Your search for "17705 x770" revealed the following:

Extreme 17705 Summit Extreme 17705 X770 32x 40GB QSFP+ F-B Air AC/DC Switch

SKU: NSB-4637
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Extreme 17705 Summit X770 32x 40GB QSFP+ F-B Airflow Switch

SKU: NSN-3824
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Extreme 17702 ExtremeSwitching X770 X770-32q-BF-AC 32x 40GB QSFP+ B-F Air Switch

SKU: NSB-4634
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days