USB FLASH DRIVE VS SD CARD

 

USB Flash Drive:

USB flash drives are detachable, writable storage devices that connect via a USB port and use non-volatile flash memory technology, as their name suggests.
Despite their small size, USB flash drives provide a lot of storage space, with capacities ranging from 128MB (though you don't often see this kind of disk anymore) to 2TB.
Additionally adaptable, the little but mighty storage device provides forward and backward compatibility with the USB standard that the device it is linked to supports.

The USB 3.0 capacity of a flash drive, for instance, would still function with a USB 2.0-compatible device. On a device that supports USB 3.1, it would also function similarly. Flash drives work with any gadget that has a USB connector.
Although the actual speed in the real world is substantially slower, the USB drive's transfer speed is dependent on the USB standard of the device.

SD Card:

SD (Secure Digital) cards use non-volatile flash memory and are comparable to USB flash drives in that they are removable and rewriteable.

There are three different form factors available for the five SD card families. The supported form factors are microSD, miniSD, and regular size.
There are five families based on the card's capacity. An SDSC (SD Standard Capacity) card can hold up to 2GB of data, an SDHC (SD High Capacity) card up to 32GB, an SDXC (SD Extended Capacity) card up to 2TB, and an SDUC (SD Ultra Capacity) card up to 64 times as much data as an SDXC (128TB). An SDIO (SD (Input/Output)) card can handle input/output operations. Depending on the bus interface speed of the SD card slot, files can transfer data at various rates.

SD cards are less tolerant of connectivity issues than USB devices. While USB drives just require a USB port, which is available on the majority of modern PCs, an SD card requires a compatible slot and a host device to operate.