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02JK237 — 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 32GB TruDDR4 3200 MHz (2Rx4 1.2V) RDIMM. Key specifications include Component for: PC/Server, Memory voltage: 1.2 V, Internal memory: 32 GB, Memory clock speed: 3200 MHz, Memory form factor: 288-pin DIMM, Internal memory type: DDR4. 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→ 02JK237
SPECIFICATIONS
Component forPC/Server
Memory voltage1.2 V
Internal memory32 GB
Memory clock speed3200 MHz
Memory form factor288-pin DIMM
Internal memory typeDDR4
Memory layout (modules x size)1 x 32 GB
FITS THESE MACHINES
Lenovo ThinkSystem SR630 V2
Lenovo ThinkSystem SR650 V1
Lenovo ThinkSystem SR650 V2
COMPONENT DIAGRAM
ECC 32GB 2Rx4 PC4 3200MHz RDIMM LENOV NOTCH ~133.35 mm DDR4 RDIMM | 32GB | 3200MHz | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 02JK237 MFR LENOVO 32GB 3200MHz
KEY FEATURES
•
Up to 32 GB
•
DDR4 Interface
•
32GB Capacity
•
3200MHz 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
4X77A08633SubstituteBROKER-VERIFIED
Lenovo 32GB TruDDR4 3200 MHz (2Rx4 1.2V) RDIMM
substitute
SM37A68752CompatiblePARTNER
IBM 32Gb PC4-3200AA-R ECC REG DR x4 DIMM for ThinkSystem - P/N
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 2
SM37A68752SUBSTITUTE
IBM 32Gb PC4-3200AA-R ECC REG DR x4 DIMM for ThinkSystem - FRU
LENOVO
4X77A08633SUBSTITUTE
IBM 32Gb PC4-3200AA-R ECC REG DR x4 DIMM for ThinkSystem - FRU
LENOVO
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FREQUENTLY ASKED QUESTIONS
What is 02JK237?
02JK237 is a Lenovo 32GB TruDDR4 3200 MHz (2Rx4 1.2V) RDIMM manufactured by LENOVO. It is classified as a MEMORY (RDIMM).
What parts can replace 02JK237?
There are 2 known substitutes for 02JK237: 4X77A08633, SM37A68752. Substitute compatibility should be verified for your specific system.
Is 02JK237 still available?
02JK237 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.