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PartsTable / MEMORY / 02JG341
02JG341 ✓ 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 128GB TruDDR4 3200 MHz (2S2Rx4 1.2V) 3DS RDIMM. Key specifications include ECC: No, Component for: PC/Server, Memory voltage: 1.2 V, Internal memory: 128 GB, Memory channels: Quad-channel, Memory clock speed: 3200 MHz. 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→ 02JG341
SPECIFICATIONS
ECCNo
Component forPC/Server
Memory ranking4
Memory voltage1.2 V
Internal memory128 GB
Memory channelsQuad-channel
Memory clock speed3200 MHz
Memory form factor288-pin DIMM
Internal memory typeDDR4
COMPONENT DIAGRAM
ECC 128GB 2Rx4 PC4 3200MHz RDIMM LENOV NOTCH ~133.35 mm DDR4 RDIMM | 128GB | 3200MHz | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 02JG341 MFR LENOVO 128GB 3200MHz
KEY FEATURES
•
Up to 128 GB
•
DDR4 Interface
•
128GB 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
4ZC7A15125Compatible
IBM 128Gb PC4-3200AA-R ECC REG QR x4 3DS DIMM for AMD ThinkSystem - Option
compatible
SM37A21259Compatible
IBM 128Gb PC4-3200AA-R ECC REG QR x4 3DS DIMM for AMD ThinkSystem - P/N
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 2
SM37A21259SUBSTITUTE
IBM 128Gb PC4-3200AA-R ECC REG QR x4 3DS DIMM for AMD ThinkSystem - FRU
LENOVO
4ZC7A15125SUBSTITUTE
IBM 128Gb PC4-3200AA-R ECC REG QR x4 3DS DIMM for AMD ThinkSystem - FRU
LENOVO
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FREQUENTLY ASKED QUESTIONS
What is 02JG341?
02JG341 is a Lenovo 128GB TruDDR4 3200 MHz (2S2Rx4 1.2V) 3DS RDIMM manufactured by LENOVO. It is classified as a MEMORY (RDIMM).
What parts can replace 02JG341?
There are 2 known substitutes for 02JG341: 4ZC7A15125, SM37A21259. Substitute compatibility should be verified for your specific system.
Is 02JG341 still available?
02JG341 is currently Unknown.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026