A Pc is an excellent platform for multimedia.
In case of audio, you don't need much power for play back.
There are many different strategies to obtain best sound quality.
You can choose between a sound card or an outboard DAC
If the PC is located close to your audio silent operation is required.
In general laptops make less noise but there are exceptions to this rule.
You lack the space to add a soundcard of your choice to a laptop.
You need an outboard DAC if you want to improve on sound quality.
HD's in laptops are 2.5” quiet but limited in capacity compared
with the 3.5” models.
SSD (Solid State Disk) is the ideal choice, no moving parts at all but 1Tb in SSD is a bit expensive. OS on the SSD, music on a HD (if on a NAS, you don't have to worry about noise) might be an affordable solution.
There are Home Theatre PCs build with silence in mind.
Fanless PSU (power supply), heat sinks to cool the processor, silent kits
for HD's, etc.
For play back you don't need much power. Any MP3 player or cellular phone proves this point. There are claims that it is even better to go for low power.
Less electrical noise is generated and this might be beneficial for the sound quality.
Intel NUC Kit NUC5PGYH - Pentium N3700 / 2 GB RAM / 32 GB SSD / Windows 10 € 297,99
Intel® NUC Mini PC NUC5PGYH is the first offered as a complete system by Intel. A complete Mini PC in a tiny but mighty package, this Intel® NUC with a quad-core Intel® Pentium processor delivers the same performance and visuals you can get in a full sized tower. The system is preinstalled with Windows® 10, giving you the latest Windows right out of the box. 8-channel audio, built-in WiFi, and Bluetooth along with HDMI and wireless display capabilities makes NUC5PGYH an excellent HTPC. The NUC5PGYH also includes 32 GB of on-board storage, with room for an SSD or HDD drive for storing all your music, media, and other data.
Source: Intel
fit-PC2 Win7
Pro $499
1.6 GHz, 1GB RAM, 160GB HDD, Wi-Fi, Windows 7 Professional
VortexBox 500GB Micro NAS $399
More about low power PC.
A music server is a PC dressed up as audio gear.
More about music servers can be found here.
You can get all kind of parts to reduce noise level.
Big, low speed fans make less noise.
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CPU cooler | HD silencer |
Gigabyte is the first company known to me selling a mobo with audio quality as a sales argument.
It features a dedicated USB port with clean power.
The onboard audio has socketed op-amps and adjustable gain.
They also claim to shield the analog components from noise at PCB level.
Gigabytes GA-H81.Amp-UP
A audiophile PCI to USB card with ultra low noise regulator for digital, clock, PLL and USB power circuit and ultra low jitter clock for USB clock.
Compliant with USB 2.0
All ports can handle high-speed (480 Mbps), full-speed (12 Mbps), and low-speed (1.5 Mbps)
32-bit 33 MHz host interface compliant with PCI specification revision 2.2
From practical to esoteric, all possible tweaks can be found on the PC section of this forum.