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VT-SBC-C3558R | User Manual 12
2.2
Memory and Storage
2.2.1
DDR4 RAM
VT-SBC-C3558R implements a DDR4 SO-DIMM socket, supporting up to 32
GB RAM.
2.2.2
eMMC Flash
VT-SBC-C3558R provides an eMMC 5.0 flash with 32GB capacity by default. It is used as
the default boot and storage device.
There are additional two SATA 3.0 connectors and an M.2 B-Key (2280) on the Board for
users to expand the storage capacity.
2.3
Identification of Pin 1
Unless otherwise stated, pin 1 of a connector is seated on a square pad that is different
from the round pads used for other pins. Sometimes, pin 1 is next to a trigonal mark on
the board. When there are two rows of pins on a connector, the row with pin 1 is
composed of odd numbers and the other is composed of even numbers.
Usually, there will be numbers or marks next to the pins of a connector on the board to
indicate the pinouts.
