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G.Skill Aegis DDR4 16GB RAM with 2x8GB Modules and Speed 2666 for Desktop
Memory RAM

G.Skill Aegis DDR4 16GB RAM with 2x8GB Modules and Speed 2666 for Desktop Code: F4-2666C19D-16GIS

Key features:

  • Speed: 2666 MT/s
  • CAS Latency (CL): 19-19-19-43
  • Voltage: 1.20V
See full description

  • Speed

    The main characteristic of memory speed.

    It should be supported by the motherboard, there is no point in installing memory of higher speed than what the motherboard supports.

  • Type

    DDR4

    They are used in modern computer systems, they are faster than DDR3, with lower power consumption & higher capacities. They are not compatible with motherboards that support DDR3.

  • Computer Type

    The type of computer for which the memory is intended.

  • CAS Latency

    The response time of the RAM memory to the commands received by the system.

    The smaller the better for memories with the same frequency, otherwise the frequency is more important for the speed of the memory.
  • See all
Product report

Description

Description

The G.Skill Aegis, named after the ancient Greek mythology, "Aegis" the shield of Zeus, is aimed at users who demand high performance and stability from their computer.


DDR4

DDR4 is the fourth generation of RAM technology for computers. It replaces DDR3 and offers increased speeds and greater capacity than its predecessor.

Specifically, DDR4 offers operating speeds from 2133MT/s to 4800MT/s, latency (CAS Latency) from CL 9 to CL 22, while its capacity has increased up to 32GB per memory module.

For speed (MT/s) and capacity (GB), the larger size we choose and is supported by the motherboard, the better, while for latency (CL), we want the smallest size in relation to speed (MT/s).

The G.Skill Aegis provides a speed of 2666MT/s, with CL19 and 8GB per memory module.

Compatibility

DDR4 technology is compatible with specific motherboards and processors. Indicatively, DDR4 is compatible with Intel Skylake, Kaby Lake, Coffee Lake series processors and the latest Intel processors, as well as AMD Ryzen and Threadripper series processors.

However, for compatibility with your motherboard, you need to ensure that your motherboard supports DDR4 technology from the manufacturer. Compatibility depends on the processor platform and the type of motherboard you are using.

XMP & EXPO

XMP & EXPO is a technology that allows us to increase the frequency and performance of our computer's memory without the need for manual adjustments. (XMP/EXPO) is easily activated from the BIOS, available in certain RAM memories, and supported by certain motherboards.

The G.Skill Aegis has (XMP 2.0/EXPO) profiles with performances:

  • Speed (XMP/EXPO): 2666 MT/s
  • CAS Latency (XMP/EXPO): 19-19-19-43
  • Voltage (XMP/EXPO): 1.20V


Cooling & Design

The aluminum material along with the high-quality construction helps to keep the memory and the entire computer at a fairly low temperature and stability even in the most demanding operations.

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Product Number
F4-2666C19D-16GIS

Main Specifications

Total Capacity
16 GB

Total Capacity

The amount of information that can be held by RAM memory. For most uses, a capacity of 8-16GB is recommended depending on requirements.
Type
DDR4

Type

DDR4

They are used in modern computer systems, they are faster than DDR3, with lower power consumption & higher capacities. They are not compatible with motherboards that support DDR3.
Speed
2666

Speed

The main characteristic of memory speed.

It should be supported by the motherboard, there is no point in installing memory of higher speed than what the motherboard supports.
Computer Type
Desktop

Computer Type

The type of computer for which the memory is intended.
Size
DIMM GB

Size

The physical size of the RAM. The motherboard must support the corresponding size.

DIMM: This is the classic large memory module mainly used in desktop computers.

SODIMM: This is a smaller version of DIMM, designed for laptops and devices with limited space.

LCAMM2: A new RAM technology, with a much slimmer size and double the data bus width, allowing for higher speeds and greater performance in thinner laptops.

