Both are good choices. 2TB is probably adequate for several years if all you are going to do with it is run a Bitcoin+Lightning node, and really, I wouldn't mix running a node with doing anything else on the same device.
I am a big fan of both nostr:nprofile1qqsw5t3us9xs3gmclzjm37hvk2yy6pv9t96utjjttsj794hexc5x79qpr9mhxue69uhhwmm59e38y6t8dp6xymmvwshxuet59uvh9rsk and nostr:nprofile1qqs9df4h2deu3aae83fmet5xmrlm4w5l9gdnsy3q2n7dklem7ezmwfcpz4mhxue69uhhyetvv9ujuerpd46hxtnfduhsz3rhwvaz7tekd3jks6rev3ehyargv9nk66tnxe6h2dn5w43kuerk0fmnwcm4vfc8z6mgweu8j7fhdfhkjmmrxs6k66mnwg6x2cty9ehku6t0dchsz9mhwden5te0wfjkccte9ehx7um5wghxjmnxduhs5nd6j2. Right now, my Start9 is my Bitcoin node and my Umbrel is my home server for my files and media. No more Google!