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40391 ✓ Verified by PartsTable
Kingston Technology · 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

A Sandberg iPad Mini Cover effectively protects your iPad Mini against marks and scratches while also giving your iPad Mini a more personal look. Key specifications include ECC: No, Height: 30 mm, CAS latency: 17, Memory type: PC4-19200, SPD profile: Yes, Lead plating: Gold. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6930-00-211-1271, 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→ 40391
NSN: 6930-00-211-1271
FSC: 6930
CAGE: 22525 — INSTRUMENTS AND FLIGHT RESEARCH, INC. (USA)
SPECIFICATIONS
ECCNo
Height30 mm
CAS latency17
Memory typePC4-19200
SPD profileYes
Lead platingGold
Package typeSO-DIMM
Component forLaptop
Memory ranking2
Memory voltage1.2 V
Number of pins260
Product colourGreen
NSN6930-00-211-1271
COMPONENT DIAGRAM
ECC 16GB 2Rx4 PC4 2400MHz RDIMM Kings NOTCH ~133.35 mm DDR4 RDIMM | 16GB | 2400MHz | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 40391 MFR Kingston Technology 16GB 2400MHz
KEY FEATURES
•
Up to 16 GB
PC4-19200
•
DDR4 Interface
•
16GB Capacity
•
2400MHz Speed
•
DDR4 Memory
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
68B418000-211Interchangeable
interchangeable cross-reference
interchangeable
4501-211Interchangeable
interchangeable cross-reference
interchangeable
4039-1Interchangeable
16GB DDR4 2400MHz Module
interchangeable
1801800Interchangeable
interchangeable cross-reference
interchangeable
P2404Interchangeable
interchangeable cross-reference
interchangeable
ZCC40391Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40391?
40391 is a 16GB DDR4 2400MHz Module manufactured by Kingston Technology. It is classified as a MEMORY (RDIMM).
What parts can replace 40391?
There are 11 known substitutes for 40391: 68B418000-211, 4501-211, 4039-1 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40391?
40391 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6930-00-211-1271. 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.
Last verified: July 2026