This 4 GB CFast Type I card provides entry-level industrial storage for SIMATIC IPCs. It is sized for lightweight embedded operating systems and dedicated single-purpose storage — a cost-effective industrial CFast option when the application footprint is small and well-defined.

What are the typical use cases for a 4 GB CFast card?

4 GB suits Linux-based embedded controllers, dedicated data-logging buffers, and thin-client IPC deployments where the OS and application stack are stripped to essentials. For Windows IoT, 8 GB or larger is generally recommended due to the larger OS footprint. The card shares the same industrial qualifications as the larger variants — the cost savings come purely from matching capacity to a smaller application, not from any quality compromise.

Is this the same hardware platform as the larger CFAST cards?

Yes — all 6ES7648-2BF10 cards use the identical CFast Type I form factor (42.8 × 36.4 × 3.6 mm), SATA interface, 3.3V supply, and -40°C to +85°C industrial temperature rating. The flash controller, wear leveling, error correction, and power-loss protection are common across all capacities. Only the usable storage space differs.

Key Specifications

Frequently Asked Questions

Can I upgrade from 4 GB to a larger card later?

Yes — all CFAST Type I cards in the SIMATIC range use the same slot. To upgrade, clone the existing CFast card to the larger one using standard disk imaging tools, power off the IPC, swap the card, and reboot. The IPC will recognize the larger capacity automatically.

Is this card suitable for Windows 10 IoT?

Windows 10 IoT typically requires 8 GB or more for a functional installation with runtime software. The 4 GB card is better matched to compact Linux distributions or RTOS deployments. For Windows-based IPCs, Siemens recommends 8 GB minimum.