Arista PWR-2421-HV-RED | 2400W High-Voltage AC/DC Power Supply, Hot-Swap

Q: Which Arista switch models are compatible with the PWR-2421-HV-RED?
A: This power supply is designed for the Arista 7388X5 Series modular switches and is an optional PSU for select 7280R3 and 7050X4 Series models. Always verify compatibility with your specific switch model and deployment requirements before installation.

Q: What does the HV designation mean in the model number?
A: HV stands for high voltage, indicating this PSU supports both standard AC voltage (100-240V) and a wider DC voltage range (192-400V), making it suitable for diverse power infrastructure environments including high-voltage DC deployments.

Q: Is this power supply hot-swappable?
A: Yes, the PWR-2421-HV-RED is a hot-plug, redundant power supply that can be replaced without powering down the switch, ensuring continuous operation and minimizing downtime during maintenance or PSU failures.

Q: What is the significance of the red handle?
A: The red handle provides quick visual identification among installed power supplies, helping data center technicians easily distinguish this high-voltage PSU from other models during installation, maintenance, or troubleshooting procedures.

Q: What efficiency rating does this power supply achieve?
A: The PWR-2421-HV-RED operates at 96% typical efficiency, significantly reducing energy waste, lowering operational costs, and minimizing heat generation in high-density data center environments.