Your search for "N5K-C5596" revealed the following:
NEW Cisco N5K-C5596UP-FA 48x 10GB SFP+ (Unified) 3x Mod Slot B-F Airflow Switch
SKU: NSN-2727
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 1,219.99
• Only 1 remaining
Call if you need more
Cisco N5K-C5596T-FA 32x 10GB Copper 16x 10GB SFP+ 3x Mod Slot B-F Airflow Switch
SKU: NSB-7108
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 1,589.99
• Only 1 remaining
Call if you need more
Cisco N5K-C5596T-FA 32x 10GB Copper 16x 10GB SFP+ 3x Mod Slot F-B Airflow Switch
SKU: NSH-2734
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days