QNAP TS-464 4-Bay NAS with 4GB RAM and 8TB (4 x 2TB) of Seagate Ironwolf NAS Drives Fully Assembled and Tested By CustomTechSales Rackmount NAS - Newegg.com
TS-464eU-4G QNAP 1U 4-bay short depth 12" rackmount NAS – TechComp USA
QNAP Launches TS-451DeU Short Depth Rackmount 2.5GbE 4-bay NAS for Small-to-Midsize Offices and Audiovisual Rooms | QNAP