this post was submitted on 05 Oct 2025
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It has connectors for both SATA and m.2 NVMe drives. It can only use one or the other though. The m.2 drive needs a caddy with the correct ribbon cable to connect to the motherboard.
The T580 accepts NVMe directly? Interesting. And yeah that's the right approach if it can work.
Yes, it supports NVMe, but it's only 2 lanes. I found the FRU numbers, the caddy is
01YR457and the cable is01YR466. It's also possible to put a second SSD in the WWAN slot, but it's really hard to find one with the correct key to fit the slot.It looks like you can get some knockoffs on ebay for about USD $35 for the pair.
Cool, I'm pretty sure my T520 is SATA only. I decided against buying another SATA SSD at least for now, on the theory that I'm likely to get a more modern machine sometime, that can accept NVMe directly.
The mPCIe ports can theoretically take an M.2 NVME with an adapter, but it's more of a curiosity since it'll be severely bottlenecked and not eligible as a boot drive.
a 2242 nvme + 2.5in sata iirc.
if the exchange would cost return shipping, i'd just put that towards a usb enclosure instead and make it an external.. then buy another of the correct type and form factor