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Technical Data Sheet
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00FC581 — Technical Data Sheet

LENOVO · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

IBM RPS 800W Gold Hot Swap for ThinkServer RD440/RD540/RD640 - FRU. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
00FC581
SPECIFICATIONS
Part Number00FC581
ManufacturerLENOVO
Wattage800W
FITS THESE MACHINES
Lenovo ThinkServer RD340
Lenovo ThinkServer RD440
Lenovo ThinkServer RD540
Lenovo ThinkServer RD640
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: LENOVO IBM RPS 800W Gold Hot Swap for ThinkServer RD440/RD540/... TITLE COMPONENT PN 00FC581 MFR LENOVO IBM RPS 800W Gold Hot
KEY FEATURES
•
800W Power Rating
SUBSTITUTES & CROSS-REFERENCES 3
4X20E54690CompatiblePARTNER
IBM RPS 800W Gold Hot Swap for ThinkServer RD440/RD540/RD640 - Option
compatible
00LA927CompatiblePARTNER
IBM RPS 800W Gold Hot Swap for ThinkServer RD440/RD540/RD640 - FRU
compatible
03X4368CompatiblePARTNER
IBM RPS 800W Gold Hot Swap for ThinkServer RD440/RD540/RD640 - FRU
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 3
00LA927SUBSTITUTE
IBM RPS 800W Gold Hot Swap for ThinkServer RD440/RD540/RD640 - FRU
LENOVO
03X4368SUBSTITUTE
IBM RPS 800W Gold Hot Swap for ThinkServer RD440/RD540/RD640 - FRU
LENOVO
4X20E54690SUBSTITUTE
IBM RPS 800W Gold Hot Swap for ThinkServer RD440/RD540/RD640 - FRU
LENOVO
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FREQUENTLY ASKED QUESTIONS
What is 00FC581?
00FC581 is a IBM RPS 800W Gold Hot Swap for ThinkServer RD440/RD540/RD640 - FRU manufactured by LENOVO.
What parts can replace 00FC581?
There are 3 known substitutes for 00FC581: 4X20E54690, 00LA927, 03X4368. Substitute compatibility should be verified for your specific system.
Is 00FC581 still available?
00FC581 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.