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Two black and red DDR4 DIMMs with low-profile heatspreaders

G.SKILL

G.SKILL Aegis F4-2666C19D-32GIS 32GB (2 x 16GB) DDR4 2666 desktop RAM

SKU CH-MJ0D-JP11D MPN F4-2666C19D-32GIS

Dual-channel 32 GB DDR4 kit running at 2666 MT/s with CL19 timing and 1.2 V operation

  • Capacity32GB (2 x 16GB)
  • Type288-Pin PC RAM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Timing19-19-19-43
  • Voltage1.20V

Capacity 32GB (2 x 16GB)

Speed DDR4 2666 (PC4 21300)

CAS Latency CL19

  • 32GB dual-channel kit expands system capacity for demanding workloads
  • DDR4 2666 speed delivers high data bandwidth for responsive performance
  • CL19 19-19-19-43 timings reduce latency for smoother application operation
  • 20V operating voltage lowers power draw and heat output
  • Intel XMP 2.0 profile enables one-click overclocking on supported platforms

Capacity and Kit Layout

This G.SKILL Aegis kit provides 32GB of DDR4 memory in a matched pair of two 16GB modules. It is built for desktop systems that require dual-channel bandwidth for gaming or general workloads. The black and red heatspreader fits standard DIMM slots without extra clearance concerns.

DDR4 2666 Interface Limits

The modules run at DDR4 2666 (PC4 21300) with CL19 19-19-19-43 timings at 1.20V standard voltage. Intel XMP 2.0 is supported for one-click profile loading on compatible boards. Do not mix this kit with other memory sets; mismatched kits cause stability issues and prevent the rated speed from being reached.

Installation and Common Pitfalls

Insert both DIMMs into the motherboard slots designated for dual-channel operation, usually the same-coloured pair. Enable the XMP 2.0 profile in BIOS to reach DDR4 2666; otherwise the system defaults to a lower JEDEC speed. Using four modules from two separate kits often prevents the XMP profile from applying correctly.

Highlights

  • 32GB dual-channel kit expands system capacity for demanding workloads
  • DDR4 2666 speed delivers high data bandwidth for responsive performance
  • CL19 19-19-19-43 timings reduce latency for smoother application operation
  • 20V operating voltage lowers power draw and heat output
  • Intel XMP 2.0 profile enables one-click overclocking on supported platforms

Specifications

BrandG.SKILL
SeriesAegis
ModelF4-2666C19D-32GIS
Capacity32GB (2 x 16GB)
Type288-Pin PC RAM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Timing19-19-19-43
Voltage1.20V
ECCNo
Buffered/RegisteredUnbuffered
Multi-channel KitDual Channel Kit
BIOS/Performance ProfileIntel XMP 2.0
ColorBlack / Red
FeaturesDDR4 memory designed for compatible Intel or AMD platforms.
Do not mix memory kits. Memory kits are sold in matched kits that are designed to run together as a set. Mixing memory kits will result in stability issues or system failure.
Memory kits will boot at the SPD speed at default BIOS settings with compatible hardware.
Usage in any manner inconsistent with manufacturer specifications, warnings, designs, or recommendations will result lower speeds, system instability, or damage to the system or its components.
Refer to the G.SKILL memory kit QVL on the G.SKILL website to check mot
Recommend UseAMD X399 / TRX40 / X570 / X470 / X370 / B550 / B450 / B350
Intel X299 / Z790 DDR4 / Z690 DDR4 / Z590 / Z490 / Z390 / Z370 / Z270 / Z170
Shipping weight0.07 kg
Package size150 × 122 × 15 mm

Other versions of this model

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Questions about this item

Will this 32 GB kit work in a dual-channel motherboard with four slots?

Yes, the kit is a matched pair of 16 GB modules designed for dual-channel operation on 288-pin DDR4 motherboards.

Does the kit run at 2666 MHz automatically or do I need to enable a profile?

The modules run at standard JEDEC speeds by default; enable Intel XMP 2.0 in the BIOS to reach the rated 2666 MHz with timings of 19-19-19-43 at 1.20 V.

Is this memory compatible with my AMD B550 or Intel Z690 DDR4 board?

The kit is validated for AMD X399, TRX40, X570, X470, X370, B550, B450, B350 and Intel X299, Z790 DDR4, Z690 DDR4, Z590, Z490, Z390, Z370, Z270, Z170 platforms.

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