PartsTable
Technical Data Sheet
O38A ✓ 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

8 x 32GB RDIMM, 2400MT/s, Dual Rank, x4 Data Width. Key specifications include part_name_assigned_by_controlling_agency: STAND CALENDAR PAD 3-5/8X5-7/8IN LOOSELEAF METAL OR PLASTIC GRAY IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7520-00-162-6156, 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 O38A
NSN: 7520-00-162-6156
FSC: 7520
CAGE: 88001 — UNITED STATES POSTAL SERVICE (USA)
SPECIFICATIONS
general_characteristics_item_descriptionMETAL OR PLASTIC MATERIAL,HOLDS LOOSE LEAF PAGES SIZE 3-5/8 INCH WIDE BY 5-7/8 INCH LONG,DOUBLE ARCHED WIRE HOLDING DEVICE,GRAY COLOR IN
part_name_assigned_by_controlling_agencySTAND CALENDAR PAD 3-5/8X5-7/8IN LOOSELEAF METAL OR PLASTIC GRAY IN
NSN7520-00-162-6156
COMPONENT DIAGRAM
ECC 32GB 2Rx4 PC4 RDIMM OEM NOTCH ~133.35 mm DDR4 RDIMM | 32GB | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN O38A MFR OEM 32GB —
KEY FEATURES
32GB Capacity
GENERAL CHARACTERISTICS ITEM DESCRIPTION: METAL OR PLASTIC MATERIAL,HOLDS LOOSE LEAF PAGES SIZE 3-5/8 INCH WIDE BY 5-7/8 INCH LONG,DOUBLE ARCHED WIRE HOLDING DEVICE,GRAY COLOR 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)
PART NAME ASSIGNED BY CONTROLLING AGENCYSTAND CALENDAR PAD 3-5/8X5-7/8IN LOOSELEAF METAL OR PLASTIC GRAY IN
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMETAL OR PLASTIC MATERIAL,HOLDS LOOSE LEAF PAGES SIZE 3-5/8 INCH WIDE BY 5-7/8 INCH LONG,DOUBLE ARCHED WIRE HOLDING DEVICE,GRAY COLOR IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
220210Interchangeable
interchangeable cross-reference
interchangeable
222610Interchangeable
interchangeable cross-reference
interchangeable
222610Y1Interchangeable
interchangeable cross-reference
interchangeable
N765013Interchangeable
interchangeable cross-reference
interchangeable
GG-C-00101 TY3Interchangeable
interchangeable cross-reference
interchangeable
A-A-2941Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is O38A?
O38A is a 8 x 32GB RDIMM, 2400MT/s, Dual Rank, x4 Data Width. It is classified as a MEMORY (RDIMM).
What parts can replace O38A?
There are 11 known substitutes for O38A: 220210, 222610, 222610Y1 and 8 more. Substitute compatibility should be verified for your specific system.
Is O38A still available?
O38A is currently cancelled.
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