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PartsTable / MEMORY / 46-555A
46-555A ✓ Verified by PartsTable
— · MEMORY · RDIMM
WHAT YOU NEED TO KNOW
Memory is a hot market right now. DDR5 and DDR4 are extremely volatile with data centers driving availability to extreme lows. Always validate machine type and model. Remember: all RAM is Hynix, Samsung, or Micron underneath OEM labels — use that to find alternatives. Key checks: Check OEM alternatives — all RAM is Hynix/Samsung/Micron underneath. Double-check what you're quoting in volatile market.
HOT market — DDR5/DDR4 extremely volatile
PRODUCT OVERVIEW

IBM 4GB (2 x 2GB) PC2-4200 DDR2 Memory Kit. Key specifications include color: YELLOW, material: STEEL, construction: NONCOLLAPSIBLE, surface_treatment: ENAMEL, ventilation_feature: INCLUDED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7125-01-084-6954, 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
MEMORY→ RDIMM→ 46-555A
NSN: 7125-01-084-6954
FSC: 7125
CAGE: 04718 — C&H DISTRIBUTORS, LLC (USA)
SPECIFICATIONS
colorYELLOW
materialSTEEL
constructionNONCOLLAPSIBLE
door_quantity2
surface_treatmentENAMEL
ventilation_featureINCLUDED
NSN7125-01-084-6954
COMPONENT DIAGRAM
ECC 4GB 2Rx4 PC4 — RDIMM OEM NOTCH ~133.35 mm DDR4 RDIMM | 4GB | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 46-555A MFR OEM 4GB —
KEY FEATURES
•
4GB Capacity
•
DOOR QUANTITY: 2
•
MATERIAL: STEEL
•
COLOR: YELLOW
•
SURFACE TREATMENT: ENAMEL
•
VENTILATION FEATURE: INCLUDED
•
CONSTRUCTION: NONCOLLAPSIBLE
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)
DOOR QUANTITY2
MATERIALSTEEL
COLORYELLOW
SPECIAL FEATURES30 GALLON CAPACITY; TWO MANUAL CLOSING DOORS; 18-GUAGE STEEL; POWDER COATED YELLOW ENAMEL WITH FLAMMABLE WARNING IN RED LETTERING; 3-POINT LOCKING; GROUNDING ATTACHMENT; MEETS NFPA CODE 30 AND OSHA REQUIREMENTS
SURFACE TREATMENTENAMEL
VENTILATION FEATUREINCLUDED
CONSTRUCTIONNONCOLLAPSIBLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
5910644Interchangeable
interchangeable cross-reference
interchangeable
5300Interchangeable
interchangeable cross-reference
interchangeable
25300Interchangeable
interchangeable cross-reference
interchangeable
051227Interchangeable
interchangeable cross-reference
interchangeable
1932Interchangeable
IBM 4GB (2 x 2GB) PC2-4200 DDR2 Memory Kit
interchangeable
5035AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 46-555A?
46-555A is a IBM 4GB (2 x 2GB) PC2-4200 DDR2 Memory Kit. It is classified as a MEMORY (RDIMM).
What parts can replace 46-555A?
There are 28 known substitutes for 46-555A: 5910644, 5300, 25300 and 25 more. Substitute compatibility should be verified for your specific system.
Is 46-555A still available?
46-555A is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026