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SanDisk Z400s SD8SNAT-256G

The SanDisk Z400s SD8SNAT-256G is an M.2 22x80 type solid state drive with a capacity of 256 GB. The SSD makes use of the outdated SATA III bus with a peak bandwidth of 600 MB/s. We first tested the Z400s in 2016.

Notebookcheck says:

... The determined transfer rates meet the specs from the manufacturer: SanDisk advertises up to 546 MB/s (read) and 342 MB/s (write) - HP Pavilion 17 Laptop Review, 2017

TypeSSD
SizeM.2 2280
Capacity256 GB
Interface
Announced01.01.2016

Benchmarks

AS SSD - Copy Game
min: 171.13     avg: 207     median: 220 (4%)     max: 231.28 MB/s
AS SSD - Copy Program
min: 89.45     avg: 132     median: 151.4 (6%)     max: 156.33 MB/s
AS SSD - Copy ISO
min: 246.45     avg: 253     median: 248.2 (7%)     max: 263.02 MB/s
AS SSD - Score Total
min: 569     avg: 606     median: 616 (8%)     max: 632 Points
AS SSD - Score Write
min: 262     avg: 296     median: 306 (8%)     max: 321 Points
AS SSD - Score Read
min: 206     avg: 207     median: 207 (8%)     max: 207 Points
AS SSD - Access Time Write *
min: 0.157     avg: 0.2     median: 0.2 (0%)     max: 0.173 ms
AS SSD - Access Time Read *
min: 0.111     avg: 0.1     median: 0.1 (0%)     max: 0.153 ms
AS SSD - 4K-64 Write
min: 183.21     avg: 198     median: 198.8 (6%)     max: 211.78 MB/s
AS SSD - 4K-64 Read
min: 137.4     avg: 138     median: 137.9 (6%)     max: 139.3 MB/s
AS SSD - 4K Write
min: 54.09     avg: 69.4     median: 75.3 (1%)     max: 78.75 MB/s
AS SSD - 4K Read
min: 17.53     avg: 18.7     median: 19.3 (7%)     max: 19.37 MB/s
AS SSD - Sequential Write
min: 251.47     avg: 292     median: 309.1 (7%)     max: 316.85 MB/s
AS SSD - Sequential Read
min: 495.76     avg: 498     median: 498.1 (10%)     max: 501.31 MB/s
CrystalDiskMark 3.0 - 4K QD32 Write
min: 138     avg: 223     median: 241.3 (32%)     max: 272.7 MB/s
CrystalDiskMark 3.0 - 4K QD32 Read
min: 141.3     avg: 144     median: 144.3 (15%)     max: 148 MB/s
CrystalDiskMark 3.0 - 4K Write
min: 62.68     avg: 79.5     median: 83.7 (33%)     max: 88.01 MB/s
CrystalDiskMark 3.0 - 4K Read
min: 11.24     avg: 17.5     median: 18.9 (0%)     max: 20.99 MB/s
CrystalDiskMark 3.0 - 512K Write
min: 283.1     avg: 291     median: 289.4 (7%)     max: 300.3 MB/s
CrystalDiskMark 3.0 - 512K Read
min: 290.2     avg: 315     median: 321.2 (14%)     max: 333.4 MB/s
CrystalDiskMark 3.0 - Sequential Write
min: 243.3     avg: 303     median: 322.6 (8%)     max: 325.1 MB/s
CrystalDiskMark 3.0 - Sequential Read
min: 447.4     avg: 482     median: 486.1 (14%)     max: 508.9 MB/s
PCMark 8 - PCMark 8 Storage v2
4841 Points (94%)
- 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 SanDisk Z400s SD8SNAT-256G

HP 15-ba077ng: AMD A12-9700P AMD Radeon R7 (Bristol Ridge), 15.6", 2 kg
  Review » HP 15-ba077ng Notebook Review

HP 250 G5 SP X0N33EA: Intel Core i5-6200U Intel HD Graphics 520, 15.6", 2.1 kg
  Review » HP 250 G5 SP X0N33EA Notebook Review

HP Pavilion 17-x110ng: Intel Core i5-7200U AMD Radeon R7 M440, 17.3", 2.5 kg
  Review » HP Pavilion 17-x110ng Notebook Review

HP ProBook 470 G4: Intel Core i7-7500U NVIDIA GeForce 930MX, 17.3", 2.8 kg
  Review » HP ProBook 470 G4 Notebook Review

HP 250 G5 SP X0N33EA: Intel Core i5-6200U Intel HD Graphics 520, 15.6", 2.1 kg
  External Review » HP 250 G5 SP X0N33EA

HP ProBook 470 G4: Intel Core i7-7500U NVIDIA GeForce 930MX, 17.3", 2.8 kg
  External Review » HP ProBook 470 G4

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> Notebook / Laptop Reviews and News > Benchmarks / Tech > Laptop harddisks (HDD, SSD) benchmarks > SanDisk Z400s SD8SNAT-256G SSD Benchmarked
Klaus Hinum (Update: 2020-09-26)