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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
29 pt (33%)
Seagate ST1000LM014 Solid State Hybrid Drive
0.709 -98%
...
Western Digital PCSN5000S SDEPMSJ-1T00-1101
28.6 -1%
WD PC SN740 512GB SDDPNQD-512G
28.6 -1%
SK Hynix HFM001TD3HX015N
28.7 -1%
PSEIB512GABBMC0
28.7 -1%
Samsung SSD 980 1TB MZ-V8V1T0BW
28.7 -1%
Western Digital PC SN5000S SDEQNSJ-512G-1002
28.7 -1%
Kioxia BG6 KBG60ZNS1T02
28.8 -1%
WD PC SN740 SDDPNQE-2T00
28.8 -1%
Intel SSD 670p SSDPEKNU010TZ
28.9 0%
WD PC SN740 256GB SDDPNQD-256G
29
SK Hynix BC711 HFM512GD3JX016N
29.1 0%
Kioxia BG5 KBG50ZNS1T02
29.1 0%
Micron 3400 MTFDKBA512TFH 512GB
29.2 1%
Lenovo UMIS AM630 RPJTJ256MGE1QDY
29.2 1%
Wodposit NVMe SSD 1024 GB
29.2 1%
Gofatoo 512GB
29.2 1%
Kioxia XG8 KXG80ZNV512G
29.3 1%
Kioxia XG7 KXG7AZNV512G
29.3 1%
Western Digital PC SN5000S SDEPNSJ-2T00-1006
29.4 1%
...
Kingston Fury Renegade G5
87.4 201%
0%
100%
Restrict / Search: Model: Max. age: years
AS SSD - Copy Game
min: 204.06     avg: 744     median: 743.7 (12%)     max: 1283.35 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Copy Program
min: 349.23     avg: 482     median: 482 (18%)     max: 614.77 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Copy ISO
min: 1181.38     avg: 1240     median: 1240.2 (11%)     max: 1299.06 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Score Total
min: 1534     avg: 2619     median: 2619 (16%)     max: 3704 Points
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Score Write
min: 341     avg: 1091     median: 1091 (15%)     max: 1841 Points
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Score Read
min: 832     avg: 1048     median: 1047.5 (17%)     max: 1263 Points
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Write *
min: 0.019     avg: 0     median: 0 (0%)     max: 0.036 ms
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Read *
min: 0.103     avg: 0.2     median: 0.2 (1%)     max: 0.244 ms
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Write
min: 93.05     avg: 778     median: 778.3 (13%)     max: 1463.63 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Read
min: 531.82     avg: 711     median: 710.8 (14%)     max: 889.77 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Write
min: 96.41     avg: 155.9     median: 155.9 (30%)     max: 215.44 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Read
min: 19.2     avg: 46.7     median: 46.7 (15%)     max: 74.26 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Write
min: 1512.15     avg: 1565     median: 1564.9 (14%)     max: 1617.55 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Read
min: 2811.91     avg: 2899     median: 2899.4 (23%)     max: 2986.81 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
243.9 MB/s (22%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
83 MB/s (2%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5 Write Seq
1707 MB/s (9%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5 Read Seq
2914 MB/s (35%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
808 MB/s (26%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
832 MB/s (13%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
1788 MB/s (12%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
4023 MB/s (22%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q1t1_write
min: 221     avg: 233.5     median: 233.5 (54%)     max: 246 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q1t1_read
min: 74.3     avg: 76.2     median: 76.2 (22%)     max: 78.1 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q32t16_write
min: 1392     avg: 1612     median: 1612 (26%)     max: 1832 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q32t16_read
min: 1000     avg: 1002     median: 1002 (12%)     max: 1004 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_write
min: 1633     avg: 1676     median: 1675.5 (17%)     max: 1718 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_read
min: 1639     avg: 2329     median: 2329 (30%)     max: 3019 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_q8t1_write
min: 1821     avg: 1853     median: 1852.5 (13%)     max: 1884 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_q8t1_read
min: 3945     avg: 3994     median: 3993.5 (25%)     max: 4042 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd Loop seq_q8t1_read
min: 3951     avg: 3997     median: 3997 (25%)     max: 4043 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
01002003004005006007008009001000110012001300140015001600170018001900200021002200230024002500260027002800290030003100320033003400350036003700380039004000Tooltip
- Range of benchmark values
red legend - Average benchmark values
* Smaller numbers mean a higher performance

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v1.33
log 06. 16:49:01

#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 Tue, 01 Jul 2025 20:29:48 +0200 +0.001s ... 0.001s

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

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

#6 getting avg benchmarks for device 3969 +0.015s ... 0.021s

#7 got single benchmarks 3969 +0.006s ... 0.027s

#8 got avg benchmarks for devices +0s ... 0.027s

#9 min, max, avg, median took s +1.036s ... 1.063s

#10 return log +0.001s ... 1.064s

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   » Samsung Galaxy Book3 Pro 16: 16-inch laptop with a long battery life and meager storage equipment

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Klaus Hinum (Update: 2023-03-23)