Your search for "17701 X770" revealed the following:
Extreme 17701 X770-32q-FB-AC 32x 40GB QSFP+ Front-to-Back Airflow Switch
SKU: NSB-3279
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 809.99
• 9 in stock
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NEW Extreme 17701 X770-32q-FB-AC 32x 40 Gigabit QSFP+ F-B Air Switch
SKU: NSN-3820
Condition: New
Shipping: Overnight Options
Warranty: 365 days
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 17702 X770-32q-BF-AC 32x 40G QSFP+ B-F Airflow Switch
SKU: NSN-3821
Condition: New
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