DDR4 LRDIMM 128GB · 2666 MT/s

Name: DDR4 LRDIMM 128GB · 2666 MT/s — Observed Market Signals
Creator: MarketSignalIndex
License: https://marketsignalindex.com/terms

Current asking prices

Median asking price

$873

Observed range

$590–$910

6 listings· 4 sellers· Updated Sep 7, 2026

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.

Market price confidence

The figures below reflect observed market pricing across multiple sellers and SKUs. Ranges and typical bands help distinguish outliers from defensible market prices.

OEM

Confidence: medium

$589.99 – $888.24

Typical market band

Observed range: $589.9 – $910
Median: $873
5 listings • 4 SKU(s)

Original

Confidence: low

$873.61 – $873.61

Typical market band

Observed range: $873.61 – $873.61
Median: $873.61
1 listings • 5 SKU(s)

Compatible

Confidence: low

Pricing inferred from adjacent market tiers

OEM and original parts are rarely transacted directly in open markets.

How to interpret this

Prices within the typical market band represent common, defensible market rates.
Listings near the lower bound may reflect limited stock, condition differences, or less-established sellers.
Prices above the typical band often reflect vendor qualification, warranty, or support premiums.

Known part numbers in this market

9 part numbers tracked. Not a guarantee of compatibility — verify against your platform.

Manufacturer	MPN	Certification
Crucial	CT128G4ZFE426S	Original	View SKU →
Dell	AA940926	OEM	View SKU →
HPE	P00927-B21	OEM	View SKU →
Kingston	KVR26L19D8/128	Original	View SKU →
Lenovo	7X77A01307	OEM	View SKU →
Micron	MTA144ASQ16G72LSZ-2S6	Original	View SKU →
Samsung	M386AAG40BM2	Original	View SKU →
SK Hynix	HMABAGL7M4R4N-VK	Original	View SKU →
Supermicro	MEM-DR412L-HL01-LR26	OEM	View SKU →

Risk & compatibility signals

⚠

OEM lock risk

Dell and HPE parts in this market carry firmware locks. Compatible or generic parts may trigger vendor warnings on those platforms. Verify platform policy before substituting.

▶How to read OEM, Original, and Compatible

OEM parts carry vendor certification (and often firmware locks) — highest support assurance, highest price. Original parts are the underlying manufacturer's modules without OEM branding — usually the best balance of cost and compatibility. Compatible parts are third-party alternatives — lower cost, but verify against your platform's policies first.

Read the full pricing methodology →

Technical specifications

Parts grouped into this market share these core specifications. Exact manufacturer, branding, and warranty terms vary by SKU — see the part numbers below.

DDR generation

DDR4

Form factor

LRDIMM

Capacity

128 GB

Speed

2666 MT/s

ECC

Yes

Status

active

Higher capacity, lower liquidity

Data Sources

Memory4LessContributor

Named sources shown here are contributors with an authorized data relationship with MarketSignalIndex. Aggregate market metrics may also incorporate public market observations; those sources are not publicly identified unless an authorized relationship exists.

Signals are observations from available data at a point in time — not advice. Verify independently before transacting. Disclaimer

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Nearby memory markets

Closely related server memory markets — nearby speeds and capacities.

DDR4 LRDIMM 128GB · 2400 MT/s→DDR4 LRDIMM 128GB · 2933 MT/s→DDR4 LRDIMM 128GB · 3200 MT/s→DDR4 LRDIMM 64GB · 2666 MT/s→DDR4 LRDIMM 32GB · 2666 MT/s→DDR4 RDIMM 128GB · 2666 MT/s→DDR4 RDIMM 128GB · 2933 MT/s→DDR4 RDIMM 128GB · 3200 MT/s→

Browse all server memory markets →