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01AF881 — Processor Specs

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IBM · PROCESSOR · VRM
WHAT YOU NEED TO KNOW
Socket type is critical: LGA 3647 vs SP3 vs SP5 are not interchangeable TDP tier determines heatsink requirement — Bronze vs Platinum differ
Pin 1 orientation must be correct — CPU dropped incorrectly = bent pins
PRODUCT OVERVIEW

IBM VRM Voltage Regulator for 8231-E2C p730. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
PROCESSOR→ VRM→ 01AF881
SPECIFICATIONS
Part Number01AF881
ManufacturerIBM
COMPONENT DIAGRAM
PIN 1 SERVER CPU PROCESSOR LGA/SP SOCKET 76.0 mm 56.5 mm LGA/SP SOCKET — Server CPU Pin 1 alignment triangle IHS — Nickel-plated copper Thermal interface to heatsink TDP — 35W to 400W Bronze / Silver / Gold / Platinum CONTACT — LGA pads Socket-side pins (not on CPU) TITLE SERVER CPU PN 01AF881 MFR IBM IBM VRM Voltage Regulator for 8231-E2C p
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
VRB005031GSubstituteBROKER-VERIFIED
IBM VRM Voltage Regulator for 8231-E2C p730
substitute
VRB005030GSubstituteBROKER-VERIFIED
IBM VRM Voltage Regulator for 8231-E2C p730
substitute
00J0252SubstituteBROKER-VERIFIED
IBM VRM Voltage Regulator for 8231-E2C p730
substitute
00FX411SubstituteBROKER-VERIFIED
IBM VRM Voltage Regulator for 8231-E2C p730
substitute
01AF396SubstituteBROKER-VERIFIED
IBM VRM Voltage Regulator for 8231-E2C p730
substitute
01AF542SubstituteBROKER-VERIFIED
IBM Proc Vrm
substitute
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 01AF881?
01AF881 is a IBM VRM Voltage Regulator for 8231-E2C p730 manufactured by IBM. It is classified as a PROCESSOR (VRM).
What parts can replace 01AF881?
There are 8 known substitutes for 01AF881: VRB005031G, VRB005030G, 00J0252 and 5 more. Substitute compatibility should be verified for your specific system.
Is 01AF881 still available?
01AF881 is currently Unknown.
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PartsTable Design LLC · partstable.com
Last verified: October 2026