Episode 47: SSD Interfaces — SATA, PCI E, M.2, and M SATA

from Certified - The CompTIA A+ Audio Course Hosted by Dr. Jason Edwards

This episode focuses exclusively on the different interface types used to connect SSD drives. We begin with SATA-based SSDs and describe how they offer improved speed over HDD but are still limited by the SATA bus. From there, we move into PCI Express-based SSDs, which leverage direct access to the motherboard for ultra-high throughput and extremely low latency. M.2 and mSATA are also explored in terms of physical size, keying notches, and compatibility with motherboard slots. Understanding the physical and performance differences between these interfaces helps you troubleshoot boot issues, verify BIOS settings, and select the appropriate drive for a given system. These topics often appear in both specification-based and scenario-based questions on the A Plus exam. Brought to you by BareMetalCyber.com.

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Episode 47: SSD Interfaces — SATA, PCI E, M.2, and M SATA

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This episode was published on August 16, 2025.

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