HP 3115m 11.6" Dual-Core 320GB Laptop Price: $129.99 Shipping Options:: $5 Standard Shipping Estimates: Ships in 1-2 business days (Wednesday, Dec 30 to Thursday, Dec 31) + transit Condition: Refurbished
The only thing you may have to watch out for is if HP has whitelisted specific storage hardware in the BIOS, but that is typically more of an issue for other components, such as the wireless card.
Should be fairly simple to physically swap them. Probably just a couple screws on the bottom of the laptop to remove the current HDD (although I can’t see the bottom in images, so it could be more complex, but I doubt it).
The more complicated step will be transferring Windows from one drive to the other. There are probably several options. I suggest Googling for that. Try searching something like “transfer os when swapping hdd for ssd”. I found some decent info with that.
I have the consumer version of this laptop, the HP Pavilion dm1-4010us. It was great in 2011, and I still love the size and design, but it is now veeery sloowwww. Might be good for a kid – if you can swap in an SSD.
If you can find a clean copy of Windows 7 64-bit online, and enter the license code from the sticker on the bottom of the machine, you should be all set.
I have also a similar model DM1 that i got from Verizon with a cellular card. I put an SSD in it also and am still using it today… works great. Not slow at all and it has 5 GBs and SSD installed.