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PartsTable / POWER_SUPPLY / 866728-001
866728-001 ✓ Verified by PartsTable
HP · POWER_SUPPLY · DC_PSU
WHAT YOU NEED TO KNOW
DC power supplies — be careful not to confuse DC with AC. These are specific part numbers.
DC vs AC confusion is common
PRODUCT OVERVIEW

HP 800W Flex Slot -48VDC Hot Plug Low Halogen PSU. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
POWER_SUPPLY→ DC_PSU→ 866728-001
SPECIFICATIONS
Part Number866728-001
ManufacturerHP
Wattage800W
COMPONENT DIAGRAM
DC IN -48V / 380V + - 12V OUT PULL HANDLE 80+ TITANIUM, HOT-SWAP DC POWER SUPPLY -48VDC or 380VDC input For telecom / DC-powered racks 800W, redundant TITLE DC PSU PN 866728-001 MFR HP HP 800W Flex Slot -48VDC Hot Plug Low Ha
KEY FEATURES
•
800W Power Rating
TYPICAL APPLICATIONS
  • Server power supply replacement (failed or degraded)
  • Redundant power upgrade for high-availability
  • Power capacity upgrade for GPU or expansion configurations
  • Hot-swap power maintenance in production environments
  • Spare inventory for break-fix operations
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
865434-B21Compatible
HP RPS 800W DC -48v Flexible Slot Platinum Low Halogen
compatible
865431-001Compatible
HP RPS 800W DC -48v Flexible Slot Platinum Low Halogen
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 2
865431-001SUBSTITUTE
HP RPS 800W DC -48v Flexible Slot Platinum Low Halogen
HPE
865434-B21SUBSTITUTE
HP RPS 800W DC -48v Flexible Slot Platinum Low Halogen
HPE
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FREQUENTLY ASKED QUESTIONS
What is 866728-001?
866728-001 is a HP 800W Flex Slot -48VDC Hot Plug Low Halogen PSU manufactured by HP. It is classified as a POWER_SUPPLY (DC_PSU).
What parts can replace 866728-001?
There are 2 known substitutes for 866728-001: 865434-B21, 865431-001. Substitute compatibility should be verified for your specific system.
Is 866728-001 still available?
866728-001 is currently Unknown.
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Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
Last verified: July 2026