Mac Mini (Late 2012):
OS X Catalina 10.15.7
Intel Core i7 2.3GHz
16GB 1600MHz DDR3 RAM
Intel HD Graphics 1536MB
10/100/1000 NIC
HDD: Fusion Drive (256GB SSD + 1TB HDD)
Misc: FW-800, 4 USB 3.0, 1/8" I/O, WiFi,
BT, SD reader, HDMI, Thunderbolt
Attached: Lacie Fuel 2TB

PowerMac G5 Quad: (15yr old) Spec Pic
OS X Leopard 10.6.8
PPC Dual 2.5GHz Dual Core
3.5GB Ram
Nvidia 6800GT 256MB
Pioneer A06 Dual-Layer DVD±RW/CD-RW
Dual 10/100/1000 Onboard NICs
HDD's: 250GB SATA
Misc: Optical I/O, 2x FW-800, 2x FW-400,
4 USB, 1/8" I/O

Little Joker - Lab Rat (12yr old)
Vista Ultimate (32), 7 Pro (64)
Intel Core 2 Duo E6600 2.4GHz
EVGA 122-CK-NF68-A1
2GB Ram
Nvidia 8800GTX OC 768MB
Pioneer Blu-Ray Burner
Dual 10/100/1000 Onboard NICs
HDD: Depends on usage.
Misc: Optical Out, 1 Firewire, 8 USB

unRAID Server: (2018)
Unraid v6.8.3
Intel Xeon E5-2683-v3 2GHz (14 core)
ASRock x99 WS-E/10G (Details)
64GB 2400MHz DDR4 RAM
Graphics
Dual 10/100/1000 and 10Gb ports
HDD: Seagate Ironwolf 10TB (x2), 4TB (x4); Exos 8TB, Crucial MX500 250GB (x2)
Misc: 8 USB 3.1 Gen1 (2 Front, 4 Rear), 8 USB 2 (4 Front, 4 Rear),1/8" I/O (7.1), Intel i350-T4 NIC, dual SFP+ NIC
Chassis: SilverStone RM208

Backgrounds:
Follow Me             ::     414KB :: 1920x1200
Shinjuku-Ku Park   ::   1.05MB :: 2000x1312
Yukushima Forest  ::   1.67MB :: 2560x1600
Sunlit Mountains    ::   1.48MB :: 1920x1440
Francesca             ::     740KB :: 1440x900
Spiral Plant           ::     987KB :: 1440x900
Black Rock            ::     894KB :: 1920x1280

Back-UPS
APC 2200w

Little Joker v2 (2018, racked)
Windows 10 Pro (64-bit, 1803)
AMD Ryzen 2700x
Asrock Taichi x470
G.Skill Ripjaws V 16GB DDR4 3200MHz
MSI 1660 Super
Pioneer UHD Burner
NIC: 10/100/1000 Onboard, Intel i350-T4
m.2: 250GB 970 Evo
Misc: Optical Out, USB2 x2, USB3 x6, USB3.1 Type-A & C, onboard WiFi & BT,
Intending on virtualizing with Proxmox.

unRAID v2 or ProxMox: Planning!
AMD Epyc 7552P or 7702P
Supermicro H12SSL-(i/CT)
64 or 128GB LRDIMM RAM
Aspeed 2500 (iKVM)
NIC: Dual 1Gb RJ-45
HDD: Depends on use case
Misc: RM43348 or 24-bay 4U

Network:
Router: AS-5019D-FTN4, pfSense
Switch: MikroTik CRS354-48P-4S+2Q+RM
Indoor AP: Linksys WRT-1900AC, AC-AP-LR
D-Link Gb switch being used as a repeater. Two UNBT NanoStation 2 units are being used to share internet.
HP 2920-24G (J9726A): Misc use

Displays:
Asus VC239H - Mini i7
NEC MultiSync 20WMGX2 - where needed
LG Flatron Slim L1780Q - where needed

ProxMox Test
ProxMox v6.3
Intel Core i7-2700k
Gigabyte GA-P67A-UD5-B3
16GB DDR4 RAM
Zotac 710 GT 1GB
NIC: 1Gb onboard, Intel i340-T4 (knock-off)
Storage: 128GB SanDisk SSD, 3x 1TB drives (Hitachi & WD are unreliable, Samsung SpinPoint F1 is great)
Misc: Lots of I/O, random optical drive.