Tools in sets vary from general: "household" : perhaps two hammers, three screwdriver, two pliers, six combination wrenches, a hacksaw to the extremely specific. For computer work, there is no industry standard really possible, as servers, workstation, liquid cooled gaming systems, tiny portable ITX systems, notebooks, and and iPads will all need different tools and in some cases, test gear. I once had to rent a tool set for a single task: changing an air suspension air spring on a 1970 Mercedes 300SEL 6.3. One of the tools in that set cost more than $500 to buy.
For computer use, the sets intended specifically for computers can't be standardized as it would extremely expensive to be comprehensive. One of the better computer sets I know is the Gamers Nexus ($50), but even that one focuses on particular tool sizes that are not common and a couple are modified to fit in confined spaces:
Custom Hex Head 5.0mm (ground-down exterior for capacitor clearance)
Custom Hex Head 4.0mm (ground-down exterior for capacitor clearance)
Notice that it does not include the Torx 15 mentioned in the original post.
The recommendation by Pitout is very elegant, but that is specifically an excellent array of interchangeable bits. Any kit will be ultimately lacking in some tool and require additions, but in my view, the Reputas set needs too high a proportion of additions. I would be slightly concerned with what must be a quite small battery pack and the need for constant recharging, but it's still a tempting work of art.
My preference is that the computer tools is dedicated only to electronics tasks. It's clean and can be kept a few feet away.
Recommendation: My suggestion is the Fellowes 55-Piece Computer Tool Kit, making certain it includes any tool type or size -such as the Torx 15, and to that add: a very fine needle nose pliers, small but powerful LED flashlight, clamp on worklight/ extension cord, magnifying glass, parts boxes and dedicated microfiber shop cloths. An anti-magnetic mat or anti-static wrist band is a very good idea; I'm lucky to have gotten away with unplugging the system, pressing the power button to discharge, and often touching the chassis. Also, if these tools are used often- it's very convenient to have a dedicated tool box so everything can be kept together and moved just next to the project, and then put back.
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