DIMM

The standard physical size of RAM memory for desktop computers.
Device Group
Gaming
UDIMM
Yes

UDIMM

It is the "classic" type of RAM used by most home computers and gaming PCs for decades.
CUDIMM
No

CUDIMM

Clocked Unbuffered DIMM. This is the new DDR5 standard designed to break the barrier of very high speeds. It features an additional chip on the RAM stick called the Client Clock Driver (CKD). Requires support from CPU/Motherboard (e.g. Intel Arrow Lake and later)

Special Features

Modules
2

Modules

The number of memory sticks. The motherboard should have the corresponding number of slots.

Often, the use of multiple sticks is preferred, allowing them to operate in parallel (e.g. dual channel), which offers better performance. To operate memory sticks in parallel, the motherboard must support it.
CAS Latency
19

CAS Latency

The response time of the RAM memory to the commands received by the system.

The smaller the better for memories with the same frequency, otherwise the frequency is more important for the speed of the memory.
Memory Profile
Intel XMP
RGB Lighting
No

RGB Lighting

It features built-in RGB lighting with multiple colors.

The RGB lighting can take on various shades by combining the colors red, green, and blue, offering a modern aesthetic result.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Reviews (59)

Reviews

4.8
59
4.8
Review this product
  1. 52
  2. 5
  3. 2
  4. 2 stars
    0
  5. 1 star
    0
Review this product

Reviews by our members

  • nikos.dafno14
    5
    nikos.dafno14

    Very good, I have installed 2 of 16GB in a PC I built in 2022 and use daily. I have had no problems so far. (08/2025)

    Translated from Greek ·
    0
  • Nuclear23
    3
    Nuclear23

    There is cheaper memory and I chose the better one because I believed it had coolers on top of the photo, but it is a sticker. I bought extra coolers afterwards.

    Translated from Greek ·
    1
  • Gerakofwlias
    4
    Gerakofwlias

    We used them in a build that you can see here: https://youtu.be/9bAkwQLPwbQ

    They have good value although they are relatively slow, if you have an H410 or older chipset and cannot take advantage of higher frequencies then this particular set is just what you need.
    They are quite ugly up close as they simply have a sticker stuck on top of the chips and it is also quite dark so in the end you can hardly see anything.
    Our ones are also a bit difficult and require several attempts until they play and the system posts.

    Translated from Greek ·
    6
  • master9king89
    5
    master9king89

    Simply put, they are amazing, they have everything you need, you don't pay for the brand, you pay for the power... compared to Trident Z and in big tests like gaming and video editing on the same computer with the same settings... zero difference.

    Translated from Greek ·
    1
  • 5
    Nikos_Paparidis

    ram :thumbsup:

    Translated from Greek ·
    0
  • See all

Description & Specifications

The G.Skill Aegis, named after the ancient Greek mythology, "Aegis" the shield of Zeus, is aimed at users who demand high performance and stability from their computer.


DDR4

DDR4 is the fourth generation of RAM technology for computers. It replaces DDR3 and offers increased speeds and greater capacity than its predecessor.

Specifically, DDR4 offers operating speeds from 2133MT/s to 4800MT/s, latency (CAS Latency) from CL 9 to CL 22, while its capacity has increased up to 32GB per memory module.

For speed (MT/s) and capacity (GB), the larger size we choose and is supported by the motherboard, the better, while for latency (CL), we want the smallest size in relation to speed (MT/s).

The G.Skill Aegis provides a speed of 2666MT/s, with CL19 and 8GB per memory module.

Compatibility

DDR4 technology is compatible with specific motherboards and processors. Indicatively, DDR4 is compatible with Intel Skylake, Kaby Lake, Coffee Lake series processors and the latest Intel processors, as well as AMD Ryzen and Threadripper series processors.

However, for compatibility with your motherboard, you need to ensure that your motherboard supports DDR4 technology from the manufacturer. Compatibility depends on the processor platform and the type of motherboard you are using.

XMP & EXPO

XMP & EXPO is a technology that allows us to increase the frequency and performance of our computer's memory without the need for manual adjustments. (XMP/EXPO) is easily activated from the BIOS, available in certain RAM memories, and supported by certain motherboards.

