Sd Card Reader & Memory Card Adapter
We can classify the readers by slots, speed, and connector. Firstly, let’s check about the slots difference.
1.Single-slot card reader
Obviously, this card reader just supports one type of memory card. The design of this reader is simple, slim, and light, it is also a cost-efficient option.
2.Multi-slots card reader
This card reader delivers multifunction and high level. The chip inside can be compatible with different protocol; therefore, the price is more expensive.
The connector of card reader mainly has USB, Type-c, Micro USB, and Lightening. These designs are related to the devices you use. To read memory card in most equipment, manufacturers have developed card readers in versatile shapes. Moreover, they have different speed version. It is almost same as standard USB flash drive, there are USB 2.0 and USB 3.0