Thunderbolt Daisy Chain to a DisplayPort Monitor (Dell 2713HM)?

I have a Mac mini (2011) that supports my Dell monitor (2713HM 27'') at its maximum reslution of 2560x1440 only through a Thunderbolt to Mini-Displayport cable. As this Mac has only Thunderbolt as a fast connection for backup drives I have to add a Thunderbolt chain with the backup device in the middle and the Dell monitor at the end of the chain if I want bakcups faster than Firewire 800 or USB 2.0 (the other possible connections with this Mac). My first attempt with such a setup was the LaCie eSATA Hub. But this does not feed the display signals through, the monitor stays black. Checked in the store with a genuin Thunderbolt monitor from Apple the daisy chain worked.
Can my chain work at all? Is only the Lacie the wrong drive hub? Would it work with a Seagate Desktop Hub, for instance STAE122 or STAE 127?
Can I trick the Mac under Bootcamp as OS to use HDMI for the monitor? Dell officially says that the monitor can only accept 1900x1080 over HDMI, but some have fiddled wth different computers with custom settings that worked with some Monitors but mostly under Linux and to Dell 2711.

TechnoMax wrote:
for instance STAE122 or STAE 127?
FWIW, STAE129 is the current version TB adapter
that is self powered and has TB daisy chain port.
STAE122 and STAE127 are older versions and
not the current model, though there may be stock of
these around.  As to whether this will solve your issue,
I don't know.
Can I trick the Mac under Bootcamp as OS to use HDMI for the monitor? Dell officially says that the monitor can only accept 1900x1080 over HDMI, but some have fiddled wth different computers with custom settings that worked with some Monitors but mostly under Linux and to Dell 2711.
The MacMini HDMI port is hardware limited to 1980x1200.

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    TechnoMax wrote:
    for instance STAE122 or STAE 127?
    FWIW, STAE129 is the current version TB adapter
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    STAE122 and STAE127 are older versions and
    not the current model, though there may be stock of
    these around.  As to whether this will solve your issue,
    I don't know.
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    TechnoMax wrote:
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