Market page: DDR4 LRDIMM 128GB 2666 MT/s Memory →

Samsung 128GB DDR4 LRDIMM

Memory • Samsung • M386AAG40BM2
Original
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Family Overview

Samsung 128GB DDR4 LRDIMM represents a family of closely related parts with shared electrical and compatibility characteristics.

Individual variants within this family may differ by speed bin, revision, or internal chip configuration.

Pricing and availability may vary by variant. See available variants below.

Technical Specifications

Brand
Samsung
Manufacturer
Samsung
Part Number
M386AAG40BM2
Certification
Original
OEM Lock
No
DDR Generation
DDR4
Form Factor
LRDIMM
Capacity (GB)
128
Speed Min (MT/s)
2666
Speed Max (MT/s)
2666
ECC
ECC

Available Variants

No specific manufacturer variants are currently indexed for this family. Listings may still appear under equivalent variants.

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What's the spread on DDR4 32GB RDIMM right now?
For DDR4 32GB RDIMM, OEM parts are clearing 18–22% above compatible alternatives. 6 active sellers, moderate liquidity. Compatible pricing has been stable for 30 days.
Should I wait or buy now?
Signals point to a stable-to-softening trend for compatible. If your timeline allows 2–4 weeks, holding may improve your position. OEM premiums are holding firm — only worth it if your platform requires validated memory.
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