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Technical Data Sheet
PartsTable / MEMORY / 5B21C82223
5B21C82223 ✓ 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 BDPLANAR FR R7PRO5850U16G WINYDYdTL3yABS. 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→ 5B21C82223
SPECIFICATIONS
Part Number5B21C82223
ManufacturerLENOVO
COMPONENT DIAGRAM
ECC — 2Rx4 PC4 — RDIMM LENOV NOTCH ~133.35 mm DDR4 RDIMM | — | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 5B21C82223 MFR LENOVO — —
VERIFIED SUBSTITUTES & CROSS-REFERENCES

No verified substitutes available.

LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5B21C82223?
5B21C82223 is a Lenovo BDPLANAR FR R7PRO5850U16G WINYDYdTL3yABS manufactured by LENOVO. It is classified as a MEMORY (RDIMM).
Is 5B21C82223 still available?
5B21C82223 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