Notebookcheck Logo

WDC PC SN520 SDAPMUW-256G

WDC PC SN520 SDAPMUW-256G SN520 SDAPMUW-256G

The Western Digital PC SN520 NVMe SSD 256GB (M.2 2242, SDAPMUW-256G) is a small mid range SSD. It is specified at 1700 / 1300 MB/s sequential read / write and 220k / 175k IOPS 4k. The SSD uses 3D-NAND TLC from Toshiba/WD and is rated at a TBW of 200TB / MTBF of 1.75 Mio h.

TypeSSD
SizeM.2 2242
Capacity256 GB
InterfaceNVMe

Benchmarks

Performance Rating - DiskSpd
19 pt (26%)
64 GB eMMC Flash
2.32 -88%
...
SK Hynix BC511 HFM512GDJTNI
18.4 -3%
Samsung PM991 MZ9LQ512HALU
18.5 -3%
Toshiba XG5-P KXG50PNV2T04
18.7 -2%
SK Hynix BC501 HFM512GDJTNG
18.7 -2%
Toshiba KBG40ZNS256G NVMe
18.7 -2%
Toshiba KBG30ZMT512G
18.8 -1%
WDC PC SN520 SDAPNUW-512G
18.8 -1%
Silicon Motion AZW 256G M.228 NVMe 4X 200725 D
18.8 -1%
Netac S930E8/256GPN
18.9 -1%
WDC PC SN520 SDAPMUW-256G
19
WDC PC SN520 SDAPMUW-512
19.1 1%
Kingston OM8PCP3512F-AB
19.1 1%
Kingston OM3PDP3512B
19.2 1%
WDC PC SN530 SDBPTPZ-256G
19.2 1%
Apple SSD AP1024
19.3 2%
WDC PC SN530 SDBQNPZ-512G
19.3 2%
Toshiba KIOXIA KBG4AZNV512G M.2 2280 OPAL
19.3 2%
Samsung SSD 950 Pro 512GB m.2 NVMe
19.4 2%
Kingston KC2500 1 TB SKC2500M81000G
19.5 3%
...
Samsung 990 Pro 2 TB MZVL72T0HDLB
71.7 277%
0%
100%
AS SSD - Copy Game
546 MB/s (9%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Copy Program
253.1 MB/s (9%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Copy ISO
754 MB/s (7%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Score Total
1647 Points (15%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Score Write
659 Points (12%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Score Read
657 Points (2%)
+ 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
399.6 MB/s (8%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Read
467.7 MB/s (14%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Write
138.3 MB/s (38%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Read
35.9 MB/s (11%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Write
1215 MB/s (14%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Read
1535 MB/s (15%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
173.1 MB/s (16%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
49.3 MB/s (1%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5 Write Seq
1188 MB/s (6%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5 Read Seq
1278 MB/s (15%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
457.4 MB/s (15%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
505 MB/s (8%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
1258 MB/s (11%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
1742 MB/s (14%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q1t1_write
181.6 MB/s (42%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q1t1_read
41.8 MB/s (12%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q32t16_write
683 MB/s (14%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q32t16_read
665 MB/s (11%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_write
1046 MB/s (13%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_read
1107 MB/s (20%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_q8t1_write
888 MB/s (8%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_q8t1_read
1727 MB/s (13%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd Loop seq_q8t1_read
1723 MB/s (13%)
+ 1 benchmarks and specifications   + Show comparison chart
- 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), 2023, 2022
v1.26
log 04. 11:37:03

#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, 03 Dec 2023 15:39:02 +0100 +0.001s ... 0.001s

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

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

#5 getting avg benchmarks for device 3524 +0.017s ... 0.023s

#6 got single benchmarks 3524 +0.005s ... 0.029s

#7 got avg benchmarks for devices +0s ... 0.029s

#8 min, max, avg, median took s +0.985s ... 1.013s

#9 return log +0.018s ... 1.032s

Notebook reviews with WDC PC SN520 SDAPMUW-256G

Lenovo IdeaPad 3 14IIL05 in review: Quiet office laptop with mediocre battery life

Lenovo IdeaPad 3 14IIL05 in review: Quiet office laptop with mediocre battery life

Lenovo's 14-incher scores with low operating noise and low temperatures. An Ice Lake Core i3 processor, an NVMe SSD and a matte IPS screen are found on board. T...
Intel Core i3-1005G1 | Intel UHD Graphics G1 (Ice Lake 32 EU) | 14.00" | 1.6 kg

Lenovo IdeaPad 3 14IIL05: Intel Core i3-1005G1 Intel UHD Graphics G1 (Ice Lake 32 EU), 14.00", 1.6 kg
  External Review » Lenovo IdeaPad 3 14IIL05

Please share our article, every link counts!
> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > Benchmarks / Tech > Laptop harddisks (HDD, SSD) benchmarks > WDC PC SN520 SDAPMUW-256G SSD Benchmarks
Klaus Hinum (Update: 2020-07-24)