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81Y6746 ✓ Verified by PartsTable
IBM · MOTHERBOARD
WHAT YOU NEED TO KNOW
System board replacement = re-license iLO/DRAC (license tied to board) Board determines max CPU gen, max memory speed, PCIe lanes
Server generation MUST match — Gen9 board ≠ Gen10 board
PRODUCT OVERVIEW

The IBM X3620 / X3630 M3 System Board is a IBM industrial component. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
81Y6746
SPECIFICATIONS
Part Number81Y6746
ManufacturerIBM
COMPONENT DIAGRAM
CPU 0 LGA 4677 PRIMARY CPU 1 LGA 4677 OPTIONAL VRM PHASE 0 VRM PHASE 1 DIMM (CPU0) DIMM (CPU1) PCIe RISERS RISER 1 (x16) RISER 2 (x8) RISER 3 (x8) iLO / BMC MGMT PORT PCH CHIPSET SATA / NVMe / OCP USB · TPM · CTRL SLOT POWER · FRONT PANEL · FAN HEADERS System Board | Dual Socket | 12x DIMM | 3x PCIe Riser | iLO/BMC | SATA/NVMe/OCP TITLE SYSTEM BOARD PN 81Y6746 MFR IBM IBM X3620 / X3630 M3 System Board
VERIFIED SUBSTITUTES & CROSS-REFERENCES

No verified substitutes available.

LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81Y6746?
81Y6746 is a IBM X3620 / X3630 M3 System Board manufactured by IBM.
Is 81Y6746 still available?
81Y6746 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: July 2026