Notebookcheck
 
 
 
 

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 The SSD makes use of the outdated SATA III bus with a peak bandwidth of 600 MB/s. We first tested the Z400s in 2016.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
+ 3 benchmarks and specifications   + Show comparison chart
AS SSD - Copy Program
min: 89.45     avg: 132     median: 151.4 (6%)     max: 156.33 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
AS SSD - Copy ISO
min: 246.45     avg: 253     median: 248.2 (7%)     max: 263.02 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
AS SSD - Score Total
min: 569     avg: 606     median: 616 (7%)     max: 632 Points
+ 3 benchmarks and specifications   + Show comparison chart
AS SSD - Score Write
min: 262     avg: 296     median: 306 (7%)     max: 321 Points
+ 3 benchmarks and specifications   + Show comparison chart
AS SSD - Score Read
min: 206     avg: 207     median: 207 (7%)     max: 207 Points
+ 3 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Write *
min: 0.157     avg: 0.2     median: 0.2 (0%)     max: 0.173 ms
+ 3 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Read *
min: 0.111     avg: 0.1     median: 0.1 (0%)     max: 0.153 ms
+ 3 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Write
min: 183.21     avg: 198     median: 198.8 (5%)     max: 211.78 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Read
min: 137.4     avg: 138     median: 137.9 (6%)     max: 139.3 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Write
min: 54.09     avg: 69.4     median: 75.3 (1%)     max: 78.75 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Read
min: 17.53     avg: 18.7     median: 19.3 (7%)     max: 19.37 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Write
min: 251.47     avg: 292     median: 309.1 (7%)     max: 316.85 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Read
min: 495.76     avg: 498     median: 498.1 (9%)     max: 501.31 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - 4K QD32 Write
min: 138     avg: 223     median: 241.3 (32%)     max: 272.7 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - 4K QD32 Read
min: 141.3     avg: 144     median: 144.3 (15%)     max: 148 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - 4K Write
min: 62.68     avg: 79.5     median: 83.7 (9%)     max: 88.01 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - 4K Read
min: 11.24     avg: 17.5     median: 18.9 (0%)     max: 20.99 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - 512K Write
min: 283.1     avg: 291     median: 289.4 (7%)     max: 300.3 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - 512K Read
min: 290.2     avg: 315     median: 321.2 (14%)     max: 333.4 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - Sequential Write
min: 243.3     avg: 303     median: 322.6 (8%)     max: 325.1 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - Sequential Read
min: 447.4     avg: 482     median: 486.1 (14%)     max: 508.9 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
PCMark 8 - PCMark 8 Storage v2
4841 Points (94%)
+ 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), 2021, 2020
v1.16

Notebook reviews with SanDisk Z400s SD8SNAT-256G

HP 15-ba077ng: AMD A12-9700P AMD Radeon R7 (Bristol Ridge), 15.60", 2 kg
  Review » HP 15-ba077ng Notebook Review

HP 250 G5 SP X0N33EA: Intel Core i5-6200U Intel HD Graphics 520, 15.60", 2.1 kg
  Review » HP 250 G5 SP X0N33EA Notebook Review

HP Pavilion 17-x110ng: Intel Core i5-7200U AMD Radeon R7 M440, 17.30", 2.5 kg
  Review » HP Pavilion 17-x110ng Notebook Review

HP ProBook 470 G4: Intel Core i7-7500U NVIDIA GeForce 930MX, 17.30", 2.8 kg
  Review » HP ProBook 470 G4 Notebook Review

HP 250 G5 SP X0N33EA: Intel Core i5-6200U Intel HD Graphics 520, 15.60", 2.1 kg
  External Review » HP 250 G5 SP X0N33EA

HP ProBook 470 G4: Intel Core i7-7500U NVIDIA GeForce 930MX, 17.30", 2.8 kg
  External Review » HP ProBook 470 G4

Please share our article, every link counts!
> Notebook / Laptop Reviews and News > Benchmarks / Tech > Laptop harddisks (HDD, SSD) benchmarks > SanDisk Z400s SD8SNAT-256G SSD Benchmarked
Klaus Hinum (Update: 2020-09-26)