2nd, any worthwhile mods for these? From what I've read, perhaps a Nvidea graphics card, higher resolution display, and a I 7 CPU.
My favorite mod for T420 (and T420s, T430, T430s) is the IPS mod, using either a FHD or QHD adapter board and a compatible screen. It's pricey but effectively modernizes the machine, increases productivity and helps reduce eye strain.
Otros: P71 Y260 W530 T520 T420s T510 W510 T410 T410s X201 T500 R500 W500 T400 X200 X200s T601F X601T R61 T60 T60p Z61m Z61t X60s Z60m T42p R50p A31p T30
2 finger scroll on old Synaptics touchpads.
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- Location: Lyon, France
For the display mod, there's a sticky topic above this one, here :
About what you said concerning the buttons, they can ben enabled/disabled in the BIOS, but with the touchpad. If you want to enable them without the touchpad, it's not possible. I think it would need a BIOS mod, but that's a domain on which I have no knowledge.
For the upgrades, the nec plus ultra is the SSD. It doesn't increase performance, but it gives more reactivity to the laptop and it's very nice for day to day use. On mine, I have an mSATA SSD, coupled with a 7 mm 500 GB hard drive. To have 8 GB of RAM or more is also interesting. It depends of the usage. If it's for office/surfing and multimedia, 8 GB is sufficient. If you want to do a lot of mutitasking, if you want to work on videos, 16 GB will be better. i7 can bring more performance too, again, it will depend on what you do.
Be careful with quad-cores : their TDP is more important than the one of dual-core processors. Forty-five watts (quad-cores), compared to thirty-five (dual-cores). It mean that there is more heat, so you must have the best cooling system (there are various versions). And if the heat can't be properly dissipated, then you'll face a decrease of the CPU frequency (so the CPU isn't as quick as it should be and performances are reduced.
And sometimes, the frequency decreases, increases, decreases and increases, and so on… rapidly and it's very difficult to use a PC in these conditions. It's called throttling (and it can ben very noisy too).
If you go quad-core, I advise you to install the good cooling system and, as I said in another topic of yours, to use liquid metal to apply on the cooling system and the CPU (expensive, but very efficient, but also dangerous, you'll have to be very careful when doing the assembly).
lenovo: T60 14.1" | T60 15.4" | T61 14.1″ WS | R60 | X60t | X61s | X61t | X301 | T400 | T400s | W500 | X200 | X201 | T410 | T410s | X220 | T420 | T420s | W520 | T430 | T440 | X250
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There are a few with either 1 or 2 USB 3.0 ports.
I haven't seen any with USB-C type ports tho...
Also there is the ThinkMods m.2 2242 NVMe adapter, but you'll be stuck with SATA 3 speeds due to limitations.
For the UltraBay you can get the HDD Caddy, or get a 2nd battery, tho they don't last as long as the regular battery due to cell type & i think it gets drained first when in use.
One nitpick i had was the TrackPad buttons.
I can't find the image, but once I was able to swap those buttons from a T430 style keyboard.
Since T430 style is thinner, I had to place a small folded piece of paper underneath it.
Otherwise the FHD upgrade is probably the best thing to happen, other than the issues the original run had.
Current: PixelBook & Precision 7730
Old Favorites: A31p, T43p, T430s
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