legend - Average benchmark values for this graphics card
* Smaller numbers mean a higher performance

Add one or more devices and compare

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v1.29
log 24. 00:56:17

#0 ran 0s before starting gpusingle class +0s ... 0s

#1 no ids found in url (should be separated by "_") +0s ... 0s

#2 not redirecting to Ajax server +0s ... 0s

#3 did not recreate cache, as it is less than 5 days old! Created at Sun, 23 Mar 2025 16:16:36 +0100 +0.001s ... 0.001s

#4 composed specs +0.005s ... 0.006s

#5 did output specs +0s ... 0.006s

#6 getting avg benchmarks for device 4076 +0.015s ... 0.02s

#7 got single benchmarks 4076 +0.014s ... 0.034s

#8 got avg benchmarks for devices +0s ... 0.034s

#9 min, max, avg, median took s +0.843s ... 0.877s

#10 return log +0.001s ... 0.878s

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Klaus Hinum (Update: 2023-10-26)