Crucial DDR4 - module - 8 GB - DIMM 288-PIN

The Crucial DDR4 8GB 2666MHz memory module (CT8G4DFRA266) is a single 8 GB DDR4 DIMM designed to improve desktop and server performance by increasing short-term data access and multitasking capacity. With a 2666 MHz clock speed, CAS latency 19 and 1.2 V operation, this module helps load applications faster, increase system responsiveness and support data‑intensive workloads without replacing the entire system.

Advantages

This Crucial memory module provides a cost‑effective way to boost performance by adding more RAM and increasing memory speed. It enables quicker application load times and smoother multitasking by supplying additional short‑term data access. Manufactured by Micron under the Crucial brand, the module follows established memory standards and is covered by a limited lifetime warranty.

Suitable for

• Upgrading desktop PCs to improve general responsiveness
• Enhancing multitasking for office applications, web browsing and media viewing
• Supporting data‑intensive applications and light server tasks
• Replacing or expanding existing DDR4 slots operating at 2666 MHz

Key specifications

• Capacity: 8 GB
• Type: DDR4
• Clock speed: 2666 MHz
• CAS latency: 19
• Voltage: 1.2 V
• Manufacturer part number (MPN): CT8G4DFRA266
• EAN: 649528903501

How to use

Power off the computer and disconnect it from the mains. Open the case following your owner's manual, locate an available DDR4 DIMM slot and align the module with the slot notch. Firmly press the module into the slot until the retention clips click into place. Close the case, reconnect power and start the system; the new memory will be detected automatically. Refer to your motherboard manual for supported slot configurations and pairing recommendations.

Recommendations

For best performance, install matching modules in paired DIMM slots to enable dual‑channel operation and consult your motherboard documentation for compatible memory speeds and voltage settings. When replacing modules, ensure the system supports DDR4 2666 MHz and check BIOS/UEFI settings if the full speed is not applied automatically.