Samsung M393A8G40MB2

64GB DDR4-2666 ECC RDIMM
Original
Verified data
Market class
DDR4 RDIMM 64GB · 2666 MT/s →

This market groups economically comparable modules. Exact platform compatibility should still be verified.

Market signals

Derived from observed listings across all SKUs in this class.

▶What do OEM / Original / Compatible mean?
OEMCertified by a server vendor (Dell, HPE, Lenovo). May carry firmware locks and qualifications. Priced higher for vendor support and warranty alignment.
OriginalThe underlying DRAM/component manufacturer module (Samsung, Micron, SK Hynix). Works across most platforms without vendor lock. The market pricing reference.
CompatibleThird-party alternatives meeting the same spec. Often 15–40% cheaper. May trigger vendor warnings on OEM-locked platforms — verify before substituting.
OEM Premium
-41%
OEM is currently priced 41% below original — unusual, worth investigating.
Market Spread
167%
Very wide spread. High volatility — verify condition and seller carefully.
Liquidity
High
55 samples. High confidence. This market has strong observed data.
▶What do the signal colors mean?
Favorable — Tight spread, meaningful discount, or strong liquidity.
Neutral — Normal market conditions. No action flag.
Investigate — Wide spread, inverted pricing, or low sample count.
High alert — Very wide spread or significant price anomaly.
Insufficient — Too few samples to produce a reliable signal.

Family Overview

Samsung 64GB DDR4 RDIMM 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.

Specifications

Brand
Samsung
MPN
M393A8G40MB2
Certification
Original
Capacity
64 GB
DDR generation
DDR4
Module type
RDIMM
Speed
2666 MT/s
ECC
Yes
Lifecycle
Active
OEM lock
No

Available Variants

The following manufacturer variants belong to the M393A8G40MB2 family. Listings and prices are tracked at the variant level.

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