UCS-MR-X64G4RS-H — Memory Specs & Substitutes

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CISCO · 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

Cisco 64GB DDR4-2666-MHz TSV-RDIMM/PC4-21300/quad rank/1.2v. Key specifications include Rank: Quad Rank (4R), Speed: DDR4-2666, Voltage: 1.2V, Capacity: 64GB, Form Factor: RDIMM. This product has reached end-of-marketing and is available through the secondary market and authorized resellers.

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→ UCS-MR-X64G4RS-H

SPECIFICATIONS

Rank	Quad Rank (4R)
Speed	DDR4-2666
Voltage	1.2V
Capacity	64GB
Form Factor	RDIMM

COMPONENT DIAGRAM

KEY FEATURES

•

DDR4 Interface

•

64GB Capacity

•

2130MHz Speed

•

DDR4 RDIMM

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

No verified substitutes available.

LIFECYCLE

StatusEOS

End of Sale2022-01-09

End of Support2021-10-10

Availability—

RoHS CompliantEAR99ESD SensitiveNot HAZMAT

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FREQUENTLY ASKED QUESTIONS

What is UCS-MR-X64G4RS-H?

UCS-MR-X64G4RS-H is a Cisco 64GB DDR4-2666-MHz TSV-RDIMM/PC4-21300/quad rank/1.2v manufactured by CISCO. It is classified as a MEMORY (RDIMM).

Is UCS-MR-X64G4RS-H still available?

UCS-MR-X64G4RS-H is currently eos. End of Support: 2021-10-10.

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UCS-MR-X64G4RS-H — Memory Specs & Substitutes

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