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VRB005031G — 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. Key specifications include Type: Fabric Extender, Bandwidth: 31Gbps, Hot-swappable: Yes. 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→ VRB005031G
SPECIFICATIONS
TypeFabric Extender
Bandwidth31Gbps
Hot-swappableYes
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 VRB005031G MFR IBM IBM VRM Voltage Regulator for 8231-E2C p
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
VRB005030GSubstituteBROKER-VERIFIED
IBM VRM Voltage Regulator for 8231-E2C p730
substitute
01AF542SubstituteBROKER-VERIFIED
IBM Proc Vrm
substitute
01AF881SubstituteBROKER-VERIFIED
IBM VRM Voltage Regulator for 8231-E2C p730
substitute
00FX411SubstituteBROKER-VERIFIED
IBM VRM Voltage Regulator for 8231-E2C p730
substitute
2B4ESubstituteBROKER-VERIFIED
IBM VRM Voltage Regulator for 8231-E2C p730
substitute
00J0252SubstituteBROKER-VERIFIED
IBM VRM Voltage Regulator for 8231-E2C p730
substitute
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is VRB005031G?
VRB005031G is a IBM VRM Voltage Regulator for 8231-E2C p730 manufactured by IBM. It is classified as a PROCESSOR (VRM).
What parts can replace VRB005031G?
There are 8 known substitutes for VRB005031G: VRB005030G, 01AF542, 01AF881 and 5 more. Substitute compatibility should be verified for your specific system.
Is VRB005031G still available?
VRB005031G is currently Unknown.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026