Yes. Tested parts dispatch from our Cairo warehouse by express courier, and we confirm the arrival window we genuinely expect for each consignment rather than publishing a figure.

It does, because your cooling plant has to reject heat into that outside air and it never gets easier. In a temperate climate the ambient temperature falls at night and the cooling system spends part of every day working well below its capacity. Where the overnight low is still warm and humid, that recovery period does not exist, and the plant runs near its design point continuously.

The things that age with heat and hours rather than with use. Fan bearings, power supply capacitors, and the thermal interface between processors and their heatsinks all degrade faster at a sustained higher temperature, and none of them reports a problem until it is close to failing.

Yes, and more cheaply than people expect. Fans, heatsinks and power supplies are inexpensive relative to the systems they protect, and on an estate under permanent thermal load they are closer to consumables than to spares. Holding them is the single highest-return decision available.

Yes. Cooling components for generations past OEM end of support are among the hardest items to obtain through official channels and among the most frequently needed here.