NAS
NAS
You can find routers that also serve as a basic NAS solution, even at lower price points nowadays.
Connect a computer to a network for sharing. A Raspberry Pi is suggested if speed isn't critical, though it caps speeds around 11MBps.
Direct connection of an HDD to Ethernet isn't possible due to differing operational methods. A middle device is necessary. Various options exist. You might consider Print Servers, typically used for connecting USB printers (usually 2.0) via Ethernet at up to 100MB/s. However, they're seldom suitable for storage as they require FTP, SMB or similar protocols and pose security risks. Another option involves using a router, which often supports USB file sharing but still predominantly uses USB 2.0—USB 3.0 models are rare. The most effective solution seems to be purchasing an affordable NAS or repurposing an old PC, linking the HDD to it. Most NAS systems accommodate external hard drives, even though internal ones are usually favored.
I've used around three routers with USB 3.0 ports, including my current Netgear Nighthawk D7000, which is roughly two to three years old. There are now thousands of devices offering USB 3.0 and USB NAS support... I'm not pushing it, but just noting it's available for the person using it.
It's a viable choice, though I haven't encountered one with USB 3.0 myself. Most routers don't highlight USB 3.0 as a major selling point—they just mention USB support generally. Even the models you mentioned only list USB support on their websites, while the manual notes it but isn't emphasized before buying. I usually review the user manual for new devices to spot extra features, though that's not common. I haven't upgraded my router in about four years, and since I don’t rely heavily on Wi-Fi, the benefit seems minimal. It’s possible USB 3.0 is now standard, but I haven’t seen it (except the one you mentioned) and can’t confirm.