Crucial 16GB DDR4 2666 MHz UDIMM Desktop Memory Module

Overview

The Crucial CT16G4DFRA266 is a 16 GB DDR4 desktop memory module designed to enhance system performance by increasing available RAM. Operating at 2666 MHz with a CAS latency of 19 and a low 1.2 V voltage, it provides a reliable boost in speed and responsiveness for everyday computing tasks, light content creation, and multitasking. Its standard 288-pin UDIMM format ensures compatibility with most modern desktop motherboards, making it a practical upgrade for home, office, or gaming setups.

Key features

• 16 GB capacity that allows for smoother multitasking and faster application load times
• 2666 MHz data rate delivering balanced performance without the need for overclocking
• CAS latency of 19, offering a good compromise between speed and system stability
• Unbuffered design without ECC, ideal for mainstream desktop environments where error correction is not required
• Low 1.2 V operating voltage that reduces power consumption and heat generation
• Slim PCB profile that fits easily in tight spaces around CPU coolers and compact cases
• Plug-and-play installation with automatic recognition by most DDR4-compatible motherboards

Key specs

• Memory type: DDR4 UDIMM
• Capacity: 16 GB
• Speed: 2666 MHz (PC4-21300)
• CAS latency: 19
• Voltage: 1.2 V
• Pin count: 288-pin
• ECC: No (unbuffered)

Compatibility and installation

This memory module is compatible with desktop motherboards that support DDR4 288-pin UDIMM slots. It is well suited for users looking to upgrade their existing systems without complex BIOS adjustments or overclocking. Installation involves simply seating the module into an available DIMM slot, making it accessible for both first-time builders and experienced users upgrading their rigs.

Ideal uses and environments

The Crucial CT16G4DFRA266 fits well in home and office desktops where reliable memory performance is essential for multitasking and productivity. It also suits small gaming systems and DIY builds that require stable and straightforward memory upgrades. This module helps maintain system responsiveness when running multiple applications or browser tabs, making it a solid choice for everyday computing needs.