Argon40 has gone to Kickstarter with a $127 “Argon Eon” NAS server for the Raspberry Pi 4 equipped with 2x 2.5-inch and 2x 3.5-inch SATA bays for up to 40TB plus a 12V/5A supply, fan, RTC, and OLED display.
Network Attached Storage(NAS) All-In-One Mini-Computer For Raspberry Pi Compute Module 4, Personal Network Storage Server, Optional For CM4 Module, CM4-NAS-Double-Deck-C4A
Build A Raspberry Pi NAS For $35 Using All New Parts
Quad-bay Raspberry Pi NAS starts at $127
Argon EON is a 4-bay NAS with a Raspberry Pi for brains (crowdfunding) - Liliputing
Network Attached Storage (NAS) All-in-One Mini-Computer for Raspberry Pi Compute Module 4 with Personal Network Storage Server (CM4104008 Not Included) @XYGStudy (CM4-NAS-Double-Deck) : Electronics
Argon EON 4-Bay Network Storage Case and RPi 4B Kits
Raspberry Pi - Argon EON - NAS Enclosure for Raspberry Pi 4
Quad-bay Raspberry Pi NAS starts at $127
Quad-bay Raspberry Pi NAS starts at $127
Raspberry Pi - Argon EON - NAS Enclosure for Raspberry Pi 4
Argon Neo Raspberry Pi 4 Case Aluminum Metal Shell Sliding Magnetic Cover Passive Cooling Silicon Heat Sink For Rpi Model 4b - Demo Board Accessories - AliExpress