// PCB Board Connectors

DDR3 DIMM Slot 240-Pin

DDR3 DIMM slot is the 240-pin desktop memory interface for DDR3 RAM modules operating at 1.5V or 1.35V (DDR3L). Speeds range from DDR3-800 to DDR3-2133 with 64-bit data width.

// Specifications

Standard

JEDEC DDR3 JESD79-3

Pin Count

240

Voltage

1.5V standard / 1.35V DDR3L

Speeds

DDR3-800 to DDR3-2133

Data Width

64-bit

Use Case

Desktop PCs, servers pre-DDR4

// Pin Reference Table

Pin	Name	Function	Type
1	VSS	Ground	GND
2	DQ0	Data bit 0	I/O
3	DQ1	Data bit 1	I/O
6	DQS0+	Data strobe 0 positive	I/O
240	VSS	Ground	GND