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FSP700-50RAB Power Supply Unit: Appearance and Pinout Diagram

This document provides a detailed technical overview of the FSP700-50RAB power supply unit, including its physical dimensions, connector pin assignments, and cable specifications.

Document Overview

Brand: FSP

Model Number: FSP700-50RAB (F660001)

Document ID: OAD-00007222

Document Type: Technical Specification / Wiring Diagram

Release Date: 2020/09/08

Manufacturer: FSP TECHNOLOGY INC.

(Note: Document contains Chinese text related to document control, such as "No copying/reprinting" [禁止翻印] and "Document data management" [文件資料管理].)

Physical Dimensions

The power supply unit has the following approximate dimensions:

  • Length: 150.00 mm [5.91 inches]
  • Height: 86.00 mm [3.39 inches]
  • Width: Approximately 140.00 mm [5.51 inches] (inferred from drawing details)

Mounting hole specifications are provided in the original diagram, indicating standard screw sizes like #6-32 UNC.

Connector Pinout Details

The following tables detail the pin assignments for various connectors on the FSP700-50RAB power supply. Cable lengths are specified excluding the housing, and tolerances are noted.

P1 (24-pin ATX Main Power Connector)

PinSignalColorGauge (AWG)Length (mm)
1+3.3VDCOrange18500±20
2+3.3VDCOrange18500±20
3COMBlack18500±20
4+5VDCRed18500±20
5COMBlack18500±20
6+5VDCRed18500±20
7COMBlack18500±20
8PW-ONGray22500±20
9+5VsbPurple18500±20
10+12V3Yel/Blue18500±20
11+12V3Yel/Blue18500±20
12+3.3VDCOrange18500±20
13+3.3VDCOrange18500±20
14+3.3VSenseBrown22500±20
15-12VDCBlue22500±20
16PS-ONGreen22500±20
17COMBlack18500±20
18COMBlack18500±20
19COMBlack18500±20
20COMBlack18500±20
21+5VDCRed18500±20
22+5VDCRed18500±20
23+5VDCRed18500±20
24COMBlack18500±20

P4, P5, P8, P9 (4-pin Molex Peripheral Connectors)

These connectors typically provide +5V, +12V, and ground connections. The diagram lists several such connectors with similar configurations.

ConnectorPinSignalColorGauge (AWG)Length (mm)
P41COMBlack18500±20
P42COMBlack18500±20
P43COMBlack18500±20
P44+5VRed18500±20
P51COMBlack18500±20
P52COMBlack18500±20
P53COMBlack18500±20
P54+5VRed18500±20
P81COMBlack18500±20
P82COMBlack18500±20
P83COMBlack18500±20
P84+5VRed18500±20
P91COMBlack18500±20
P92COMBlack18500±20
P93COMBlack18500±20
P94+5VRed18500±20

CPU Power Connectors (4-pin Molex)

These connectors are for CPU power delivery.

ConnectorPinSignalColorGauge (AWG)Length (mm)
CPU11COMBlack18500±20
CPU12COMBlack18500±20
CPU13COMBlack18500±20
CPU14+12V1Yellow18500±20
CPU21COMBlack18500±20
CPU22COMBlack18500±20
CPU23COMBlack18500±20
CPU24+12V2Yel/Black18500±20

Additional Peripheral/Special Connectors

Details for other connectors like PA, PB, PC, PD, PE, PG, PH, PI, PJ, K3B, K4B, and P9 (SATA/Peripheral) are provided.

ConnectorPinSignalColorGauge (AWG)Length (mm)
PA1COMBlack20500±20
PA2COMBlack20500±20
PA3COMBlack20500±20
PA4+5VRed20500±20
PB1COMBlack20155±10
PB2COMBlack20155±10
PB3COMBlack20155±10
PB4+5VRed20155±10
PC1COMBlack20500±20
PC2COMBlack20500±20
PC3COMBlack20500±20
PC4+5VRed20500±20
PD1COMBlack20155±10
PD2COMBlack20155±10
PD3COMBlack20155±10
PD4+5VRed20155±10
PE1COMBlack20155±10
PE2COMBlack20155±10
PE3COMBlack20155±10
PE4+5VRed20155±10
PG1+3.3VDCOrange20500±20
PG2COMBlack20500±20
PG3+5VRed20500±20
PG4COMBlack20500±20
PH1+3.3VDCOrange20500±20
PH2COMBlack20500±20
PH3+5VRed20500±20
PH4COMBlack20500±20
PI1+3.3VDCOrange20500±20
PI2COMBlack20500±20
PI3+5VRed20500±20
PI4COMBlack20500±20
PJ1+3.3VDCOrange20500±20
PJ2COMBlack20500±20
PJ3+5VRed20500±20
PJ4COMBlack20500±20
K3B1COMBlack18155±10
K3B2COMBlack18155±10
K3B3COMBlack18155±10
K3B4+12V2Yel/Black18155±10
K4B1COMBlack18155±10
K4B2COMBlack18155±10
K4B3COMBlack18155±10
K4B4+12V1Yellow18155±10
P91SCLBlue22500±20
P92SDAPurple22500±20
P93PSALERTGreen22500±20
P94COMBlack22500±20

Technical Notes

  • All wire lengths are specified excluding the connector housing.
  • Tolerances for dimensions are: .XX = ±0.5 mm [±0.02 inches], .XXX = ±0.25 mm [±0.01 inches].
  • Two types of customer brackets are included with the product.
  • Associated screw part numbers: 50A0073201GP_SR10769, 50A0073301GP_SR10569, 50A0073401GP_RM41300.

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