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G.SKILL
G.SKILL Aegis F4-2666C19D-16GIS 16GB (2×8GB) DDR4 2666 CL19 desktop RAM
Dual-channel 16 GB DDR4 kit running at 2666 MHz with CL19 timings at 1.2 V
- Capacity16GB (2 x 8GB)
- Type288-Pin PC RAM
- SpeedDDR4 2666 (PC4 21300)
- CAS LatencyCL19
- Timing19-19-19-43
- Voltage1.20V
- 16 GB dual-channel kit doubles capacity for multitasking
- DDR4 2666 speed delivers 21300 MT/s data rate
- CL19 19-19-19-43 timings cut latency for snappier response
- 20 V operation lowers power draw and heat
- Tested on major Intel and AMD platforms for broad compatibility
Aegis DDR4 2666 dual-channel kit
This G.SKILL Aegis kit provides 16 GB of DDR4 memory in two matched 8 GB modules. It runs at 2666 MT/s with CL19 timing and 1.20 V operation. The kit targets desktop builders upgrading Intel or AMD platforms that support DDR4.
Check motherboard DDR4 slot count
Verify that your board has at least two free 288-pin DDR4 slots and consult its qualified vendor list for F4-2666C19D-16GIS. Do not combine this kit with other modules; mixing kits causes stability issues. Ensure the BIOS is updated for the memory speed you intend to run.
Sustained load runs at rated 1.20 V
Under continuous workloads the modules maintain DDR4-2666 at 19-19-19-43 timings without requiring elevated voltage. Heat spreaders in black and red help dissipate heat during extended gaming or rendering sessions. Stability is validated across major motherboard brands for long-term operation.
Highlights
- 16 GB dual-channel kit doubles capacity for multitasking
- DDR4 2666 speed delivers 21300 MT/s data rate
- CL19 19-19-19-43 timings cut latency for snappier response
- 20 V operation lowers power draw and heat
- Tested on major Intel and AMD platforms for broad compatibility
Specifications
| Brand | G.SKILL |
|---|---|
| Series | Aegis |
| Model | F4-2666C19D-16GIS |
| Capacity | 16GB (2 x 8GB) |
| Type | 288-Pin PC RAM |
| Speed | DDR4 2666 (PC4 21300) |
| CAS Latency | CL19 |
| Timing | 19-19-19-43 |
| Voltage | 1.20V |
| ECC | No |
| Buffered/Registered | Unbuffered |
| Multi-channel Kit | Dual Channel Kit |
| Color | Black / Red |
| Features | DDR4 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 Use | AMD X399 / TRX40 / X570 / X470 / B550 / B450 / B350 Intel X99 / X299 / Z790 DDR4 / Z690 DDR4 / Z590 / Z490 / Z390 / Z370 / Z270 / Z170 |
| Shipping weight | 0.07 kg |
| Package size | 151 × 121 × 15 mm |
Questions about this item
Will this 16GB kit run in dual channel on my motherboard?
Yes, the kit contains two matched 8GB modules designed to operate together in dual-channel mode on supported platforms.
Does the 1.20V voltage work with standard desktop boards?
The modules run at the standard DDR4 voltage of 1.20V, which is supported by all current desktop motherboards without manual adjustment.
What do the timings 19-19-19-43 mean for real use?
These figures are the CAS latency and related delays at 2666 MT/s; lower numbers would respond slightly faster, but CL19 is typical for this speed grade.
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