Intel® Solid-State Drive 520 Series
February 2012 Product Specification
Order Number: 325968-001US 13
Intel® Solid-State Drive 520 Series
4.0 Pin and Signal Descriptions

4.1 Pin Locations

Note: 2.5-inch connector supports in-built latching capability.

4.2 Signal Descriptions

4.2.1 Connector Pin Signal Definitions

Note: Key and spacing separate signal and power segments.
Figure 3. Layout of Signal and Power Segment Pins
Table 9. Serial ATA C onnector Pin Signal Definitions
Pin Function Definition
S1 Ground 1st mate
S2 A+ Differential signal pair A
S3 A-
S4 Ground 1st mate
S5 B- Differential signal pair B
S6 B+
S7 Ground 1st mate
Signal Segment S1 Power Segment P1