The RFS-4010 ZUS SKU is the same as the -WR, except for the way we bundle and ship the product with power supply.
The following is the background from the product manager concerning this topic:
- RFS-4010-00010-WR was the original SKU (that ships with external power supply unit).
- Due to Level-VI certification requirement, we created a new part number RFS-4010-00010-ZUS; the supplier is to ship without the power supply under a new p/n, RFS-4010-00010-Z and the Extreme Networks DC team adds the PSU (from existing inventory, Level-V PSUs) and ships RFS-4010-00010-ZUS to customers.
- When the Level V supplies are exhausted in the DC, the supplier will start shipping with the Level VI supply, and we will flip it back to RFS-4010-00010-WR SKU in the price list.