channel QNAP TS-431XeU-8G NAS 4 HDD trays, 10 GbE SFP+, rackmount, 1 PSU. ARM 4-core Cortex-A15 Annapurna Labs AL-314 1,7 GHz, 8 GB. W/o rail kit RAIL-B02

SMB QNAP TS-432PXU-2G 4-Bay quad-core AL324 64-bit 1.7 GHz rackmount NAS with 250W PSU, 2GB DDR4 UDIMM RAM (max 1x16GB), SATA 6Gb/s, 2x 10GbE SFP+ LAN, 2x2.5 GbE LAN, 1x PCIe Gen2 x2 slot. W/o RAIL-B02