Lenovo ThinkPad X270 Disassembly and RAM, SSD and HDD upgrade options
Amazon.com: NVME M.2 PCIe SSD to 2.5 inch Hard Drive Caddy Bracket Tray with SATA HDD Long Cable Replacement for Lenovo ThinkPad X270 NS-A933 : Electronics
Lenovo Thinkpad X270 Laptop Hard Drive Replacement - LaptopHDS.com
X270 hdd question : r/thinkpad
Lenovo Thinkpad X270 X260 Laptop - Hard Drive HDD 2.5" SATA W/ Windows 10 64-Bit | eBay
Lenovo ThinkPad X270 Disassembly and RAM, SSD and HDD upgrade options