Your search for "switches" revealed the following:

Cisco Meraki MA-QSFP-40G-LR4 40GB BASE-LR4 1310nm SMF Transceiver QSFP

SKU: NSB-0838
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Cisco ASR-920-4SZ-A 2x 1GB RJ45 4x 10GB SFP+ AC Router Metro Access Version

SKU: NSH-5771
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco N5K-C5020P-BF 40x 10GB SFP+ 2x Expansion Module Slots Switch Chassis

SKU: NSN-3283
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Arista CAB-D-D-400G-1M 400G QSFP-DD to QSFP-DD 1m Twinax Copper Cable

SKU: NSB-5213
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco SFP-10G-T-S 10GB BASE-T Optical SFP+ Transceiver

SKU: NSN-5454
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW APC AP8961 Switched Rack 200-208V 20A 21x C13 3x C19 ZeroU PDU

SKU: NSN-3000
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco A900-IMA8D ASR 900 8x RJ48C T1/E1 Router Interface Card

SKU: NSN-8140
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Extreme 10530 10m 25GB SFP28 Active Optical Copper Cable

SKU: NSN-4005
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW HPE JH693A 0.65m 10GB SFP+ Direct Attach Copper Cable

SKU: NSN-9065
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Extreme 10319 40GB BASE-SR4 850nm MPO MMF QSFP+ Transceiver

SKU: NSN-5558
Condition: New
Shipping: Overnight Options
Warranty: 365 days