The Bell 6131 is a HD satellite receiver that gains PVR functionality by attaching a compatible external hard drive (EHD) via USB 2.0 with its own power supply
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Bell states the HDD requirement as a 7200 RPM drive, USB 2.0, 50 GB–2 TB capacity, an AC power adapter, and no sleep mode
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Setup is straightforward: plug in the drive, agree to format when prompted, wait ~20 minutes, and the box reboots ready to record .