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01DE972 — Memory Specs & Substitutes

LENOVO · 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: Double-check what you're quoting in volatile market.
HOT market — DDR5/DDR4 extremely volatile
PRODUCT OVERVIEW

Lenovo ThinkSystem 16GB TruDDR4 2666 MHz (1Rx4 1.2V) RDIMM. Key specifications include ECC: Yes, Width: 133.3 mm, Height: 31 mm, Component for: PC/Server, Memory voltage: 1.2 V, Internal memory: 16 GB. 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→ 01DE972
SPECIFICATIONS
ECCYes
Width133.3 mm
Height31 mm
Component forPC/Server
Memory voltage1.2 V
Internal memory16 GB
Memory clock speed2666 MHz
Memory form factor288-pin DIMM
Buffered memory typeRegistered (buffered)
Internal memory typeDDR4
Harmonized System (HS) code84733020
Memory layout (modules x size)1 x 16 GB
FITS THESE MACHINES
Lenovo SD530
Lenovo ThinkSystem SR630 V1
Lenovo ThinkSystem SR650 V1
COMPONENT DIAGRAM
ECC 16GB 2Rx4 PC4 2666MHz RDIMM LENOV NOTCH ~133.35 mm DDR4 RDIMM | 16GB | 2666MHz | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 01DE972 MFR LENOVO 16GB 2666MHz
KEY FEATURES
•
Up to 16 GB
•
DDR4 Interface
•
16GB Capacity
•
2666MHz Speed
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
SUBSTITUTES & CROSS-REFERENCES 2
7X77A01302SubstituteBROKER-VERIFIED
Lenovo ThinkSystem 16GB TruDDR4 2666 MHz (1Rx4 1.2V) RDIMM
substitute
SM30L13365CompatiblePARTNER
IBM 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM for ThinkSystem - P/N
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 2
SM30L13365SUBSTITUTE
IBM 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM for ThinkSystem - FRU
LENOVO
7X77A01302SUBSTITUTE
IBM 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM for ThinkSystem - FRU
LENOVO
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FREQUENTLY ASKED QUESTIONS
What is 01DE972?
01DE972 is a Lenovo ThinkSystem 16GB TruDDR4 2666 MHz (1Rx4 1.2V) RDIMM manufactured by LENOVO. It is classified as a MEMORY (RDIMM).
What parts can replace 01DE972?
There are 2 known substitutes for 01DE972: 7X77A01302, SM30L13365. Substitute compatibility should be verified for your specific system.
Is 01DE972 still available?
01DE972 is currently Unknown.
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PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.