Your search for "slx-9030-48s" revealed the following:
Extreme EN-SLX-9030-48T-4C 48x 10GB Copper 4x 100GB QSFP28 No Fans No PSU Switch
SKU: NSH-8542
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 764.99
• Only 2 remaining
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NEW Extreme EN-SLX-9030-48S-4C 48x 10G SFP+ 4x 100G QSFP28 No Fans No PSU Switch
SKU: NSN-5026
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Extreme EN-SLX-9030-48S-4C-AC-F 48x 10G SFP+ 4x 100G QSFP28 F-B Airflow Switch
SKU: NSH-8596
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days