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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
25.5 pt (30%)
64 GB eMMC Flash -88%
...
SK hynix BC501 HFM512GDHTNG-8310A -4%
Toshiba KBG40ZNS256G NVMe -2%
Toshiba KBG30ZMT512G -2%
WDC PC SN520 SDAPMUW-256G
Samsung PM991 MZALQ256HAJD 2%
WDC PC SN520 SDAPNUW-512G 2%
Toshiba XG5-P KXG50PNV2T04 2%
Toshiba KBG40ZNS512G NVMe 5%
Samsung SSD 950 Pro 512GB m.2 NVMe 6%
...
0%
100%
AS SSD - Copy Game
546 MB/s (9%)
AS SSD - Copy Program
253 MB/s (9%)
AS SSD - Copy ISO
754 MB/s (20%)
AS SSD - Score Total
1647 Points (18%)
AS SSD - Score Write
659 Points (15%)
AS SSD - Score Read
657 Points (18%)
AS SSD - Access Time Write *
0 ms (0%)
AS SSD - Access Time Read *
0.1 ms (0%)
AS SSD - 4K-64 Write
400 MB/s (10%)
AS SSD - 4K-64 Read
468 MB/s (16%)
AS SSD - 4K Write
138 MB/s (1%)
AS SSD - 4K Read
35.9 MB/s (13%)
AS SSD - Sequential Write
1215 MB/s (25%)
AS SSD - Sequential Read
1535 MB/s (27%)
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
49.3 MB/s (1%)
CrystalDiskMark 5.2 / 6 - CDM 5 Write Seq
1188 MB/s (23%)
CrystalDiskMark 5.2 / 6 - CDM 5 Read Seq
1278 MB/s (24%)
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
457 MB/s (27%)
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
505 MB/s (32%)
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
1258 MB/s (22%)
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
1742 MB/s (19%)
DiskSpd - DiskSpd seq_write
1046 MB/s (21%)
DiskSpd - DiskSpd seq_read
1107 MB/s (24%)
DiskSpd - DiskSpd seq_q8t1_write
888 MB/s (15%)
DiskSpd - DiskSpd seq_q8t1_read
1727 MB/s (24%)
DiskSpd - DiskSpd Loop seq_q8t1_read
1723 MB/s (25%)
0100200300400500600700800900100011001200130014001500160017001616.361716.861718.121718.741720.211721.051721.671721.881722.511722.511722.721723.141723.351723.771724.191724.191724.391724.61724.61724.811724.811725.021725.021725.231725.441725.651725.651725.651725.861726.071726.281726.281726.491726.71726.911727.321727.531727.741727.741727.741728.161728.361729172917291730.051730.671731.831732.141734.65Tooltip
- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance

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v1.16
log 03. 11:12:04

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

#2 did not recreate cache, as it is less than 5 days old! Created at Thu, 29 Jul 2021 21:13:01 +0200 +0.001s ... 0.001s

#3 composed specs +0.003s ... 0.004s

#4 did output specs +0s ... 0.004s

#5 getting avg benchmarks for device 3524 +0.005s ... 0.009s

#6 got single benchmarks 3524 +0.004s ... 0.013s

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

#8 min, max, avg, median took s +0.42s ... 0.433s

#9 return log +0.011s ... 0.444s

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Notebook reviews with WDC PC SN520 SDAPMUW-256G

Lenovo IdeaPad 3 14IIL05: Intel Core i3-1005G1 Intel UHD Graphics G1 (Ice Lake 32 EU), 14.00", 1.6 kg
  Review » Lenovo IdeaPad 3 14IIL05 in review: Quiet office laptop with mediocre battery life

  External Review » Lenovo IdeaPad 3 14IIL05

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> Notebook / Laptop Reviews and News > Benchmarks / Tech > Laptop harddisks (HDD, SSD) benchmarks > WDC PC SN520 SDAPMUW-256G SSD Benchmarks
Klaus Hinum (Update: 2020-07-24)