Your search for "IE-3000-4TC" revealed the following:

NEW Cisco IE-3000-4TC IE 3000 Series 4x FE RJ45 2x 1GB Combo Switch

SKU: NSN-0838
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Cisco IE-3000-4TC-E IE 3000 Series 4x FE 2x 1GB Combo Switch

SKU: NSH-0883
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco IE-3000-4TC-E IE-3000 Series 4x FE 2x 1GB Combo Switch

SKU: NSN-0840
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco IEM-3000-4PC IE 3000 Series 4x FE PoE+ RJ45 Switch Module

SKU: NSN-1747
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco PWR-IE3000-AC IE 3000 Series Power Expansion Module

SKU: NSN-3444
Condition: New
Shipping: Overnight Options
Warranty: 365 days