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Technical Data Sheet
PartsTable / MEMORY / 32-5A
32-5A ✓ Verified by PartsTable
IBM · 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 64GB DDR4 2666MHZ RDIMM MEMORY P9

IBM 64GB DDR4 2666MHZ RDIMM MEMORY P9. Key specifications include input_phase: SINGLE SINGLE OPERATING POWER RQMT, overall_width: 2.750 INCHES NOMINAL IN, overall_height: 1.580 INCHES NOMINAL IN, overall_length: 4.060 INCHES NOMINAL IN, output_control_type: FIXED VOLTAGE SINGLE POWER OUTPUT, input_voltage_rating: 90.0 AC VOLTS MINIMUM AND 130.0 AC VOLTS MAXIMUM SINGLE OPERATING POWER RQMT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-435-3151, 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→ 32-5A
NSN: 6625-00-435-3151
FSC: 6625
CAGE: 09435 — HOLT INSTRUMENT LABORATORIES, LLC DBA HOLT INSTRUMENT DIVISION DIV HOLT INSTRUMENT LABORATORIES (USA)
SPECIFICATIONS
input_phaseSINGLE SINGLE OPERATING POWER RQMT
overall_width2.750 INCHES NOMINAL IN
overall_height1.580 INCHES NOMINAL IN
overall_length4.060 INCHES NOMINAL IN
output_control_typeFIXED VOLTAGE SINGLE POWER OUTPUT
input_voltage_rating90.0 AC VOLTS MINIMUM AND 130.0 AC VOLTS MAXIMUM SINGLE OPERATING POWER RQMT
output_current_rating4.0 DC AMPERES NOMINAL SINGLE POWER OUTPUT
output_voltage_rating5.0 DC VOLTS NOMINAL SINGLE POWER OUTPUT
output_connection_typePIN PLUG SINGLE POWER OUTPUT
output_control_quantity1 SINGLE POWER OUTPUT
output_connection_quantity2 SINGLE POWER OUTPUT
operating_ambient_temp_range+0.1 TO 70.0 CELSIUS DEGC
NSN6625-00-435-3151
COMPONENT DIAGRAM
ECC 64GB 2Rx4 PC4 2666MHz RDIMM IBM NOTCH ~133.35 mm DDR4 RDIMM | 64GB | 2666MHz | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 32-5A MFR IBM 64GB 2666MHz
KEY FEATURES
•
DDR4 Interface
•
64GB Capacity
•
2666MHz Speed
•
DDR4 RDIMM
•
FSC APPLICATION DATA: ENERAL PURPOSE USE
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)
FSC APPLICATION DATAENERAL PURPOSE USE
FSC APPLICATION DATAENERAL PURPOSE USE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
32Interchangeable
interchangeable cross-reference
interchangeable
32-5AInterchangeable
IBM 64GB DDR4 2666MHZ RDIMM Memory P9
interchangeable
A32Interchangeable
interchangeable cross-reference
interchangeable
850511-0001Interchangeable
interchangeable cross-reference
interchangeable
20030595Interchangeable
interchangeable cross-reference
interchangeable
PL-20559722 REV B ITEM 70Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 32-5A?
32-5A is a IBM 64GB DDR4 2666MHZ RDIMM Memory P9 manufactured by IBM. It is classified as a MEMORY (RDIMM).
What parts can replace 32-5A?
There are 6 known substitutes for 32-5A: 32, 32-5A, A32 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 32-5A?
32-5A is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-435-3151. 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