Jayz2Cents is awful. Please don't watch that stuff. They're so long winded and lacking in... actual information. Add Digital Foundry, Hardware Canucks.
I stopped watching Jay when... I think it was the 2080ti came out for over 1000 dollars? and he basically told people to stop complaining and just buy it.
Bringus Studios - this is pretty close to classic LTT episodes (he did "I bought a SEGA PC?!?!?!!" before Linus did) and often involves trying to upgrade hardware that wasn't designed to be upgraded or installing software on systems not meant for it (turning a PS4 into a steam deck for example) all with a delightful layer of jank to it
So kinda like the videos with Jake
A little more different but equally brilliant channel is
MattKC - his most popular video is him trying to get a game to fit into a qr code (brilliant) but also extends to him buying and fixing a Wii he bought for 1$ in Japan or trying to build the fastest Windows 98 compatible PC and modding old consoles
So kinda like the videos with Alex
Digital Foundry does really great deep-dives on the software side of things. A channel like GamersNexus is great for getting a sense for how a new CPU or GPU stacks up to other models. DF is great for looking at game performance in a specific title, and which settings to tweak for optimized performance with various graphics cards.
Edit: and they do the same for major console titles, plus cross-platform and cross-gen comparisons.
Only recently discovered CRD, but he's quickly becoming my favorite channel. He's doing the exact kind of deep dives into obscure tech topics that i love.
I can't believe no one mentioned MrMobile. I really enjoy his format and editing style. He mostly does phone and watch reviews, but sometimes sprinkle in laptops, and his When Phones were Fun series were awesome.
LowSpecGamer originally does what the channel name suggests, low spec hardware reviews and game on them with jank methods. However, he has since privated his previous videos, and transitioned to history and stories behind tech products.
One other channel that is more to the side of tech "explanation" is Technology Connections. The subjects of his videos are not necessarily "tech" we see in tech channels, but more appliance tech and the history or how it works. His channel is caption friendly too!
Hardware Canucks is very good for peripheral reviews. Haven’t watched them in a hot minute since I’ve been happy with my audio and mouse/keyboard setup, but they go the extra step of doing things like showing recordings from different headsets and how well a mouse glides.
Mental Outlaw for Linux/privacy stuff for sure. Dude has some hot takes and has been focusing a bit more on his farm at the moment but he's got some good topics
RandomGamingInHD is pretty neat. Like seeing people push real budget stuff to its absolute limits. LowSpecGamer used to be my go to for that, but it seems he completely changed thr channels directions and purged the old videos.
LGR and 8-bit Guy both do a lot of cool stuff with old and obsolete hardware.