I have acquired a Lenovo P15 gen 1 beast with a 4K LCD. This beast has dual M.2 slots and a 4K UHD panel. The T1000 graphics are mediocre but there is some use for the discrete graphics. Might look at upgrades for the machine.

Dual M.2 slots will be handy as I can use one slot for the boot and the second one can handle more games etc.

The Core i7-10850H (6 cores, 12 threads) is strong enough for Excel not to bog down with modelling etc. CPU can run at 5.1 GHz with Turbo Boost. CPU is Comet Lake, mediocre but it runs good enough. CPU is PCIe 3.0 so its mediocre but it better than some older machines I have.

The IPS LCD is nice for video which is why I picked this one as it supports 100% Adobe RGB. Viewing angle is wide too.

Dual TB3 ports allow for more devices to be attached so I can more easily use docks etc as the power is not USB-C on this machine.

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USB 3.5" enclosures are $19 USD postage paid from China, I own several

so you bought a 6 year old PC. What type of modelling are you doing in Excel. how much was it? can you provide a picture of it?