Must have existing SMA 200, 210, 500V, 400 or 410 product as a trade up to be able to register this SKU. The user quantity of the SMA product must be at least 25% of the total quantity of the CSE trade up (if you have 5 users, you can trade up to 20 users). This SKU cannot be used for renewals or upgrading non-trial products. QUANTITY CAN BE UP to FOUR TIMES EXISTING SMA USER COUNT.