Your search for "16407" revealed the following:
Extreme 16407 X460-24tDC 24x 1GB RJ-45 8x 1GB SFP 2x Module Slot (DC) Switch
SKU: NSB-6035
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Extreme 16407 X460-24tDC 24x 1GB RJ-45 8x 1GB SFP 2x Module Slot (DC) Switch
SKU: NSN-5349
Condition: New
Shipping: Overnight Options
Warranty: 365 days