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2B4E — 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→ 2B4E
SPECIFICATIONS
Part Number2B4E
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 2B4E MFR IBM IBM VRM Voltage Regulator for 8231-E2C p
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
00J0252SubstituteBROKER-VERIFIED
IBM VRM Voltage Regulator for 8231-E2C p730
substitute
VRB005031GSubstituteBROKER-VERIFIED
IBM VRM Voltage Regulator for 8231-E2C p730
substitute
VRB005030GSubstituteBROKER-VERIFIED
IBM VRM Voltage Regulator for 8231-E2C p730
substitute
01AF396SubstituteBROKER-VERIFIED
IBM VRM Voltage Regulator for 8231-E2C p730
substitute
00E7158SubstituteBROKER-VERIFIED
Processor Vrm 2b4e For 8231-e1c, E1d, E2d, 82
substitute
01AF542SubstituteBROKER-VERIFIED
IBM Proc Vrm
substitute
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2B4E?
2B4E is a IBM VRM Voltage Regulator for 8231-E2C p730 manufactured by IBM. It is classified as a PROCESSOR (VRM).
What parts can replace 2B4E?
There are 8 known substitutes for 2B4E: 00J0252, VRB005031G, VRB005030G and 5 more. Substitute compatibility should be verified for your specific system.
Is 2B4E still available?
2B4E is currently Unknown.
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Last verified: October 2026