Notebookcheck Logo

WD PC SN740 256GB SDDPNQD-256G

WD PC SN740 256GB SDDPNQD-256G SN740 SDDPNQD-256G

The Western Digital WD PC SN740 256 GB (WDSN740-SDDPNQD-256G-1004) is a mid-range M.2 2280 NVMe SSD. The SSDPNQD variant supports TCG Pyrite 2.01 security (in contrast to the SDDQNQD that supports TCG Opal SSC 2.01). The SSD is specified at 4000 MB/s read and 2000 MB/s write.

TypeSSD
SizeM.2 2280
Capacity256 GB
InterfaceNVMe
Announced02.03.2023

Benchmarks

Performance Rating - DiskSpd
30.7 pt (38%)
Seagate ST1000LM014 Solid State Hybrid Drive
0.771 -97%
...
30 -2%
30 -2%
30 -2%
30.1 -2%
30.3 -1%
30.3 -1%
30.4 -1%
Sabrent Rocket 4.0 500GB
30.6 0%
30.6 0%
WD PC SN740 256GB SDDPNQD-256G
30.7
Kingston OM8PGP41024Q-A0
30.8 0%
30.8 0%
Samsung SSD 980 1TB MZ-V8V1T0BW
30.9 1%
30.9 1%
PSEIB512GABBMC0
30.9 1%
WD PC SN740 512GB SDDPNQD-512G
31.1 1%
31.2 2%
31.3 2%
31.4 2%
...
80.6 163%
0%
100%
AS SSD - Copy Game
min: 204.06     avg: 744     median: 743.7 (12%)     max: 1283.35 MB/s
AS SSD - Copy Program
min: 349.23     avg: 482     median: 482 (18%)     max: 614.77 MB/s
AS SSD - Copy ISO
min: 1181.38     avg: 1240     median: 1240.2 (11%)     max: 1299.06 MB/s
AS SSD - Score Total
min: 1534     avg: 2619     median: 2619 (19%)     max: 3704 Points
AS SSD - Score Write
min: 341     avg: 1091     median: 1091 (15%)     max: 1841 Points
AS SSD - Score Read
min: 832     avg: 1048     median: 1047.5 (4%)     max: 1263 Points
AS SSD - Access Time Write *
min: 0.019     avg: 0     median: 0 (0%)     max: 0.036 ms
AS SSD - Access Time Read *
min: 0.103     avg: 0.2     median: 0.2 (1%)     max: 0.244 ms
AS SSD - 4K-64 Write
min: 93.05     avg: 778     median: 778.3 (13%)     max: 1463.63 MB/s
AS SSD - 4K-64 Read
min: 531.82     avg: 711     median: 710.8 (20%)     max: 889.77 MB/s
AS SSD - 4K Write
min: 96.41     avg: 155.9     median: 155.9 (30%)     max: 215.44 MB/s
AS SSD - 4K Read
min: 19.2     avg: 46.7     median: 46.7 (15%)     max: 74.26 MB/s
AS SSD - Sequential Write
min: 1512.15     avg: 1565     median: 1564.9 (14%)     max: 1617.55 MB/s
AS SSD - Sequential Read
min: 2811.91     avg: 2899     median: 2899.4 (23%)     max: 2986.81 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
243.9 MB/s (22%)
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
83 MB/s (2%)
CrystalDiskMark 5.2 / 6 - CDM 5 Read Seq
2914 MB/s (35%)
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
808 MB/s (26%)
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
832 MB/s (13%)
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
1788 MB/s (12%)
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
4023 MB/s (22%)
DiskSpd - DiskSpd 4k_q1t1_write
min: 221     avg: 233.5     median: 233.5 (54%)     max: 246 MB/s
DiskSpd - DiskSpd 4k_q1t1_read
min: 74.3     avg: 76.2     median: 76.2 (22%)     max: 78.1 MB/s
DiskSpd - DiskSpd 4k_q32t16_write
min: 1392     avg: 1612     median: 1612 (33%)     max: 1832 MB/s
DiskSpd - DiskSpd 4k_q32t16_read
min: 1000     avg: 1002     median: 1002 (16%)     max: 1004 MB/s
DiskSpd - DiskSpd seq_write
min: 1633     avg: 1676     median: 1675.5 (18%)     max: 1718 MB/s
DiskSpd - DiskSpd seq_read
min: 1639     avg: 2329     median: 2329 (33%)     max: 3019 MB/s
DiskSpd - DiskSpd seq_q8t1_write
min: 1821     avg: 1853     median: 1852.5 (13%)     max: 1884 MB/s
DiskSpd - DiskSpd seq_q8t1_read
min: 3945     avg: 3994     median: 3993.5 (25%)     max: 4042 MB/s
DiskSpd - DiskSpd Loop seq_q8t1_read
min: 3951     avg: 3997     median: 3997 (25%)     max: 4043 MB/s
01002003004005006007008009001000110012001300140015001600170018001900200021002200230024002500260027002800290030003100320033003400350036003700380039004000Tooltip
- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance

Add one or more devices and compare

In the following list you can select (and also search for) devices that should be added to the comparison. You can select more than one device.

restrict list:

show all (including archived), 2024, 2023
v1.26
log 28. 09:42:24

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

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

#2 did not recreate cache, as it is less than 5 days old! Created at Sun, 26 May 2024 17:42:15 +0200 +0.001s ... 0.001s

#3 composed specs +0.006s ... 0.007s

#4 did output specs +0s ... 0.007s

#5 getting avg benchmarks for device 3969 +0.017s ... 0.024s

#6 got single benchmarks 3969 +0.007s ... 0.031s

#7 got avg benchmarks for devices +0s ... 0.031s

#8 min, max, avg, median took s +0.744s ... 0.775s

#9 return log +0.013s ... 0.788s

Please share our article, every link counts!
> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > Benchmarks / Tech > Laptop harddisks (HDD, SSD) benchmarks > WD PC SN740 256GB SDDPNQD-256G SSD Benchmarks
Klaus Hinum (Update: 2023-03-23)