Dell Latitude 5400 i5 gen 8 16GB 500GB: HDD upgrade to 2.5 SATA SSD 256 GB - YouTube
Amazon.com: Dell Latitude 5400 Business Laptop, 14 FHD (1920 x 1080) Non-Touch, Intel Core 8th Gen i5-8350U, 16GB RAM, 512GB SSD, Windows 10 Pro (Renewed) : Electronics
Dell Latitude 5400 14" Laptop Intel i5 8th Gen 2.4GHz 8GB 256GB SSD Windows 11 Pro w/ Bluetooth HDMI WiFi
Dell Latitude 5400 - disassembly and upgrade options - YouTube