Hp 4520 Best Buy -

You can find these for very low prices on eBay , often under $100, though many are sold "for parts".

It is highly modular; iFixit provides extensive guides for DIY repairs. hp 4520 best buy

Most units originally shipped with Windows 7 . While some have been upgraded to Windows 10 , performance may be sluggish on original hardware. You can find these for very low prices