Technical Snapshot

The G.Skill Aegis DDR4 16GB (2x8GB) 2666MT/s DIMM Intel XMP — F4-2666C19D-16GIS is a high-performance DDR4 desktop memory kit with Intel XMP overclocking support. Running at 2,666 MT/s with CL19-19-19-43 timings at 1.2V, it supports Intel XMP profiles for one-click speed optimization in compatible BIOS. The kit provides 16GB (2x8GB) of DDR4 memory with a Aluminum heatspreader design. Backed by a Limited Lifetime warranty, suited for gaming PCs, productivity workstations, and general desktop computing.

Use Case: Gaming, content creation, desktop computing
Compatibility: DDR4-compatible desktop motherboard
Category: DDR4 DIMM — G.Skill Aegis

G.Skill RAM

G.Skill Aegis

Aegis DDR4 16GB (2x8GB) 2666MT/s DIMM Intel XMP — F4-2666C19D-16GIS

Name: G.Skill Aegis DDR4 16GB (2x8GB) 2666MT/s DIMM Intel XMP — F4-2666C19D-16GIS
Brand: G.Skill
SKU: F4-2666C19D-16GIS

DDR4 · DIMM · 2,666 MT/s · CL19-19-19-43 · 16GB (2x8GB)

Speed 2,666 MT/s

Capacity 16GB (2x8GB)

Timings CL19-19-19-43

Profile Intel XMP

MPNF4-2666C19D-16GIS

EAN4719692019981

CategoryMemory

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Memory Specifications

Memory TypeDDR4

Form FactorDIMM

Total Capacity16GB (2x8GB)

Speed2,666 MT/s

TimingsCL19-19-19-43

Voltage1.2V

XMP/EXPO ProfileIntel XMP

HeatspreaderAluminum

Module Height33.0 mm

WarrantyLimited Lifetime

Full Specifications

Data sourced from G.Skill product specifications

Memory
Product Line	Aegis
Memory Type	DDR4
Form Factor	DIMM
Total Capacity	16GB (2x8GB)
Module Count	2
Module Capacity	8GB
Speed	2,666 MT/s
Timings & Voltage
Timings	CL19-19-19-43
Voltage	1.2V
XMP/EXPO Profile	Intel XMP
Design
Heatspreader	Aluminum
Color	Black
Module Height	33.0 mm
Product
Brand	G.Skill
MPN	F4-2666C19D-16GIS
EAN	4719692019981
Warranty	Limited Lifetime
Physical
Weight	0.070 kg
Package Dimensions	16.0 x 14.5 x 1.4 cm

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G.Skill Aegis DDR4 16GB (2x8GB) 2666MT/s DIMM Intel XMP — F4-2666C19D-16GIS DatasheetPDF · Technical specifications

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Frequently Asked Questions

What motherboards are compatible with this memory?

The G.Skill Aegis DDR4 16GB (2x8GB) 2666MT/s DIMM Intel XMP — F4-2666C19D-16GIS requires a DDR4-compatible motherboard. Compatible platforms include AMD AM4 (B550, X570, B450, etc.) and Intel LGA 1700 (B660, Z690) or LGA 1200 (B560, Z590). DDR4 is NOT compatible with DDR5 slots — they use different pin configurations.

Do I need to enable Intel XMP in BIOS?

Yes. Out of the box, DDR4 memory runs at JEDEC default speed (typically 2133 MT/s). To achieve the rated 2,666 MT/s with CL19-19-19-43 timings, enable Intel XMP in your motherboard BIOS. This is a one-click setting in the memory overclocking section.

Does this kit run in dual-channel mode?

Yes, the G.Skill Aegis DDR4 16GB (2x8GB) 2666MT/s DIMM Intel XMP — F4-2666C19D-16GIS includes 2 modules which enable dual-channel mode when installed in the correct DIMM slots (typically A2+B2 or slots 2+4). Dual-channel doubles memory bandwidth compared to single-channel configuration. Check your motherboard manual for optimal slot placement.

Does this memory have a heatspreader?

Yes, the G.Skill Aegis DDR4 16GB (2x8GB) 2666MT/s DIMM Intel XMP — F4-2666C19D-16GIS features a Aluminum heatspreader. The module height is 33.0 mm.

What warranty does this memory come with?

The G.Skill Aegis DDR4 16GB (2x8GB) 2666MT/s DIMM Intel XMP — F4-2666C19D-16GIS comes with a Limited Lifetime warranty from G.Skill.

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Product: G.Skill Aegis DDR4 16GB (2x8GB) 2666MT/s DIMM Intel XMP — F4-2666C19D-16GIS
MPN: F4-2666C19D-16GIS
Schemas: Product + BreadcrumbList + FAQPage
Properties: 13 additionalProperty entries
Related: 4 isRelatedTo links