Using Intel AX200 M.2 WLAN card with mini-PCIe <-> M.2 adapter on Lenovo ThinkPad X230 - it works - Thinkpads Forum
One of my x230's final upgrades - a 1TB mSATA drive : r/thinkpad
For Lenovo Thinkpad X230 Notebook Motherboard I5-3320m Cpu 11297, 04w6716 04x3740 100% Test - Laptop Motherboard - AliExpress
ThinkPad x230にmSATAのSSDを増設した話 | 迷惑堂本舗
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NEW 1TB mSATA SSD SATA III 6Gb/s For ThinkPad X220 X230 T420 T430 T430S X1 W520 | eBay
Can I connect this X270 nvme/pcie to my X230 somehow? (The X230 only supports mSATA that I know of) : r/thinkpad