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2025-12-04 10:28:09 What is a SATA DOM? A Complete Guide to This Embedded Storage Solution
When space is at a premium and reliability is critical, traditional storage drives often don't fit the bill. This is where the SATA DOM (Disk On Module) comes in. A SATA DOM is a compact, solid-state storage device that uses a standard SATA interface but is designed for direct attachment to a motherboard in space-constrained systems.
Unlike a regular 2.5-inch SATA SSD, a SATA DOM is a small, board-like module that plugs directly into a host system's SATA port, often without needing separate power cables. This makes it an ideal, streamlined storage solution for embedded systems, industrial PCs, thin clients, and servers where it acts as a boot drive or for application storage.
The core advantage of a SATA DOM lies in its ruggedness. It has no moving parts, making it highly resistant to shock, vibration, and extreme temperatures—with industrial-grade models operating from -40°C to +85°C. It’s designed for 24/7 operation in challenging environments like industrial control, telecommunications, military, and aerospace applications.
Key features often include low power consumption, support for SATA III speeds (up to 6Gbps), and hardware write-protection switches. Major manufacturers like Innodisk and Advantech offer models with specialized power delivery through the SATA connector itself (like Pin 7 or Pin 8 technology), eliminating external power cables for even simpler integration.
In short, if your project requires reliable, low-profile, and durable storage for a dedicated system, a SATA DOM is a purpose-built solution worth considering.
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