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The 137 GB Limit

Looks like everyone wants a super-sized upgrade these days. 120 GB just won’t do. We’ve been getting lots and lots of email about the old 137 GB barrier, which no longer applies to any newer unit. So if your unit has a USB port, even it if can’t use the USB port, you can use drives as large as anything out there.

Here’s the deal: Most TiVos originally shipped with a version of the Linux kernel that could only read up to 137 GB off of any piece of fixed media. So the max storage space was limited to 137 GB per device, two devices per unit. That’s why the largest drives we sell for many units are 160 GB – they’re the next largest size above the barrier, so they’re the smallest that gives the largest space. That is to say, you could put two 250 GB drives in the older units, but you wouldn’t gain any more space than you would with 160s.

But at the end of last summer, all of the units with USB ports that couldn’t previously see more than 137 GB of space received OS updates. The updates include a newer kernel, and now those units can see the space on any drive. The largest we currently sell are 400 GB drives, but 500s are coming soon.

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