However, if your ThinkPad P72 has an empty M.2 slot, you can add an SSD and optionally clone your data over from the other M.2 SSD or the 2.5-inch HDD. Just want to add a drive without cloning?

While I see there's a m.2 slot, it's not clear what kind of m.2 slot it is. $50 for a DIMM, $60 for a 500GB SSD. You'll also want a USB enclosure to clone the HDD using Macrium Reflect free edition.

The Lenovo Legion 7 and Legion 7i (Gen 6) are high-end gaming laptops with room inside for dual M.2 SSDs. Here's how you can upgrade them, as well as what type of SSD you'll want to use.

Lenovo claims read/write speeds of up to 1050MB/s and 1000MB/s via USB 3.2 Gen2, though actual performance may depend on the host device. The SSD weighs 320g and measures 143.2mm in height, making ...