Condition: Refurbished

The HP 643954-201 (HSTNS-PL28) is a 460W hot-swappable Common Slot (CS) server power supply used in HP ProLiant Gen8 rack and tower servers. It is designed to provide reliable, redundant power in enterprise environments where continuous uptime is required. It converts 100–240V AC input power into a regulated 12V DC output rail, supplying power to server components such as CPUs, memory, storage drives, and I/O subsystems.

Features:

• 460W output power capacity Hot-plug / hot-swap design for redundant server operation
• HP Common Slot (CS) proprietary blade connector Single 12V high-current output rail (~38.3A)
• High-efficiency design (typically 80 PLUS Platinum-class) Integrated smart fan cooling with variable-speed control
• Supports server management monitoring via system backplane (PMBus/I²C communication in compatible systems)

Whats in the Box?

• 643954-201

Specifications:

General Information

• Maximum Power rating, in Watts: 460
• PSU Type: Redundant Power Supply
• Energy Star Certifications: NONE
• # of Fans: 1
• Connector Type of PSU: 20+4Pin