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Technical Data Sheet
4ZC7A15125 ✓ 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

ThinkSystem TruDDR4 Memory delivers trusted, tested, quality, performance, and reliability throughout the ThinkSystem portfolio. We use the highest quality industry-standard memory components sourced from Tier 1 DRAM suppliers. Only memory that meets these strict requirements are selected for TruDDR4 Memory.

It is then compatibility tested and tuned on every ThinkSystem server to maximize reliability.<br><br>In addition, TruDDR4 Memory DIMMs have a unique signature programmed into them so your system can verify that TruDDR4 Memory is installed in your system. Since the memory will be authenticated, memory stretch goals are enabled only when TruDDR4 Memory DIMMs are detected. Together with lower power consumption, these new DIMMs can provide the lowest TCO for data centers.

WHERE IT FITS
MEMORY RDIMM 4ZC7A15125
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 4ZC7A15125 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
02JG341Compatible
IBM 128Gb PC4-3200AA-R ECC REG QR x4 3DS DIMM for AMD ThinkSystem - FRU
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 - Option
LENOVO
02JG341SUBSTITUTE
IBM 128Gb PC4-3200AA-R ECC REG QR x4 3DS DIMM for AMD ThinkSystem - Option
LENOVO
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FREQUENTLY ASKED QUESTIONS
What is 4ZC7A15125?
4ZC7A15125 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 4ZC7A15125?
There are 2 known substitutes for 4ZC7A15125: 02JG341, SM37A21259. Substitute compatibility should be verified for your specific system.
Is 4ZC7A15125 still available?
4ZC7A15125 is currently Unknown.
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