how to remove pc noise?

Is mini-PC good? There is a bunch of Mini-PCs on Amazon. Some of those have the com port. Is that the unnecessary cost?
This is a "how long is a piece of string" question. There is such a wide variety in mini-PCs, with all kinds of specifications, that a general answer is not possible. Basically a mini-PC contains the same hardware as a laptop, without display and without keyboard. And often they don't come with RAM and SSD storage, up to you to buy and install yourself.
 
Can you recommend your PC brand and model?

I have 3 Dell desktops that are all silent. The newest one is 3 months old, cost $1,046.82 at dell.com and specs shown below,

Vostro Desktop 3910
  • Cable
    US Power Cord
    Item number: 470-AAKG
  • Card Reader
    No Media Card Reader
    Item number: 385-BBPY
  • CD ROM/DVD ROM
    No Optical Drive
    Item number: 429-AAXO
  • Chassis Options
    300W PSU Bronze L5.5 exclusive
    Item number: 321-BHIY
  • Documentation/Disks
    SERI Guide (ENG/FR/Multi)
    Item number: 340-AGIK
  • Driver
    Wireless Driver
    Item number: 555-BHKX
  • FGA Module
    Fixed Hardware Configuration
    Item number: 998-FLMT
  • Hard Drive
    512GB M.2 PCIe NVMe Solid State Drive
    Item number: 400-BMWB
  • Keyboard
    Dell Multimedia Keyboard-KB216 Black (English)
    Item number: 580-AILI
  • Label
    Regulatory Label
    Item number: 389-ECMY
  • Memory
    8GB, 8Gx1, DDR4, 3200MHz
    Item number: 370-AGJH
  • Microsoft Application Software
    No Microsoft Office License Included – 30 day Trial Offer Only
    Item number: 658-BCSB
  • Mouse
    Dell Optical Mouse - MS116 (Black)
    Item number: 570-ABIE
  • Non-Microsoft Application Software
    Additional Software
    Item number: 619-ANJH
  • Operating System(s)
    Windows 11 Pro, English
    Item number: 619-APTP
  • Optical Software
    Not selected in this configuration
    Item number: 817-BBBC
  • Packaging
    Shipping Material
    Item number: 328-BENI
  • Processor
    12th Gen Intel(R) Core(TM) i7-12700 processor (12-Core, 25M Cache, 2.1GHz to 4.8GHz)
    Item number: 338-CCZJ
  • Processor Branding
    Intel(R) Core(TM) i7 non-vPro Processor Label
    Item number: 389-DXDV
  • Retail Information
    Return Label
    Item number: 811-BBBC
  • Security Software
    McAfee Small Business Security 12-month subscription (CB-D)
    Item number: 525-0323
    McAfee(R) 30day Trial
    Item number: 658-BCCO
  • Services:Hardware Support
    Onsite/In-Home Service After Remote Diagnosis, 1 Year
    Item number: 817-5411
    Dell Limited Hardware Warranty
    Item number: 817-5341
  • Systems Management
    MOD-SRV,SW,VOSDT,WIN,V3910
    Item number: 555-BHKM
    Energy Star Label
    Item number: 389-DOVG
  • UPC Label
    Print on Demand Label
    Item number: 389-BLKP
  • Video Card
    Intel UHD Graphics 770 with shared graphics memory
    Item number: 490-BHGN
  • Wireless
    Intel(R) Wi-Fi 6 2x2 (Gig+) and Bluetooth
    Item number: 555-BGBP
 
Does your dell case have the sound dampening panel? Or merely the metal case? Can you take a look at? Thanks.

I'm not sharp enough to be able to determine. I also have a 3 year old Dell desktop

Vostro DT 5090 BTX base that i cannot hear either. My third desktop is a 5 year old
Dell Inspiron i3650 Premium High Performance Desktop, Intel Core i5-6400, 8GB RAM, 1TB HDD, Windows 7 Pro

I can't hear that one either, so might better not take my recommendations. That 5 year old machine works flawless but Windows 10 and 11 on the newer ones save me lots of work for some of the things i do.


Some years ago i had a fancy gaming desktop and i could hear it loudly.

Maybe a surefire method is to walk in a store and check a few out. I like to order everything online and have it shipped in, but you never really know what you are getting exactly that way.
 
I finally built a fanless PC through the individual components. What is the good way to use that PC? Right now I have the external monitor, mouse, keyboard linked to my laptop. Do I need to buy another set of these? I hope to use that PC using a remote screen or something like that through my lap. If can be done, what is the software to use? Thanks.
 
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