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Technical Data Sheet
PartsTable / COMPONENT / R651,PC2.3
R651,PC2.3 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The R651,PC2.3 is a the manufacturer memory module engineered for enterprise server and workstation platforms requiring validated, high-reliability memory. Key specifications include Platform: Dell PowerEdge R651. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-148-1388, 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
R651,PC2.3
NSN: 4320-00-148-1388
FSC: 4320
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
PlatformDell PowerEdge R651
NSN4320-00-148-1388
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available R651,PC2.3 TITLE COMPONENT PN R651,PC2.3 MFR R651,PC2.3
KEY FEATURES
•
MATERIAL: COPPER ALLOY
•
BODY INSIDE DIAMETER: 25.000 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 26.301 INCHES NOMINAL IN
TYPICAL APPLICATIONS
  • Server memory expansion for virtualization workloads
  • Database performance optimization (in-memory computing)
  • VDI and remote desktop session hosting
  • High-performance computing (HPC) clusters
  • Mail server and collaboration platform scaling
  • Application server tier expansion
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESCASTED
OVERALL LENGTH6.718 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
BODY INSIDE DIAMETER25.000 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER26.301 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
M9CInterchangeable
interchangeable cross-reference
interchangeable
M9Interchangeable
interchangeable cross-reference
interchangeable
277-0400-010Interchangeable
interchangeable cross-reference
interchangeable
LABM09Interchangeable
interchangeable cross-reference
interchangeable
A-A-558Interchangeable
interchangeable cross-reference
interchangeable
R8413Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R651,PC2.3?
R651,PC2.3 is a R651,PC2.3.
What parts can replace R651,PC2.3?
There are 23 known substitutes for R651,PC2.3: M9C, M9, 277-0400-010 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R651,PC2.3?
R651,PC2.3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-148-1388. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026