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 Desktop NAS - Newegg.com
TS-932PX-4G-US - TS-932PX 5 (+4) Bay 64-bit NAS with Hardware Encryption, Quad Core 1.7GHz, 4GB RAM, 2 x 10GbE(SFP+) LAN ,2 x 2. - SMB - iComTech
QNAP TS-453Be-4G-US 4-Bay Quad-core multimedia NAS - 4GB RAM
QNAP TS-653D-4G NAS Server Storage System | AVADirect
TS-453Be-4G-US QNAP | 4 bay NAS Network Attached Storage | Unisol
Embedded Works - QNAP TVS-473e-4G-US NAS, data storage, QNAP, file storage, file sharing, 1080p, secure private cloud, HDMI, SOHO, IEI, Network-attached storage | Embedded Works
parts-quick 4GB Memory for QNAP HS-453DX NAS Server DDR4 2400MHz Compatible RAM Module SO-DIMM at Amazon.com
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Amazon.com: QNAP TS-433-4G-US 4 Bay NAS with Quad-core Processor, 4 GB DDR4 RAM and 2.5GbE Network (Diskless) : Electronics