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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
Interface

Benchmarks

Performance Rating - DiskSpd
37.2 pt (43%)
AS SSD - Copy Game
546 MB/s (9%)
AS SSD - Copy Program
253 MB/s (9%)
AS SSD - Copy ISO
754 MB/s (22%)
AS SSD - Score Total
1647 Points (22%)
AS SSD - Score Write
659 Points (18%)
AS SSD - Score Read
657 Points (25%)
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 (13%)
AS SSD - 4K-64 Read
468 MB/s (21%)
AS SSD - 4K Write
138 MB/s (1%)
AS SSD - 4K Read
35.9 MB/s (13%)
AS SSD - Sequential Write
1215 MB/s (29%)
AS SSD - Sequential Read
1535 MB/s (31%)
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
173 MB/s (39%)
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 (28%)
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 (29%)
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
1742 MB/s (19%)
DiskSpd - DiskSpd 4k_q1t1_write
182 MB/s (70%)
DiskSpd - DiskSpd 4k_q1t1_read
41.8 MB/s (16%)
DiskSpd - DiskSpd 4k_q32t16_write
683 MB/s (21%)
DiskSpd - DiskSpd 4k_q32t16_read
665 MB/s (27%)
DiskSpd - DiskSpd seq_write
1046 MB/s (32%)
DiskSpd - DiskSpd seq_read
1107 MB/s (36%)
DiskSpd - DiskSpd seq_q8t1_write
888 MB/s (25%)
DiskSpd - DiskSpd seq_q8t1_read
1727 MB/s (48%)
DiskSpd - DiskSpd Loop seq_q8t1_read
1723 MB/s (48%)
- 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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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", 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)