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Is there a difference between SSD's besides read and write speed?

Created: Aug 5, 2022 18:48:10Latest reply: Aug 6, 2022 18:00:48 99 4 1 0 0
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Reason why im asking this is because some SSD's with lower read and write speeds are more expensive than SSD's with higher read and write speeds

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stephen.xu
Admin Created Aug 6, 2022 01:42:24

Hello, dear.

Performance indicators of SSDs include IOPS, bandwidth, and latency.
Input/Output Operations per Second (IOPS) refers to the number of I/Os that can be processed per second. Generally, OLTP database applications need to pay attention to the IOPS performance.
Bandwidth refers to the amount of data (MB/s) that can be successfully transferred per unit time. For a large number of sequential read/write applications, such as offline computing tasks, pay attention to the bandwidth.
Latency refers to the time (in us) it takes an SSD to process an I/O. Generally, online services are sensitive to high latency, and offline tasks are insensitive to high latency.

In addition to the preceding factors, the price of SSDs varies with vendors, service life (for example, the number of TBWs supported), and capacity.

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Gustavo.HdezF
Gustavo.HdezF Admin Created Aug 5, 2022 19:18:35

Hello User. we are reviewing your question and we will answer you shortly. Thanks.
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stephen.xu
stephen.xu Admin Created Aug 6, 2022 01:42:24

Hello, dear.

Performance indicators of SSDs include IOPS, bandwidth, and latency.
Input/Output Operations per Second (IOPS) refers to the number of I/Os that can be processed per second. Generally, OLTP database applications need to pay attention to the IOPS performance.
Bandwidth refers to the amount of data (MB/s) that can be successfully transferred per unit time. For a large number of sequential read/write applications, such as offline computing tasks, pay attention to the bandwidth.
Latency refers to the time (in us) it takes an SSD to process an I/O. Generally, online services are sensitive to high latency, and offline tasks are insensitive to high latency.

In addition to the preceding factors, the price of SSDs varies with vendors, service life (for example, the number of TBWs supported), and capacity.

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  • convention:

VinceD
VinceD Moderator Created Aug 6, 2022 18:00:48

Looks like its reverse to me. SSD's with lower read and write speeds are supposed to be cheaper than SSD's with higher read and write speeds. We are paying higher because of a better performance same thing with other products.
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VinceD
VinceD Created Aug 6, 2022 18:00:57 (0) (0)
 

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