PartsTable
Technical Data Sheet
Download PDF

4X20F28577 — 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

ThinkServer always meets the demand on performance enhancement and feature enablement by continuous improvement on products and options. Upgrading your systems with the new options will bring you great values with flexibility, scalability, field-proven reliability.80 plus compliant Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
4X20F28577
SPECIFICATIONS
Wattage1100W
Efficiency Rating—
Form Factor—
Hot-Plug—
Redundancy—
Input Voltage—
Output Power—
Platform—
BROWSE LENOVO MACHINES
ThinkSystem SR650 V1 ThinkSystem SR650 V2 ThinkSystem SR630 V1 ThinkSystem SR630 V2 System x3650 M5 System x3550 M5 ThinkServer RD550 System x IBM System x3650 M4 ThinkServer RD650 SD530 System x3500 M4 ThinkServer RD350
All Lenovo machines and parts
COMPONENT DIAGRAM
PULL TAB AIRFLOW 1100W PLATINUM 100-240V~ 50/60Hz Lenovo BACKPLANE CONN ~200 mm HOT-PLUG POWER SUPPLY | 1100W | Platinum AC input 100-240V | Redundant pair required | Match wattage in same chassis TITLE PSU 1100W PN 4X20F28577 MFR Lenovo Platinum
KEY FEATURES
•
1100W 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 6
00HV158CompatiblePARTNER
IBM RPS 1100W for ThinkServer G5 - FRU
compatible
00HV182CompatiblePARTNER
IBM RPS 1100W for ThinkServer G5 - FRU
compatible
03T8618CompatiblePARTNER
IBM RPS 1100W for ThinkServer G5 - FRU
compatible
SP50E76347CompatiblePARTNER
IBM RPS 1100W for ThinkServer G5 - P/N
compatible
SP50F33323CompatiblePARTNER
IBM RPS 1100W for ThinkServer G5 - P/N
compatible
SP50F33332CompatiblePARTNER
IBM RPS 1100W for ThinkServer G5 - P/N
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 6
SP50F33332SUBSTITUTE
IBM RPS 1100W for ThinkServer G5 - Option
LENOVO
SP50F33323SUBSTITUTE
IBM RPS 1100W for ThinkServer G5 - Option
LENOVO
SP50E76347SUBSTITUTE
IBM RPS 1100W for ThinkServer G5 - Option
LENOVO
00HV158SUBSTITUTE
IBM RPS 1100W for ThinkServer G5 - Option
LENOVO
00HV182SUBSTITUTE
IBM RPS 1100W for ThinkServer G5 - Option
LENOVO
03T8618SUBSTITUTE
IBM RPS 1100W for ThinkServer G5 - Option
LENOVO
Ready to buy 4X20F28577?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 4X20F28577?
4X20F28577 is a Lenovo 4X20F28577 power supply unit 1100 W manufactured by Lenovo.
What parts can replace 4X20F28577?
There are 6 known substitutes for 4X20F28577: 00HV158, 00HV182, 03T8618 and 3 more. Substitute compatibility should be verified for your specific system.
Is 4X20F28577 still available?
4X20F28577 is currently Unknown.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 4X20F28577

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.