Western Digital WD 2TB 3D NAND SATA III 2.5" Internal SSD (Retail) - Manual (Page 32)

Pin # Assignment Description
P13 V12 Not connected
P14 V12 Not connected
P15 V12 Not connected
M.2 Pin Assignments
Pin # Assignment Description
1 Presence Detection Pulled low by device
2 +3.3V 3.3V Source
3 GND Return Current Path
4 +3.3V 3.3V Source
5 No Connect
6 No Connect
7 No Connect
8 No Connect
9 No Connect
10 DAS/DSS# Device Activity
11 No Connect
12 Mechanical Notch B
13 Mechanical Notch B
14 Mechanical Notch B
15 Mechanical Notch B
16 Mechanical Notch B
17 Mechanical Notch B
18 Mechanical Notch B
19 Mechanical Notch B
20 No Connect
21 OC SSD GND = SSD
22
23 No Connect
24 No Connect
25 No Connect
26 No Connect
27 GND Return Current Path
28 No Connect
29 No Connect
Interface
WD Blue 3D NAND SATA SSD
User Manual
27