90Y3121 — Memory Specs & Substitutes
LENOVO · DIMM
WHAT YOU NEED TO KNOW
2Rx4 = Dual Rank ×4 chip width (standard server) RDIMM = Registered (servers) | LRDIMM = Load-Reduced (max density)
DDR3 ≠ DDR4 ≠ DDR5 — physically incompatible (notch position)
PRODUCT OVERVIEW
The 2GB 1GBIT;2Rx8 is a LENOVO industrial component. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.
SPECIFICATIONS
Part Number 90Y3121 Manufacturer LENOVO Capacity 2GB
COMPONENT DIAGRAM
ECC
2GB
2Rx4
PC4
—
RDIMM
LENOV
NOTCH
~133.35 mm
DDR4 RDIMM | 2GB | — | PC4
Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible
RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered
TITLE
DDR4 RDIMM
PN
90Y3121
MFR
LENOVO
2GB —
SUBSTITUTES & CROSS-REFERENCES
No substitute or cross-reference records for this part.
LIFECYCLE
No lifecycle data available.
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FREQUENTLY ASKED QUESTIONS
What is 90Y3121?
90Y3121 is a 2GB 1GBIT;2Rx8 manufactured by LENOVO.
Is 90Y3121 still available?
90Y3121 is currently Unknown.
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