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G.Skill F4-2666C19S-16GIS Aegis 16GB DDR4 2666 Desktop Memory — main product image
G.Skill

G.Skill F4-2666C19S-16GIS Aegis 16GB DDR4 2666 Desktop Memory

16GB DDR4

Unleash the Power of Your Gaming Rig G.Skill Aegis DDR4 memory is engineered to deliver the strength and performance your gaming system deserves. With its high stability and upgraded performance, Aegis is designed for the latest PC gaming platforms. Equip your gaming arsenal with Aegis DDR4 memor...

$119.99*$139.99Save 14%
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*Price sourced from Amazon.com. Last updated:Oct 23, 2026.Price and availability are subject to change — details.

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Overview

Unleash the Power of Your Gaming Rig

G.Skill Aegis DDR4 memory is engineered to deliver the strength and performance your gaming system deserves. With its high stability and upgraded performance, Aegis is designed for the latest PC gaming platforms. Equip your gaming arsenal with Aegis DDR4 memory and experience smooth gameplay, whether you're into FPS, RTS, MOBA, or MMORPG titles.

Specifications:

  • Brand: G.Skill
  • Model: F4-2666C19S-16GIS
  • Capacity: 16GB
  • Type: DDR4 SDRAM
  • Speed: DDR4 2666 (PC4 21300)
  • Pins: 288-Pin

Key Features

G.SKILL AEGIS Series DDR4 U-DIMM Memory Kit, Model: F4-2666C19S-16GIS

Non-ECC, DDR4 U-DIMM, 288-pin, for Desktop PC & Gaming

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.

Refer to G.SKILL memory QVL or RAM Configurator tool on the G.SKILL website for more details on validated motherboard and hardware.

Usage in any manner inconsistent with manufacturer specifications, warnings, designs, or recommendations will result in lower speeds, system instability, or damage to the system or its components.

Memory kits will boot at JEDEC default SPD speed at default BIOS settings with compatible hardware.

Visit the G.SKILL warranty policy webpage for more details.

Specifications

Series
AEGIS Series
Memory Type
DDR4 U-DIMM
Capacity
16GB (1x16GB module)
Speed Rating
DDR4-2666
CAS Latency (CL)
19
Timing
19-19-19-43
Voltage
1.20V
Error Correction
Non-ECC
Pin Count
288-pin
Form Factor
U-DIMM
Application
Desktop PC & Gaming
Profile
JEDEC default

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Frequently Asked Questions

This G.Skill Aegis memory kit has a total capacity of 16GB, provided by a single 16GB DDR4 module.
This memory kit is rated for a speed of DDR4-2666, offering efficient performance for desktop PCs and gaming.
The G.Skill F4-2666C19S-16GIS module operates at 1.20V, which is a standard voltage for DDR4 memory.
While it includes a JEDEC default profile for broad compatibility, G.SKILL recommends referring to their memory QVL or RAM Configurator tool for specific motherboard validation.
G.SKILL explicitly warns against mixing memory kits, as it can lead to stability issues or system failure. It is designed to run as a matched set.
Yes, this Non-ECC, DDR4 U-DIMM, 288-pin memory kit is specifically indicated for use in Desktop PC & Gaming systems.

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