Promise Technology SMARTSTOR NS4300N - Manual (Page 203)

Chapter 9: Support
193
You are responsible for the cost of insurance and shipment of the product to
Promise. Note that damage incurred due to improper transport or packaging is
not covered under the Limited Warranty.
When repairing returned product(s), Promise may replace defective parts with
new or reconditioned parts, or replace the entire unit with a new or reconditioned
unit. In the event of a replacement, the replacement unit will be under warranty
for the remainder of the original warranty term from purchase date, or 30 days,
whichever is longer.
Promise will pay for standard return shipping charges only. You will be required
to pay for any additional shipping options (such as express shipping).