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Samsung SSD 850 EVO 250GB

The 250 GB Samsung 850 EVO is a 2.5" solid state drive. We first tested the SSD in 2015. The data transfer rates were good for a SATA III based drive, with the interface's theoretical bandwidth of up to 600 MB/s almost saturated.

Notebookcheck says:

... allows for fast load as well as copy times - Nexoc M512 III (Clevo W650RB) Laptop Review, 2015

TypeSSD
Size2.5
Capacity250 GB
InterfaceSATA III
ControllerMEX
Announced01.11.2014
LinkSamsung SSD 850 EVO 250GB

Benchmarks

AS SSD - Copy Game
186.9 MB/s (3%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Copy Program
128.5 MB/s (5%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Copy ISO
186.9 MB/s (1%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Score Total
min: 630     avg: 1033     median: 1081.5 (7%)     max: 1183 Points
+ 30 benchmarks and specifications   + Show comparison chart
AS SSD - Score Write
min: 182     avg: 371.9     median: 400.5 (6%)     max: 437 Points
+ 30 benchmarks and specifications   + Show comparison chart
AS SSD - Score Read
min: 265     avg: 427.9     median: 441.5 (7%)     max: 476 Points
+ 30 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Write *
min: 0.025     avg: 0     median: 0 (0%)     max: 0.055 ms
+ 30 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Read *
min: 0.05     avg: 0.1     median: 0.1 (0%)     max: 0.096 ms
+ 30 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Write
min: 51.8     avg: 235.5     median: 256.1 (4%)     max: 294.1 MB/s
+ 30 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Read
min: 204.5     avg: 338.9     median: 351 (7%)     max: 382.9 MB/s
+ 30 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Write
min: 64.9     avg: 90.2     median: 86.4 (17%)     max: 130.2 MB/s
+ 30 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Read
min: 30.38     avg: 39.6     median: 39.8 (13%)     max: 47.39 MB/s
+ 30 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Write
min: 254.7     avg: 461.5     median: 475.1 (4%)     max: 499.4 MB/s
+ 30 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Read
min: 266.9     avg: 494.7     median: 504.5 (4%)     max: 516 MB/s
+ 30 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - 4K QD32 Write
min: 84.8     avg: 286.7     median: 294.6 (27%)     max: 369.1 MB/s
+ 30 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - 4K QD32 Read
min: 214.7     avg: 337.5     median: 353.9 (27%)     max: 398.1 MB/s
+ 30 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - 4K Write
min: 79.4     avg: 109.1     median: 104.2 (3%)     max: 164.6 MB/s
+ 30 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - 4K Read
min: 33.57     avg: 46     median: 46.2 (1%)     max: 53.4 MB/s
+ 30 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - 512K Write
min: 264.2     avg: 375.5     median: 383.3 (4%)     max: 404.9 MB/s
+ 30 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - 512K Read
min: 267.3     avg: 448.2     median: 462.7 (10%)     max: 487.6 MB/s
+ 30 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - Sequential Write
min: 267     avg: 470.5     median: 485.6 (5%)     max: 518 MB/s
+ 30 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 3.0 - Sequential Read
min: 278.3     avg: 509     median: 517.5 (6%)     max: 534 MB/s
+ 30 benchmarks and specifications   + Show comparison chart
HD Tune Transfer Rate Minimum - HD Tune Transfer Rate Minimum
min: 97.7     avg: 394.3     median: 401.9 (20%)     max: 460.9 MB/s
+ 20 benchmarks and specifications   + Show comparison chart
HD Tune Transfer Rate Average - HD Tune Transfer Rate Average
min: 185.6     avg: 422.9     median: 435.7 (18%)     max: 468.4 MB/s
+ 20 benchmarks and specifications   + Show comparison chart
HD Tune Transfer Rate Maximum - HD Tune Transfer Rate Maximum
min: 355.5     avg: 445     median: 446.2 (18%)     max: 472.8 MB/s
+ 20 benchmarks and specifications   + Show comparison chart
- Range of benchmark values
red legend - Average benchmark values
* Smaller numbers mean a higher performance

Add one or more devices and compare

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v1.35
log 13. 00:20:20

#0 ran 0s before starting gpusingle class +0s ... 0s

#1 no ids found in url (should be separated by "_") +0s ... 0s

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

#3 did not recreate cache, as it is less than 5 days old! Created at Sat, 08 Nov 2025 23:44:44 +0100 +0.001s ... 0.001s

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

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

#6 getting avg benchmarks for device 724 +0.002s ... 0.005s

#7 got single benchmarks 724 +0.05s ... 0.055s

#8 got avg benchmarks for devices +0s ... 0.055s

#9 min, max, avg, median took s +0.998s ... 1.053s

#10 return log +0.001s ... 1.054s

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Klaus Hinum (Update: 2020-09-23)