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WDC PC SN720 SDAQNTW-256G

SN720 SDAQNTW-256G

The Western Digital PC SN720 NVMe SSD 256GB SN720 SDAQNTW-256G is a high end M.2 2280 SSD based on a Sandisk/WD controller with 8 channels. It is specified at 3250 MB/s read and 1400 MB/s write and a TBW of 800 TB. The mean time between failures (MTBF) is rated at 2 mio hours and WD offers a 5 year warranty to consumers. It was introduced early 2019.

TypeSSD
SizeM.2 2280
Capacity256 GB
InterfaceNVMe
ControllerSandisk/​WD, 8 Kanäle (20-82-007011)
Announced18.07.2019

Benchmarks

AS SSD - Copy Game
484.4 MB/s (8%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Copy Program
352.3 MB/s (13%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Copy ISO
1191 MB/s (4%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Score Total
2206 Points (14%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Score Write
832 Points (12%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Score Read
940 Points (15%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Write *
0 ms (0%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Read *
0.1 ms (0%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Write
539 MB/s (9%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Read
631 MB/s (12%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Write
140.5 MB/s (27%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Read
42.7 MB/s (14%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Write
1521 MB/s (13%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Read
2667 MB/s (21%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - 4K QD32 Write
418.2 MB/s (39%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - 4K QD32 Read
490.3 MB/s (38%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - 4K Write
168 MB/s (5%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - 4K Read
43.5 MB/s (1%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - 512K Write
544 MB/s (6%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - 512K Read
725 MB/s (15%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - Sequential Write
1586 MB/s (15%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - Sequential Read
1639 MB/s (20%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
135.3 MB/s (12%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
45.1 MB/s (1%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5 Write Seq
1576 MB/s (8%)
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CrystalDiskMark 5.2 / 6 - CDM 5 Read Seq
1457 MB/s (17%)
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CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
356.3 MB/s (7%)
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CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
385.4 MB/s (6%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
1613 MB/s (11%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
3017 MB/s (16%)
+ 1 benchmarks and specifications   + Show comparison chart
- Range of benchmark values
red legend - Average benchmark values
* Smaller numbers mean a higher performance

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v1.35
log 15. 12:47:48

#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 Fri, 14 Nov 2025 00:02:58 +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 3410 +0.002s ... 0.009s

#7 got single benchmarks 3410 +0.004s ... 0.013s

#8 got avg benchmarks for devices +0s ... 0.013s

#9 min, max, avg, median took s +0.959s ... 0.972s

#10 return log +0.001s ... 0.973s

Notebook reviews with WDC PC SN720 SDAQNTW-256G

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Lenovo ThinkPad P43s laptop review: The mobile workstation's display and performance disappoint

Lenovo's mobile workstation scores points with great input devices, good battery life and a Thunderbolt 3 port. But the laptop isn't able to reach its full perf...
Intel Core i7-8565U | NVIDIA Quadro P520 | 14.00" | 1.5 kg
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Klaus Hinum (Update: 2020-03-27)