Aiming at the equipment itself: cover the equipment with sound insulation cover, and use noise reduction equipment such as muffler and vibration reduction table to reduce the noise of the equipment itself.
For the computer room: the computer room can be soundproof and decorated with sound insulation boards. Sound-absorbing material, sound-absorbing cotton, shock-absorbing pad, etc. , improve the sound insulation ability of the computer room itself. You can also use soundproof doors and windows above the computer room.
For the route of transmission: set up a sound barrier between them for sound insulation.