I've been curious... Is the ERLITE-3 the only model with a USB drive for it's internal storage? In general it's been my go to base model because it's less storage and offload restricted than the ER-X. I've had concerns about USB drive failure but thus far I haven't had any, at numerous locations. With recent firmwares adding so much more offloading to the ER-X, perhaps it's a safer (more reliable) base model to choose.
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