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Raspberry Pi 4 X825 2.5 inch SATA HDD/SSD Storage Expansion Board, X825 USB3.1 Mobile Hard Disk Module for Raspberry Pi 4B|Demo Board| - AliExpress
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Amazon.com: GeeekPi Acrylic Case with 4010 Fan (40mmx40mmx10mm) for Raspberry Pi 4 Model B X825 V2.0 2.5 inch SATA HDD/SSD Expansion Board & Raspberry Pi 4 Model B : Electronics
![Just in time for Pi Day, Western Digital announces a hard drive for the Raspberry Pi | Channel Daily News Just in time for Pi Day, Western Digital announces a hard drive for the Raspberry Pi | Channel Daily News](https://i.channeldailynews.com/wp-content/uploads/2016/03/Pi314_image01.jpg)