The J9581A is an HPE X311 400W hot-swappable AC power supply module used in HPE ProCurve / Aruba 3800 series switches. It converts 100–240V AC input into 12V DC output, providing stable and redundant power for enterprise access and aggregation switches.
It is designed for high-availability networking environments, allowing replacement without powering down the switch.
Key Features
- 400W AC to DC power conversion module
- Supports 100–240V AC universal input
- Hot-swappable design (no downtime replacement)
- Designed for HPE ProCurve / Aruba 3800 Series switches
- Supports redundant power configurations
- Built-in active cooling fan
- Enterprise-grade reliability for continuous operation
- Efficient power delivery for network switching systems
Technical Specifications
- Part Number: J9581A
- Model: X311 Power Supply
- Product Type: Switch power supply module
- Power Output: 400W
- Input Voltage: 100–240V AC
- Output Voltage: 12V DC
- Frequency: 50–60 Hz
- Compatibility:
- HPE ProCurve 3800 Series
- Aruba 3800-24G / 3800-48G switches
- Cooling: Active fan (integrated)
- Form Factor: Internal hot-plug PSU module
- Redundancy: Supported (dual PSU configurations)
- Use Case: Enterprise campus switches, access layer networking
90 DAY'S
