The HP 640 Redundant/External Power Supply Shelf is used with the HP 2920 Switch Series to provide redundant power to back up internal power supplies in the switches, as well as provide external power for applications where additional power is required, as in PoE+ applications. Unit ships ready to be populated with at least one optional power supply and power cable, purchased separately.

Scalability

• Three modular power supply slots: Supports redundant power for up to eight HP 2920 Switches: protects against internal switch power supply failures. Supports external power allowing up to three HP 2920 48 Port PoE+ Switches to support 1440W of PoE+ power : allows all 48 ports of a PoE+ switch to offer 30W of PoE+ power at the same time.


Resiliency and high availability

• External redundant power supply: provides high reliability


Configuration

• Easy configuration: provides full management features, available through connected HP 2920 Switches


Product architecture

• Three power supply module slots: allows failure of a power supply in one bay to not affect the other two power supplies


Warranty and support

• Lifetime warranty: advance hardware replacement for as long as you own theproduct with next-business-day delivery (available in mostcountries)†