 Need to turn on V-Sync to enable high frame rates? No, kailan mo ay V-Sync if you see screen tearing, most likely at those high frame rates. Ano yung generic PSU and safe matong gamitin? Some people would say generic is any unbranded PSU, pero yung mas mahalaga dun, does it have an 80 plus rating? Generally, not a good idea to pair generic PSUs with expensive hardware. Yung AP21, can it fit a 4080? Barely, wouldn't recommend it. Not all 4080s are the same length, most are around 337mm and the GPU clearance for the AP21 is 338mm. Field bios covered by warranty. I assume you here means you, the user, that's usually not covered by the warranty. Pero pa minsan kaya pa yung ayusin ng supplier. 4500G for work from home and GTA V, yes that's fine. Can the VG278QL1A support 120Hz using HDMI 2? Yes, HDMI 2 supports up to 144Hz for 1440p, so kaya ang kaya. Plug a power strip into a UPS? Yes, that's fine. Although you're putting more burden on the UPS with the more things that you plug in. Okay lang ba to unplug a PC when natin use? Yes, that's fine.