Your search for "br-slx-9140-48v-ac-r" revealed the following:
Extreme Brocade BR-SLX-9140-48V-AC-R 48x 25 SFP28 6x 100G QSFP28 B-F Air Switch
SKU: NSB-4669
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 587.99
• Only 1 remaining
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NEW Extreme Brocade BR-SLX-9140-48V-AC-R 48x 25 SFP28 6x QSFP28 B-F Air Switch
SKU: NSN-4589
Condition: New
Shipping: Overnight Options
Warranty: 365 days