Can i hook up usb seagate 4tb to usb port and use it, without an internal hard-drive? (i don't want to buy internal hard drive). thanks for replies

Why would you do such a thing?.... If you don't intend to use it what's it made for then don't buy it. You can plug your hard drive to your router's usb port if you have one and use it at network drive but with very limited options.

Is there a limit to the size of hard drive that can be used

This Bundle comes with 4 x 4TB Drive but the NAS supports upto 22TB Drives on each bay.

can this work as a media server like my twonky shows on my network 4k disk player menu?

Yes QNAP has DLNA Server built in to the NAS. Please install below Apps from App Center to enable DLNA, Multimedia Console Media Streaming Add-on

Has anyone used this as a replication target from another QNAP?

Yes this can be used as a Replication Target any another QNAP. You can do Real-Time Sync of your Data from another QNAP or Schedule a Replication Job from another QNAP.

Brand	QNAP
Product Dimensions	15.75 x 15.75 x 18.8 cm; 1.26 kg
Item model number	TS-133-US
Manufacturer	QNAP
Color	Black
Form Factor	ATX
RAM Size	2 GB
Computer Memory Type	DDR4 SDRAM
Hard Disk Description	Mechanical Hard Disk
Hardware Platform	Mac
Are Batteries Included	No
Item Weight	1.26 Kilograms

QNAP TS-133-US 1 Bay Affordable Desktop NAS with ARM Cortex-A55 Quad-core Processor and 2 GB DDR4 RAM (Diskless)

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Common Questions