Western Digital WD 2TB 3D NAND SATA III 2.5" Internal SSD (Retail) - Manual (Page 34)

Pin # Assignment Description
63 Mechanical Notch M
64 Mechanical Notch M
65 Mechanical Notch M
66 Mechanical Notch M
67 No Connect
68 No Connect
69 PEDET Ground = SATA
70 +3.3V 3.3V Source
71 GND Return Current Path
72 +3.3V 3.3V Source
73 GND Return Current Path
74 +3.3V 3.3V Source
75 GND Return Current Path
Interface
WD Blue 3D NAND SATA SSD
User Manual
29