Qnap

QNAP TS-451D2-4G Tower 4 Bay NAS, Diskless 4x 3.5in SATA HDD Bay, Intel Celeron J4025 2-core 2.0GHz, 4GB SODIMM DDR3 (1/2), 2x GbE, 3x USB-A 3.2g1, HDMI, SSD Cache Support

QNAP TS-431K 4 Bay NAS - Diskless, AL-214 Quad Core 1.7GHz, 1GB DDR3 (1GB Max), 2x GbE RJ45, 3x USB 3.2 Gen1, SSD Cache Support

QNAP TS-231K Tower 2 Bay NAS, Diskless 2x 3.5 SATA HDD Bay, AL-214 4-core 1.7GHz, 1GB DDR3 (Max), 2x GbE, 3x USB 3.2g1, SSD Cache Support

QNAP TR-004 4 Bay USB 3.0 SATA RAID NAS Expansion Enclosure Unit, USB-C

QNAP TS-251D-4G Tower 2 Bay NAS, Diskless 2x 3.5 SATA HDD Bay, Intel Celeron 2-core 2.0GHz, 4GB SODIMM DDR4 (1/2), 1x GbE, 1x PCIe Gen2, 2x USB3.0, 2x USB2.0, HDMI

QNAP TS-231P3-2G Tower 2 Bay NAS, Diskless 2x 3.5 SATA HDD Bay, Alpine AL314 4-core 1.7GHz, 2GB SODIMM DDR3 (1/1), 1x GbE, 1x 2.5GbE, 3x USB-A 3.2g1, SSD Cache Support

QNAP TS-453D-4G Tower 4 Bay NAS, Diskless 4x 3.5 SATA HDD Bay, Intel Celeron J4125 Quad Core 2.0GHz CPU, 1x 4GB RAM (Max 8GB), 2x 2.5GbE, 1x PCIe Gen2 x2, 2x USB 3.1, 3x USB 2.0, 1x HDMI 2.0

QNAP TS-431XeU 4 Bay NAS, AL-314 Quad Core 1.7GHz, 8GB DDR3 SODIMM, 2x Gigabit LAN,1x 10GbE SFP+ Port, 4x USB3, 1U Short Depth Rackmount

QNAP TS-453D-8G Tower 4 Bay NAS, Diskless 4x 3.5 SATA HDD Bay, Intel Celeron J4125 4-core 2.0GHz, 8GB SODIMM DDR4 (2/2), 2x 2.5GbE, 1x PCIe Gen2 x2, 2x USB 3.1, 3x USB 2.0, 1x HDMI 2.0

QNAP TS-431K 4 Bay NAS, 2x WD Red NAS 4TB HDD WD40EFAX (Total 8TB)

QNAP TS-431KX-2G 4 Bay NAS, 2x WD Red NAS 8TB HDD WD80EFAX (Total 16TB)

QNAP TS-431KX2-2G Tower 4 Bay NAS, Diskless 4x 3.5 SATA HDD Bay, AL-214 4-core 1.7GHz, 2GB SODIMM DDR3L (1/1), 2x GbE RJ45, 1x 10GbE SFP+, 3x USB 3.2g1, SSD Cache Support