I have 4 desktop computers. One for gaming, two for general use and one as a server for media.
Recently the computer shop emailed me offer 15% discount on the parts to build personal computer, so I thought why not to upgrade. Can build by yourself or they build it for you for $70. Of course I like to do things my way.
I have computers with processor Intel I5 and I7 second generation. It is not that processors improved much in speed but the memory with that processor was about 1000mb/s. New processors are not much faster but the memory runs at 2400mb/s.
Another improvement is with USB. Older USB2 ports have speed 480mb/s while new USB3.0 has 5GB or USB3.1 up to 10gb/s. (blue ones)
With new motherboard I also looked to get USB Type-C. (small rounded connector)
USB Type-C can support a much higher power output up to 100W at 20V and 5A.
All computers use for operating system SSD drives, they are much faster than standard hard drives.
However new technology is always coming. I upgrade them to M.2 which is again about 4 times faster. M.2 is just a board that mounts on top of motherboard.
Using USB3.1 and M.2 I was pleasantly surprised how fast windows and other programs get installed. Also the computer boots very fast.
Ryzen processors don’t have integrated video for now therefore additional video card is required.
While gaming PC uses GTX1080 ($1000) video card to drive 4k monitor other PC don’t need so much power. Other computers use RX460 ($130) is a decent card, it can drive 3 monitors using DVI, HDMI or display port connectors. It is also decent card for gaming.
Casing and power supplies. I wouldn’t go for cases with integrated power supply. Power supplies are important part and they range from $20 to few hundred dollars in price. Getting better PWS on long run is always better. At least rated as “silver” efficacy (~$100), especially if the PC is on all the time. Good PWS protects components better and it is more officiant with power. 10% more officiant supply during few years usage pays for the price difference.
Cooling fans. In usual CPU cooling fan is rubbish and needs replacement but the Ryzen fan is decent one so I did not replace it. (Water cooling I wouldn’t use it is to much trouble and maintenance). I bought few good case fans to make decent air flow in the case and to not have much noise.
Putting it altogether.
It is not hard. Since it is new processors mother board firmware constantly gets update so the first thing was to upgrade it. Without upgrade network didn’t work. Strangely one PC at start always makes 3 fast beeps. In usual it is a memory problem but the PC worked OK and showed the display. I noticed it would sometimes respond slowly. I tested memory but the test was ok. Since there is no logic that identical PC’s behave differently I investigated more.
PC uses 2 x 4Gb sticks of memory inserted in positions 2 and 4. Two memory sticks are better than 1 to utilize both memory channels. When removed one the beeps stopped, when rearranged them they stopped. When placed them back in 2,4 positions regardless which one, motherboard again beeps. So must be something with motherboard.
I looked carefully memory slots on the motherboard. One of them at the bottom had at one place brownish color. With pin I tried to clean it but it moved. On the end it wasn’t paint but about 5mm round piece of foil. After removing it the board did not make 3 beeps any more. I believe it was a solder protect foil used in manufacturing to protect some parts from solder.
Installed all programs (fast). I also use AOMEI Backupper. It is a free program that lets you backup all drive. After installing all programs I make few backups of whole drive, so after few months if get some unwanted problems with PC I just restore backup.
That would be my notes that may helps if someone is looking for a new PC what to look for.
Now can I can build roulette computers faster 
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