DWPD stands for "device/drive writes per day". This is a measure of the number of times a storage device or drive is written to over the course of a day. This metric is important for assessing the reliability of a storage device or drive, as well as its performance in terms of write speed and endurance.
How much does an SSD write per day?
Assuming you are talking about a typical consumer-grade SSD, then the answer is that it depends on a number of factors, including the capacity of the SSD, the type of data being written, the frequency of writes, and the workload.
For example, a 120GB SSD may be able to sustain 30GB of writes per day for 5 years under light usage, but only 3GB of writes per day under heavy usage.
Type of data also matters. For example, writing only large files will put less wear on the drive than writing lots of small files.
Frequency of writes also matters. For example, if you are constantly writing and deleting files, that will put more wear on the drive than if you only write files once a day.
Finally, workload matters. If you are constantly writing and reading large files, that will put more wear on the drive than if you are only writing small files.
In general, though, a typical consumer-grade SSD will be able to sustain between 30GB and 100GB of writes per day for 5 years under light usage.
How do you calculate DWPD?
To calculate DWPD, you need to first determine the amount of data that will be written to the drive on a daily basis. This can be done by taking the average daily data transfer rate and multiplying it by the number of days in a year. Once you have the amount of data that will be written to the drive on a daily basis, you need to divide that number by the drive's capacity to determine the DWPD.
For example, let's say that you have a 1TB drive with an average daily data transfer rate of 100GB. This would mean that you would be writing 10TB of data to the drive every year. Dividing 10TB by 1TB gives you a DWPD of 10.
How many writes can an SSD take? The answer to this question depends on the type of SSD and the controller used. For example, a consumer-grade SSD may only be good for a few thousand writes, while an enterprise-grade SSD with a more robust controller can last for several hundred thousand writes. Ultimately, it is up to the manufacturer to specify the endurance of their SSDs. How many TB can a SSD write? The answer to this question depends on the specific SSD in question. However, most SSDs on the market today can handle between 1 and 10 TB of writes before they start to experience significant degradation.
How long will a 1TB SSD last? Assuming you are asking about the lifespan of a 1TB SSD, they typically last around 10 years under normal use conditions. However, it is important to keep in mind that SSDs can start to degrade after just a few years of use, so it is important to keep backups of your data and to regularly check the health of your SSD.