Parts

8x 3.5-inch bays, mini-ITX support, SFX PSU, tight cooler clearance

ATX and micro-ATX support, ATX PSU support, long GPU clearance

12x 3.5-inch bays, low-profile expansion, rails recommended

LGA1700, DDR4 ECC, 2x M.2, dual 10GbE

AM4, DDR4 ECC, 2x M.2, IPMI, dual Intel NICs

LGA1700, DDR5 ECC, 3x PCIe slots, IPMI

14 cores total, strong media support, modest power draw

8 cores, low cost, good efficiency for AM4 builds

6 cores, ECC support, lower power envelope

70mm class height, broad socket support

158mm class cooling for higher sustained workloads

2U-friendly height and focused airflow

DDR4 ECC, two modules, good starter point

DDR4 ECC, larger capacity, fills four slots

DDR5 ECC, high density, two modules

750W, SFX, efficient enough for dense mini-ITX builds

850W, ATX, solid fit for rack towers

1000W, ATX, useful if the build grows heavy on PCIe cards

M.2 boot drive for Proxmox, TrueNAS, or Ubuntu

M.2 drive with enough room for more than just the OS

2.5-inch SSD for platforms short on M.2 slots

3.5-inch HDD for capacity-oriented storage

3.5-inch HDD for modest storage pools

2.5-inch SSD for warm data and lighter pools