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45J9431 — Power Supply Datasheet

LENOVO · PSU
WHAT YOU NEED TO KNOW
Always quote matching pair — mixed wattage causes throttling Platinum/Titanium = higher efficiency = lower power cost over time
AC or DC input? Verify customer site power
PRODUCT OVERVIEW

The CRU, 280W PSU is a LENOVO power supply unit built for continuous operation in enterprise server and storage platforms. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
45J9431
SPECIFICATIONS
Wattage280W
Efficiency Rating—
Form Factor—
Hot-Plug—
Redundancy—
Input Voltage—
Output Power—
Platform—
FITS THESE MACHINES
Lenovo ThinkServer TS130
COMPONENT DIAGRAM
PULL TAB AIRFLOW 280W PLATINUM 100-240V~ 50/60Hz LENOVO BACKPLANE CONN ~200 mm HOT-PLUG POWER SUPPLY | 280W | Platinum AC input 100-240V | Redundant pair required | Match wattage in same chassis TITLE PSU 280W PN 45J9431 MFR LENOVO Platinum
KEY FEATURES
•
280W 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE

No lifecycle data available.

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FREQUENTLY ASKED QUESTIONS
What is 45J9431?
45J9431 is a CRU, 280W PSU manufactured by LENOVO.
Is 45J9431 still available?
45J9431 is currently Unknown.
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PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.