Your search for "qfx10000-30c-m" revealed the following:
Juniper QFX10000-30C-M QFX 10000 Series 30x 100GB QSFP28 MACsec Switch Line Card
SKU: NSH-9971
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper QFX10000-30C-M QFX 10000 30x 100GB QSFP28 MACsec Switch Line Card
SKU: NSN-3770
Condition: New
Shipping: Overnight Options
Warranty: 365 days