Maintain steady performance in space-constrained QNAP systems with 4GB DDR4-2666 SO-DIMM memory. Built for supported NAS platforms, this module pairs DDR4 speed with a 260-pin SO-DIMM layout to fit compact server-class designs without adding unnecessary complexity. For IT teams standardizing memory across edge deployments, the T1 version designation helps align the module with compatible QNAP hardware. That matters when uptime, service consistency, and predictable expansion are more important than chasing oversized configurations. This module is a practical choice for environments that need dependable baseline memory for file sharing, backup jobs, and light application workloads. Choose this module when you want to preserve system compatibility and keep procurement simple. It delivers the right capacity for entry-level expansion while maintaining the electrical and physical profile expected by supported QNAP platforms. For organizations that value validated fit over generic alternatives, this is the safer path to stable operation.