720478-B21 HPE power supply hot-plug / redundant at discount

720478-B21 Specifications

HPE 500W Flex Slot Platinum Hot‑Plug Power Supply Kit

Manufacturer: Hewlett Packard Enterprise (HPE)
Manufacturer Model: 720478-B21
Product Line: HPE ProLiant
Product Series: Gen9 (Flex Slot)
Product Type: Server Power Supply Unit (PSU)
Product Name: HPE 500W Flex Slot Platinum Hot‑Plug Power Supply Kit

KEY FEATURES:
Power Output: 500W
Input Voltage: AC 100‑240V
Frequency: 50‑60 Hz
Efficiency Rating: 80 PLUS Platinum (up to ~94%)
Form Factor: Flex Slot (hot‑plug, tool‑less design)
Redundancy Support: Yes – supports redundant PSU configurations
Hot‑Plug Capability: Yes – allows replacement without powering down the server
Compatibility: Designed for HPE ProLiant DL300 Gen9 servers and other systems using HPE Flex Slot architecture

PERFORMANCE:
Maximum Power Output: 500W
Typical Efficiency: Up to ~94%
Power Supply Type: Auto‑sensing, hot‑plug module
Cooling Performance: Internal fan‑cooled for high‑density server environments

ENVIRONMENTAL & RELIABILITY:
Operating Temperature Range: 5°C – 55°C (41°F – 131°F)
Storage Temperature Range: ‑40°C – 85°C (‑40°F – 185°F)
Operating Humidity: 5% – 95% (non‑condensing)
Reliability: Enterprise‑grade design, built for continuous server operation
Certifications: UL, TUV, cUL, CCC, KCC, BSMI, WEEE, CISPR

PHYSICAL:
Form Factor: Flex Slot modular PSU bay
Dimensions (W × D × H): Approx. 2.68 in × 8.87 in × 1.59 in (6.80 × 22.53 × 4.04 cm)
Weight: Approx. 2.0 lb (0.91 kg)
Color: Silver with standard handle