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Technical Data Sheet
01DE974 ✓ Verified by PartsTable
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: 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

Lenovo 32GB TruDDR4 2666 MHz (2Rx4 1.2V) RDIMM. Key specifications include Component for: PC/Server, Memory voltage: 1.2 V, Internal memory: 32 GB, Memory clock speed: 2666 MHz, Memory form factor: RDIMM, Buffered memory type: Registered (buffered). 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 01DE974
SPECIFICATIONS
Component forPC/Server
Memory voltage1.2 V
Internal memory32 GB
Memory clock speed2666 MHz
Memory form factorRDIMM
Buffered memory typeRegistered (buffered)
Internal memory typeDDR4
Harmonized System (HS) code84733020
COMPONENT DIAGRAM
ECC 32GB 2Rx4 PC4 2666MHz RDIMM LENOV NOTCH ~133.35 mm DDR4 RDIMM | 32GB | 2666MHz | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 01DE974 MFR LENOVO 32GB 2666MHz
KEY FEATURES
Up to 32 GB
DDR4 Interface
32GB 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
7X77A01304Compatible
IBM 32Gb PC4-2666V-R ECC REG DR x4 CAS-19 (1x32Gb) Memory Kit for ThinkSystem - Option
compatible
01KN339Compatible
IBM 32Gb PC4-2666V-R ECC REG DR x4 CAS-19 DIMM for ThinkSystem - FRU
compatible
01PE680Compatible
IBM 32Gb PC4-2666V-R ECC REG DR x4 CAS-19 DIMM for ThinkSystem - FRU
compatible
SM30K02153Compatible
IBM 32Gb PC4-2666V-R ECC REG DR x4 CAS-19 DIMM for ThinkSystem - P/N
compatible
SM30L13368Compatible
IBM 32Gb PC4-2666V-R ECC REG DR x4 CAS-19 DIMM for ThinkSystem - P/N
compatible
4X77A13364Compatible
IBM 32Gb PC4-2666V-R ECC REG DR x4 DIMM for ThinkSystem - Option
compatible
LIFECYCLE
StatusUNKNOWN
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 9
SM30K02153SUBSTITUTE
IBM 32Gb PC4-2666V-R ECC REG DR x4 CAS-19 DIMM for ThinkSystem - FRU
LENOVO
SM30L13368SUBSTITUTE
IBM 32Gb PC4-2666V-R ECC REG DR x4 CAS-19 DIMM for ThinkSystem - FRU
LENOVO
SM37A19022SUBSTITUTE
IBM 32Gb PC4-2666V-R ECC REG DR x4 CAS-19 DIMM for ThinkSystem - FRU
LENOVO
01KN339SUBSTITUTE
IBM 32Gb PC4-2666V-R ECC REG DR x4 CAS-19 DIMM for ThinkSystem - FRU
LENOVO
01PE569SUBSTITUTE
IBM 32Gb PC4-2666V-R ECC REG DR x4 CAS-19 DIMM for ThinkSystem - FRU
LENOVO
01PE680SUBSTITUTE
IBM 32Gb PC4-2666V-R ECC REG DR x4 CAS-19 DIMM for ThinkSystem - FRU
LENOVO
4X77A13364SUBSTITUTE
IBM 32Gb PC4-2666V-R ECC REG DR x4 CAS-19 DIMM for ThinkSystem - FRU
LENOVO
4ZC7A08717SUBSTITUTE
IBM 32Gb PC4-2666V-R ECC REG DR x4 CAS-19 DIMM for ThinkSystem - FRU
LENOVO
7X77A01304SUBSTITUTE
IBM 32Gb PC4-2666V-R ECC REG DR x4 CAS-19 DIMM for ThinkSystem - FRU
LENOVO
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FREQUENTLY ASKED QUESTIONS
What is 01DE974?
01DE974 is a Lenovo 32GB TruDDR4 2666 MHz (2Rx4 1.2V) RDIMM manufactured by LENOVO. It is classified as a MEMORY (RDIMM).
What parts can replace 01DE974?
There are 9 known substitutes for 01DE974: 7X77A01304, 01KN339, 01PE680 and 6 more. Substitute compatibility should be verified for your specific system.
Is 01DE974 still available?
01DE974 is currently Unknown.
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