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No you can't. WD made a HD for DIRECTV a few years ago, but they stopped making them. I use to work for DIRECTV, now with AT&T. And both companies/AT&T do not have anything that can hook up externally.
Sorry, there was a problem. Please try again later.I don't believe so. For this you would need some sort of capture card to capture the output of the Sat box. Once captured and recorded you could use the hard drive for storage. So the external hard drive is part of what you would need, just not the only part.
I would recommend:
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