Updating Server Need Help Choosing MB CPU RAM To Play 4K

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Time to upgrade my server I built more than five years ago off the Pimp Your Rig thread. Ran like a dream up until recently when I started wanting to watch 4K streams and while it does play the MB beeps constantly and CPU load is at 100% on cpu 0/2 & cpu 1/3. It stops beeping and load goes back to 1% as soon as I stop video.

 

Below is the setup I have running Unraid v 6.5.3:
MB: SUPERMICRO MBD-X9SCM-F-O LGA 1155 Intel C204 Micro ATX Intel Xeon E3 Server Motherboard
CPU: Intel Core i3-2100 Sandy Bridge 3.1GHz LGA 1155 65W Dual-Core Desktop Processor Intel HD Graphics 2000 BX80623I32100
RAM: Kingston 8GB (2 x 4GB) 240-Pin DDR3 SDRAM ECC Unbuffered DDR3 1333 (PC3 10600) Server Memory Model KVR1333D3E9SK2/8G
CABLE: 2 x NORCO C-SFF8087-4S Discrete to SFF-8087 (Reverse breakout) Cable - OEM
CABLE: 4 x 1m 30AWG Internal Mini SAS 36pin (SFF-8087) Male to Mini SAS 36pin (SFF-8087) Male Cable - Black
FANS: 2 x ARCTIC F8 Pro PWM Fluid Dynamic Bearing Case Fan, 80mm PWM Speed Control, 33CFM at 22dBA
FANS: 2 x Nexus PWM Series D12SL-12PWM 120mm Case cooler
CONTROLLER: SATA2 Serial ATA II PCI-Express RAID Controller Card (Silicon Image SIL3132)
CONTROLLER: 2 x Supermicro AOC-SASLP-MV8 8-Port SAS/SATA Add-on Card
CASE: RPC-4224 4U Rackmount Server Case with 24 Hot-Swappable SATA/SAS Drive Bays, MiniSAS Connector
CASE BRACKET: 120mm fan wall bracket for RPC-4224, RPC-4220, RPC-4216, RPC-4116, RPC-4020, RPC-4164

 

I also added psu, usb (unraid), ssd (cache) and 24 hard drives (1 parity & 23 storage).

 

One thing I did have a Plex Pass (expired now) and I cannot recall this happening. It wouldn't be that causing the issue?

If not plex pass then I gather I need to update mb, cpu and ram. Something to play 4K streams (atleast 1 and 2 streams of 1080p at once) definitely and depending on budget maybe something that can play games as well. Any help is really appreciated.
 

[JonathanM]

Before going through the full CPU generational update, I think I might gamble on just a CPU upgrade and see what that got you. Your current CPU is a 3683 passmark with 2 cores, you can spend ~$100USD for an e3-1230v2 with 8854 passmark and 4 cores.

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59 minutes ago, jonathanm said:

Before going through the full CPU generational update, I think I might gamble on just a CPU upgrade and see what that got you. Your current CPU is a 3683 passmark with 2 cores, you can spend ~$100USD for an e3-1230v2 with 8854 passmark and 4 cores.

 

Sounds like a plan. Have pulled the trigger and ordered one. Shipping is like 2-3 weeks to Aus. Will let you know how I get on.

[pwm]

7 hours ago, jonathanm said:

Before going through the full CPU generational update, I think I might gamble on just a CPU upgrade and see what that got you. Your current CPU is a 3683 passmark with 2 cores, you can spend ~$100USD for an e3-1230v2 with 8854 passmark and 4 cores.

 

Life-time extensions of existing hardware also means the option of having a decent backup machine when it gets time to buy a completely new rig.