DDR4 RDIMM 64GB · 2666 MT/s

Current asking prices

Median asking price
$693
Observed range
$100–$2,503
105 listings· 42 sellers· Updated Sep 21, 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
-60%
OEM is currently priced 60% below original — unusual, worth investigating.
Market Spread
185%
Very wide spread. High volatility — verify condition and seller carefully.
Liquidity
High
105 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.

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: high
$280.93 – $525
Typical market band
Observed range: $100 – $1470.35
Median: $358.68
32 listings • 4 SKU(s)
Original
Confidence: high
$600 – $988.99
Typical market band
Observed range: $281.24 – $2503
Median: $891.08
73 listings • 16 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

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

ManufacturerMPNCertification
CrucialCT64G4RFD4266OriginalView SKU →
DellAA940924OEMView SKU →
HPEP00924-B21OEMView SKU →
KingstonKVR26R19D8/64OriginalView SKU →
Lenovo4ZC7A08709OEMView SKU →
MicronMTA36ASF8G72PZ-2G6OriginalView SKU →
SamsungM393A8G40MB2OriginalView SKU →
SamsungM393A8G40MB2-CVFOriginalView SKU →
SamsungM393A8G40MB2-CVF6YOriginalView SKU →
SamsungM393A8G40MB2-CVFB0OriginalView SKU →
SamsungM393A8G40MB2-CVFBQOriginalView SKU →
SamsungM393A8G40MB2-CVFBYOriginalView SKU →
SamsungM393A8G40MB2-CVFBYMOriginalView SKU →
SamsungM393A8G40MB2-CVFCOOriginalView SKU →
SamsungM393A8G40MB2-CVFCQOriginalView SKU →
SamsungM393A8G40MB2-CVFG0OriginalView SKU →
SamsungM393A8G40MB2-CVFSOriginalView SKU →
SamsungM393A8G40MB2-CVFSMOriginalView SKU →
SK HynixHMAA8GR7AJR4N-VKOriginalView SKU →
SupermicroMEM-DR464L-CL01-ER26OEMView 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.
✓
Original manufacturer alternative
Original manufacturer parts are available in this market, with 73 observed listings — often a lower-cost path around OEM firmware locks. Platform-specific qualification should still be verified.
⚠
Wide price spread detected
185% spread across observed listings. This often reflects condition differences (new vs refurbished), varying warranty terms, or outlier sellers. Verify condition and seller reputation before purchasing.
▶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
RDIMM
Capacity
64 GB
Speed
2666 MT/s
ECC
Yes
Status
active

High-liquidity large-capacity class

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 RDIMM 64GB · 2933 MT/s→DDR4 RDIMM 64GB · 3200 MT/s→DDR4 RDIMM 32GB · 2666 MT/s→DDR4 RDIMM 16GB · 2666 MT/s→DDR4 RDIMM 8GB · 2666 MT/s→DDR4 RDIMM 128GB · 2666 MT/s→DDR4 LRDIMM 64GB · 2666 MT/s→DDR4 LRDIMM 64GB · 2400 MT/s→
Browse all server memory markets →
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