Norco ITX-S4 NAS case (backplane replaced 2016)
Seasonic SS-300M1U 300W modular Flex-ATX power supply (replaced failed Seasonic 250SU in 2016)
Asrock E3C226D2I motherboard
Intel Xeon E3-1230L v3
2x 8 GB Kingston KVR16LE11/8KF 1600MHz DDR3L 1.35v ECC DRAM
Data pool
RAIDZ2 of 3x Western Digital Red WD40EFRX + 1x Red Plus WD40EFZX (originally all WD20EFRX, expanded in 2020)
L2ARC of 1x OWC Mercury Accelsior PCIe SSD with 2x striped 128 GB SandForce SSD sticks (only PCI-E SSD available in 2014)
ZIL of 1x 32GB Intel X-25-E SLC SSD
Boot pool
16 GB Kingston SNS4151S316G M.2 SSD connected via USB3-to-M.2 adapter (replaced numerous failed thumb drives 2018)
Backup method
Critical datasets mounted in custom basejail
Nightly borgbackup of these datasets to
rsync.net
Weekly manual replication to offline USB3.0 pool.
