"Finalized" my hardware config for Proxmox for testing of games.
The 5950x machine will be pretty left alone as far as hardware changes.
The i7 parts can be swapped out for older OS compatibility if needed but likely not.
PROXMOX TEST 2000/XP/Vista/7/8/10/11/Linux
CPU: Ryzen 9 5950x
CPU Cooler: Corsair iCUE H150i w/ 3x Noctua NF-A12x25 PWM chromax
Motherboard: MSI Meg X570 Unify
NIC: Intel Ethernet Converged Network Adapter X550-T2 (10GB)
Memory: G.Skill 32GB DDR4 PC4-28800 3600MHz Ripjaws V for Intel CL16 (16-19-19-39) Dual Channel kit (2x16GB)
GPU: 8800GT 512MB (2000 Vanilla)
EGPU: Zotac Geforce GTX 980 Ti 6GB AMP! Extreme GDDR5 ZT-90507-10B PCIe (Windows XP,Vista)
EGPU: GIGABYTE Gaming OC GeForce RTX 3080 10GB GDDR6X PCI Express 4.0 ATX Video Card GV-N3080GAMING OC-10GD (rev. 2.0) (7+)
Video card: EGPV-1101-C1 M.2 (Proxmox Console)
Audio: Realtek® ALC1220 (Vista+)
Audio: Creative Sound Blaster Audigy PCIe RX 7.1 (2000/XP)
Monitor 1: Acer XB271HU 27" 2560x1440 "Acer Predator XB1"
DVD: Blu-ray LG WH16NS60
SSD: Seagate FireCuda 530 1TB
SSD: Seagate FireCuda 530 4TB
PSU: CORSAIR RMx Series, RM1000x, 1000 Watt, 80+ Gold Certified, Fully Modular Power Supply
Case: Corsair 600C Black ATX Full Tower Computer Case w/ 3x Noctua NF-A14 PWM chromax
EGPU 980TI
Cable: ONE XPLAYER OCuLink Cable for OneXGPU eGPU, SFF8611, 3.3ft Long, PCIe 4.0 x4
Adapter: NFHK 4X Oculink SFF-8612 SFF-8611 to PCIE PCI-Express 16x Adapter with ATX 24pin
Case: Fractal Design Ridge Black - PCIe 4.0 Riser Card Included - 2X 140mm PWM Aspect Fans Included - Type C USB - m-ITX
PSU: Corsair SF Series, SF750, 750 Watt, SFX, 80+ Platinum Certified, Fully Modular Power Supply (CP-9020186-NA)
Occulink card: PCIe x4 Gen4 with ReDriver to OCulink 4i Host Bus Adapter
EGPU 3080
Cable: ONE XPLAYER OCuLink Cable for OneXGPU eGPU, SFF8611, 3.3ft Long, PCIe 4.0 x4
Adapter: NFHK 4X Oculink SFF-8612 SFF-8611 to PCIE PCI-Express 16x Adapter with ATX 24pin
Case: Fractal Design Ridge Black - PCIe 4.0 Riser Card Included - 2X 140mm PWM Aspect Fans Included - Type C USB - m-ITX
PSU: SilverStone SX1000 1000W SFX-L:
Occulink card: PCIe x4 Gen4 with ReDriver to OCulink 4i Host Bus Adapter
PROXMOX Test DOS\9x (VESA)/NT4 (VESA)/2000 (XP+ Backup)
Processor: Intel Core i7 6700k
CPU Cooler: Noctua NH-U9S w/2 Noctua A9 92mm fans
Motherboard: ASUS PRIME Z270-A
Memory: Patriot Viper 4 32GB (4 x 8GB)
NIC: Intel X540-T1 10GB
SSD: Seagate Firecuda 530 1TB (Proxmox)
SSD: Seagate Firecuda 530 2TB (Proxmox VMs)
PSU: Corsair RM850x
Audio: Creative Sound Blaster Audigy PCIe RX 7.1 (9x/2000/XP)
Monitor: Dell Ultrasharp U2410F 24" 1920x1200
GPU : Geforce GTX 780 (2000 BWC/XP+)
GPU: Geforce FX 5200 128mb (9x-NT) (2k-xp for games that need it)
Case: CoolerMaster ATC-110 w/ 4x Noctua NF-A8 PWM fans
Amebay 5.25 Inch Front Panel USB Hub 2port 3.0, USB 2.0 for Computer Case
DVD: Blu-ray LG UH12LS28