SDE is not a type of HDD but refers more to the type of file build on the HDD. SDE actually stands for Safeguard Disk Encryption. For example, if someone has SDE on their HDD then the HDD is safeguarded against intruders. For example, you pull the HDD out of someones laptop or desktop pc and connect it to a power supply and transfer protocol adapter to it and plug it in to your computers usb to access the data on the HDD. SDE on the HDD in question will most likely tell you the HDD is encrypted and cannot be accessed or it may ask for encryption password. SDE is also standard measure in the corporate world where their data is the most important sensitive aspect of the health of their company. Should a intruder make access into their network this feature will help protect the privacy and security of the data. SDE can also be used as a safety measure against HDD failure and data loss. A lot of PC manufacturers use a form of SDE as system recovery in the Bios. System recovery usually backs up the data on the HDD to the RAM and restores the OS to its original state when it was installed. Hope this was helpful.
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Sde Moshe was created in 1956.
The population of Sde Moshe is 423.
Sde Nitzan was created in 1973.
Sde Nitzan's population is 250.
Sde Ya'akov was created in 1927.
The population of Sde Ilan is 396.
Sde Ilan was created in 1949.
Sde Tzvi was created in 1953.
Sde Nehemia was created in 1940.
Sde Yitzhak was created in 1951.
The population of Sde David is 417.
Sde Uziyahu was created in 1950.