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Comparison Apacer Panther AS350X AP256GAS350XR 256 GB vs Apacer Panther AS350 AP256GAS350-1 256 GB

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Apacer Panther AS350X AP256GAS350XR 256 GB
Apacer Panther AS350 AP256GAS350-1 256 GB
Apacer Panther AS350X AP256GAS350XR 256 GBApacer Panther AS350 AP256GAS350-1 256 GB
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Placementinternalinternal
Size256 GB256 GB
Form factor2.5"2.5"
InterfaceSATA 3SATA 3
Technical specs
Memory type3D TLC NAND3D TLC NAND
Write speed540 MB/s540 MB/s
Read speed560 MB/s560 MB/s
Shockproof1500 G1500 G
MTBF1.5 m h1.5 m h
Write IOPS75 K74 K
Read IOPS35 K81 K
TBW180 TB180 TB
DWPD0.7 times/day0.7 times/day
Manufacturer's warranty3 years3 years
General
TRIM
Size100x70x7 mm100x70x7 mm
Weight60 g
Added to E-Catalogfebruary 2021august 2020

Write IOPS

The IOPS provided by the drive in write mode.

The term IOPS refers to the highest number of I / O operations that an SSD module can perform per second, in this case, when writing data. By this indicator, the speed of the drive is often evaluated; however, this is not always true. Firstly, the IOPS values of different manufacturers can be measured in different ways — by the maximum value, by average, by random write, by sequential write, etc. Secondly, the benefits of high IOPS become noticeable only with some specific operations — in in particular, the simultaneous copying of numerous files. In addition, in fact, the speed of the drive may be limited by the system to which it is connected. In light of all this, it is generally acceptable to compare different SSD modules by IOPS, but the real difference in performance is likely not to be as noticeable as the difference in numbers.

As for specific values, for the write mode with IOPS up to 50K is considered relatively modest, 50 – 100K — medium, more than 100K — high.

Read IOPS

The IOPS provided by the drive in read mode.

The term IOPS refers to the maximum number of I / O operations that an SSD module can perform per second, in this case, when reading data from it. By this indicator, the speed of the drive is often evaluated; however, this is not always true. Firstly, the IOPS values of different manufacturers can be measured in different ways — by the maximum value, by the average, etc. Secondly, the advantages of high IOPS become noticeable only with some specific operations — in particular, when copying numerous files at the same time. In addition, in fact, the speed of the drive may be limited by the system to which it is connected. In light of all this, it is generally acceptable to compare different SSD modules by IOPS, but the real difference in performance is likely not to be as noticeable as the difference in numbers.

For modern SSDs in read mode, an IOPS value of less than 50K is considered a very limited indicator, in most models this parameter lies in the range of 50 – 100K, but there are also higher numbers.
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