The G.Skill Aegis has (XMP 2.0/EXPO) profiles with performances:

  • Speed (XMP/EXPO): 2666 MT/s
  • CAS Latency (XMP/EXPO): 19-19-19-43
  • Voltage (XMP/EXPO): 1.20V


Cooling & Design

The aluminum material along with the high-quality construction helps to keep the memory and the entire computer at a fairly low temperature and stability even in the most demanding operations.

Manufacturer

Manufacturer Details

Warnings & Safety Information
Product Number
F4-2666C19D-16GIS

Main Specifications

Total Capacity
16 GB

Total Capacity

The amount of information that can be held by RAM memory. For most uses, a capacity of 8-16GB is recommended depending on requirements.
Type
DDR4

Type

DDR4

They are used in modern computer systems, they are faster than DDR3, with lower power consumption & higher capacities. They are not compatible with motherboards that support DDR3.
Speed
2666

Speed

The main characteristic of memory speed.

It should be supported by the motherboard, there is no point in installing memory of higher speed than what the motherboard supports.
Computer Type
Desktop

Computer Type

The type of computer for which the memory is intended.
Size
DIMM GB

Size

The physical size of the RAM. The motherboard must support the corresponding size.

DIMM: This is the classic large memory module mainly used in desktop computers.

SODIMM: This is a smaller version of DIMM, designed for laptops and devices with limited space.

LCAMM2: A new RAM technology, with a much slimmer size and double the data bus width, allowing for higher speeds and greater performance in thinner laptops.

DIMM

The standard physical size of RAM memory for desktop computers.
Device Group
Gaming
UDIMM
Yes

UDIMM

It is the "classic" type of RAM used by most home computers and gaming PCs for decades.
CUDIMM
No

CUDIMM

Clocked Unbuffered DIMM. This is the new DDR5 standard designed to break the barrier of very high speeds. It features an additional chip on the RAM stick called the Client Clock Driver (CKD). Requires support from CPU/Motherboard (e.g. Intel Arrow Lake and later)

Special Features

Modules
2

Modules

The number of memory sticks. The motherboard should have the corresponding number of slots.

Often, the use of multiple sticks is preferred, allowing them to operate in parallel (e.g. dual channel), which offers better performance. To operate memory sticks in parallel, the motherboard must support it.
CAS Latency
19

CAS Latency

The response time of the RAM memory to the commands received by the system.

The smaller the better for memories with the same frequency, otherwise the frequency is more important for the speed of the memory.
Memory Profile
Intel XMP
RGB Lighting
No

RGB Lighting

It features built-in RGB lighting with multiple colors.

The RGB lighting can take on various shades by combining the colors red, green, and blue, offering a modern aesthetic result.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Reviews (59)

4.8
59
4.8
Review this product
  1. 52
  2. 5
  3. 2
  4. 2 stars
    0
  5. 1 star
    0
Review this product

Reviews by our members

  • nikos.dafno14
    5
    nikos.dafno14

    Very good, I have installed 2 of 16GB in a PC I built in 2022 and use daily. I have had no problems so far. (08/2025)

    Translated from Greek ·
    0
  • Nuclear23
    3
    Nuclear23

    There is cheaper memory and I chose the better one because I believed it had coolers on top of the photo, but it is a sticker. I bought extra coolers afterwards.

    Translated from Greek ·
    1
  • Gerakofwlias
    4
    Gerakofwlias

    We used them in a build that you can see here: https://youtu.be/9bAkwQLPwbQ

    They have good value although they are relatively slow, if you have an H410 or older chipset and cannot take advantage of higher frequencies then this particular set is just what you need.
    They are quite ugly up close as they simply have a sticker stuck on top of the chips and it is also quite dark so in the end you can hardly see anything.
    Our ones are also a bit difficult and require several attempts until they play and the system posts.

    Translated from Greek ·
    6
  • master9king89
    5
    master9king89

    Simply put, they are amazing, they have everything you need, you don't pay for the brand, you pay for the power... compared to Trident Z and in big tests like gaming and video editing on the same computer with the same settings... zero difference.

    Translated from Greek ·
    1
  • 5
    Nikos_Paparidis

    ram :thumbsup:

    Translated from Greek ·
    0
  • See all
153,58 €
14,00 €   shipping cost