Crucial CT128G4ZFE426S

128GB DDR4-2666 ECC LRDIMM

Original

Verified data

Market class

DDR4 LRDIMM 128GB · 2666 MT/s →

This market groups economically comparable parts. 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 component manufacturer's part, without OEM server-vendor branding or firmware lock. Typically the market pricing reference — platform compatibility should still be verified.

CompatibleThird-party alternatives meeting the same spec. Often 15–40% cheaper. May trigger vendor warnings on OEM-locked platforms — verify before substituting.

OEM Premium

+0%

OEM parts cost ~0% more than original manufacturer parts.

Market Spread

43%

Moderate spread. Some variation between sellers and conditions.

Liquidity

Medium

6 samples. Reasonable basis for price benchmarking.

▶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.

Part family

Crucial 128GB DDR4 LRDIMM 2666 represents a family of closely related parts sharing electrical and compatibility characteristics — individual variants may differ by speed bin, revision, or internal chip configuration. Pricing and availability are tracked per variant, listed below.

Specifications

Manufacturer

Micron

Certification

Original

Capacity

128 GB

DDR generation

DDR4

Module type

LRDIMM

Speed

2666 MT/s

ECC

Yes

Lifecycle

Active

OEM lock

Understanding this part number

CT128G4ZFE426S belongs to DDR4 LRDIMM 128GB · 2666 MT/s. Capacity, DDR generation, module type, and speed define the comparable market; rank, chip width, OEM qualification, and server population rules can still affect exact compatibility.

Decode server-memory specifications and part numbers →

Available variants

No specific manufacturer variants are currently indexed for this family.