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// PCB Board Connectors

SO-DIMM DDR3 204-Pin

SO-DIMM DDR3 is the 204-pin laptop memory module interface for DDR3 RAM at 1.5V or 1.35V (DDR3L). Used in laptops, mini-PCs, and embedded systems from 2007 to present as legacy upgrade.

// Specifications
Standard
JEDEC DDR3 SO-DIMM
Pin Count
204
Voltage
1.5V / 1.35V DDR3L
Speeds
DDR3-800 to DDR3-2133
Use Case
Laptops, mini-PCs, NAS systems
Status
Being replaced by DDR4 and DDR5
// Pin Reference Table
Pin Name Function Type
1 VSS Ground GND
2 DQ0 Data bit 0 I/O
204 VSS Ground GND