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2B50 ✓ Verified by PartsTable
IBM · PROCESSOR · INTEL_XEON
WHAT YOU NEED TO KNOW
Intel Xeon processors — standard item. Cross-sell heatsink and fan.
PRODUCT OVERVIEW

IBM Processor VRM 8205-E6C and 8205-E6D. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-178-4620, indicating validated use in U.S. government and defense logistics supply chains.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
PROCESSOR→ INTEL_XEON→ 2B50
NSN: 5330-00-178-4620
FSC: 5330
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
Part Number2B50
ManufacturerIBM
NSN5330-00-178-4620
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 2B50 MFR IBM IBM Processor VRM 8205-E6C and 8205-E6D
KEY FEATURES
•
SEAL WIDTH: 0.391 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
MATERIAL: LEATHER SEALING ELEMENT
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 1.499 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 0.875 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
TYPICAL APPLICATIONS
  • Enterprise virtualization host density upgrades
  • Database server performance scaling
  • AI/ML inference workloads
  • High-performance computing (HPC) clusters
TECHNICAL CHARACTERISTICS (FLIS)
SEAL WIDTH0.391 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
MATERIALLEATHER SEALING ELEMENT
MATERIALSTEEL CASE
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER1.499 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER0.875 INCHES NOMINAL IN
CASE STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 35
12910Interchangeable
interchangeable cross-reference
interchangeable
8A91001Interchangeable
interchangeable cross-reference
interchangeable
30023Interchangeable
interchangeable cross-reference
interchangeable
72-6970-341Interchangeable
interchangeable cross-reference
interchangeable
20504-29Interchangeable
interchangeable cross-reference
interchangeable
895DUInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2B50?
2B50 is a IBM Processor VRM 8205-E6C and 8205-E6D manufactured by IBM. It is classified as a PROCESSOR (INTEL_XEON).
What parts can replace 2B50?
There are 35 known substitutes for 2B50: 12910, 8A91001, 30023 and 32 more. Substitute compatibility should be verified for your specific system.
Is 2B50 still available?
2B50 is currently cancelled.
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Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
Last verified: July 2026