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4-HDD Backplane

4-HDD Backplane

Overview

The Standard 4-HDD Backplane provides power and data connectivity for up to four 3.5" hard disk drives or large-capacity SSDs, with integrated power regulation and SAS connectivity.

This backplane is optimized for traditional 3.5" hard disk drives, providing the higher power requirements and robust connectivity needed for spinning disk storage systems.

Key Features

  • 12 SATA/SAS 2.5" drive connectors for maximum storage density
  • Integrated 5V power regulation from 12V input
  • Triple SAS output connectors for flexible HBA connectivity
  • Hot-swap capability with proper drive cages
  • LED activity indicators for each drive bay

Technical Specifications

Parameter Specification
Drive Connectors 4 x SATA/SAS 3.5"
SAS Output 1 SAS Out Connector
Input Voltage 12V DC
Output Voltages 12V pass-through, 5V regulated (5A Max)
Max Power Consumption 53 Watts
Hot-Swap Yes

Backplane Diagram

4-HDD Backplane

Status Indicators

Each drive bay includes:
- Power LED Green when drive is powered
- Activity LED Flashing during I/O operations

Power LED Compatibility

Some drives do not trigger the LEDs but are functioning correctly.

Installation Guide

For PCB and Backplane Installation see PCB Installation
For Drive Cage Installation see Cage Installation

Drive Installation

  1. Insert drives gently into drive cages.
  2. Gently press drive down until firmly seated.
  3. Verify with LED indicators after system power-on.