TS-231P3-4G-US QNAP 2 Bay Desktop NAS 1.7GHz Alpine AL314 4-core 4GB
QNAP TS-433-4G-US 4 Bay NAS with Quad-core Processor, 4 GB DDR4 RAM and 2.5GbE Network (Diskless)
TS-453D-4G-US QNAP 4 Bay Desktop NAS 2GHz Intel Celeron J4125 Quad-Core 4GB
QNAP TS-433 4-Bay NAS 4 Core 2.0GHZ 4GB RAM and 16TB (4 x 4TB) of Seagate Ironwolf NAS Drives Fully Assembled and Tested By CustomTechSales - Newegg.com
Synology DS923+ 4-BAY DiskStation with 4GB RAM, 10GbE Adapter, and 40T – Customtechsales
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Synology DS923+ Dual-Core 4-Bay NAS, 4GB RAM, 64TB (4 x 16TB) of Synology Enterprise Drives, and a 10GbE Adapter Fully Assembled and Tested By CustomTechSales - Newegg.com
Synology DS920+ DiskStation 4GB RAM and 8TB (4x2TB) Seagate Ironwolf NAS Drives | eBay
QNAP TS-464 4-Bay NAS Enclosure TS-464-4G-US B&H Photo Video