866728-001 — Power Supply Datasheet
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
Wattage 800W Efficiency Rating — Form Factor — Hot-Plug — Redundancy — Input Voltage — Output Power — Platform —
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
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
SUBSTITUTES & CROSS-REFERENCES 2
865434-B21 Compatible PARTNER HP RPS 800W DC -48v Flexible Slot Platinum Low Halogen
compatible
865431-001 Compatible PARTNER HP RPS 800W DC -48v Flexible Slot Platinum Low Halogen
compatible
LIFECYCLE
No lifecycle data available.
THIS PART SUBSTITUTES FOR 2
865431-001 SUBSTITUTE HP RPS 800W DC -48v Flexible Slot Platinum Low Halogen
HPE
865434-B21 SUBSTITUTE 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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