01DE977 — Memory Specs & Substitutes

— · 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: Double-check what you're quoting in volatile market.

HOT market — DDR5/DDR4 extremely volatile

PRODUCT OVERVIEW

128GB 2S4Rx4 2666R 3DS 8Gb 1.2V

128GB 2S4Rx4 2666R 3DS 8Gb 1.2V. 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→ 01DE977

SPECIFICATIONS

Part Number	01DE977
Capacity	128GB

FITS THESE MACHINES

Lenovo SD530

Lenovo ThinkSystem SR630 V1

Lenovo ThinkSystem SR650 V1

COMPONENT DIAGRAM

KEY FEATURES

•

128GB Capacity

SUBSTITUTES & CROSS-REFERENCES 1

7X77A01307CompatiblePARTNER

IBM 128Gb PC4-2666V-R ECC REG 8R x4 CAS-19 (1x128Gb) 3DS Memory Kit for ThinkSystem - Option

compatible

LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 1

7X77A01307SUBSTITUTE

IBM 128Gb PC4-2666V-R ECC REG 8R x4 CAS-19 3DS DIMM for ThinkSystem - FRU

LENOVO

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FREQUENTLY ASKED QUESTIONS

What is 01DE977?

01DE977 is a 128GB 2s4rx4 2666r 3ds 8GB 1.2V. It is classified as a MEMORY (RDIMM).

What parts can replace 01DE977?

There is 1 known substitute for 01DE977: 7X77A01307. Substitute compatibility should be verified for your specific system.

Is 01DE977 still available?

01DE977 is currently Unknown.

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01DE977 — Memory Specs & Substitutes

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