ATX Version 3.0 Multi Rail Desktop Platform Power Supply

Design Guide

ID 336521
Date 01/02/2022
Version 2.0
Public
Document Table of Contents

Serial ATA* Connectors – REQUIRED

This is a required connector for systems with Serial ATA devices.

The detailed requirements for the Serial ATA Power Connector can be found in the “Serial ATA: High Speed Serialized AT Attachment” specification, Section 6.3 “Cables and connector specification”.

http://www.serialata.org/

Note:Connector pin numbers and wire numbers are not 1:1. Carefully check to confirm the correct arrangement.
Assembly: Molex* 88751 or equivalent.

Table 5-10: Serial ATA* Power Connector Pin-out

Wire

Signal

Color1

5

+3.3V DC

Orange2

4

COM

Black

3

+5V DC

Red

2

COM

Black

1

+12V1 DC

Yellow

Notes:
  1. 18 AWG wire.
  2. +3.3V DC is removed from SATA V3.2 spec. but it is recommended if there is backward compatibility concern.

Figure 5-5: Serial ATA* Power Connector

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