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G.Skill F4-2666C19D-16GNT 16GB (2x8GB) DDR4 2666MHz DIMM Memory Kit — main product image
G.Skill F4-2666C19D-16GNT 16GB (2x8GB) DDR4 2666MHz DIMM Memory Kit
G.Skill F4-2666C19D-16GNT 16GB (2x8GB) DDR4 2666MHz DIMM Memory Kit
G.Skill F4-2666C19D-16GNT 16GB (2x8GB) DDR4 2666MHz DIMM Memory Kit
G.Skill F4-2666C19D-16GNT 16GB (2x8GB) DDR4 2666MHz DIMM Memory Kit
G.Skill

G.Skill F4-2666C19D-16GNT 16GB (2x8GB) DDR4 2666MHz DIMM Memory Kit

★★★★★4.6 (19 reviews)

Affordable 16GB DDR4 dual-channel memory kit delivering reliable 2666MHz performance for everyday desktop builds.

$71.93*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

The G.Skill F4-2666C19D-16GNT is a 16GB dual-channel DDR4 memory kit consisting of two 8GB DIMM modules rated at 2666MHz. Designed for standard desktop builds, it operates at the default DDR4 voltage of 1.2V with CL19 timings, making it a plug-and-play upgrade for systems that don't require aggressive overclocking or XMP profiles. The bare PCB design keeps the module height to a minimum, ensuring compatibility with large tower coolers and compact cases alike.

This kit is well-suited for general productivity, web browsing, light content creation, and entry-level gaming rigs where 16GB of RAM provides a comfortable multitasking buffer. While the 2666MHz speed and CL19 latency won't set any benchmarking records, they represent a solid foundation for budget-conscious builders or anyone upgrading from 8GB. For systems with motherboards that support higher DDR4 speeds, users may want to weigh this kit against slightly faster options, but for platforms capped at 2666MHz — such as many non-Z Intel chipsets — it's a sensible match.

Key Features

Memory GSKILL DDR4 16GB PC2666 C19 NT 1X16GB 1.2V

Specifications

Brand
G.Skill
Model
F4-2666C19D-16GNT
Memory Type
DDR4
Capacity
16GB (2x8GB)
Speed
2666MHz (PC4-21300)
CAS Latency
CL19
Voltage
1.2V
Module Type
DIMM
Color
Noir (Black)

Pros & Cons

👍 Pros

  • Dual-channel 2x8GB configuration maximizes memory bandwidth over a single 16GB stick.
  • Low-profile bare PCB design fits under virtually any CPU cooler without clearance issues.
  • Runs at standard 1.2V DDR4 voltage with no XMP tuning required for rated speed on supported platforms.
  • Budget-friendly entry point for 16GB DDR4 capacity.

👎 Cons

  • CAS latency of CL19 is higher than competing kits at this speed tier, resulting in slightly looser timings.
  • No heatspreader means the bare memory chips are exposed and more vulnerable to physical contact during installation.
  • 2666MHz speed may be limited by some motherboards defaulting to 2133MHz, requiring a BIOS change to reach rated frequency.
  • Not ideal for memory-intensive workloads where 3200MHz or faster kits offer a meaningful performance advantage.

Frequently Asked Questions

Yes, the G.Skill F4-2666C19D-16GNT is a standard DDR4 DIMM kit compatible with Intel and AMD motherboards that support DDR4 2666MHz or higher.
The CAS latency is CL19, as indicated by the "C19" in the model number F4-2666C19D-16GNT.
Yes, the kit includes two 8GB modules specifically intended to run in dual-channel configuration when installed in the correct motherboard slots.
No, the F4-2666C19D-16GNT uses a bare PCB design without a heatspreader, which keeps the profile low and avoids clearance issues with CPU coolers.
It operates at the standard DDR4 voltage of 1.2V, requiring no additional BIOS adjustments for normal operation.

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