Your search for "Juniper MX204" revealed the following:

Juniper MX2000-SFB-BB MX Series Switch Fabric Board Router Module

SKU: NSH-6722
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper RE-S-X6-64G-LT-S MX Series 6 Core 2.0GHz CPU with 64GB Router Memory

SKU: NSN-6999
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper MIC-3D-20GE-SFP-E MX Series 20x 1GB SFP (E) Router Module

SKU: NSN-0285
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper RE-S-X6-64G-LT-S MX Series Routing Engine w/ 6 Core 2.0GHz CPU

SKU: NSB-5776
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper MX80-T-AC MX Series 4x 10GB XFP 3x MIC Router Chassis

SKU: NSN-2306
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper RE-S-X6-128G-S-S MX Series 6 Core 2.0 GHz CPU 128GB spare Router Memory

SKU: NSB-5780
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper MPC7EQ-10G-IRB MX2000 40x 10GB SFP+ Router Line Card

SKU: NSN-4757
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper SCBE2-MX-BB MX Series Enhanced Switch Control Board

SKU: NSH-5701
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Juniper RE-S-1800X4-32G-BB MX Series Quad Core 1.8GHz CPU 32GB Base Bundle

SKU: NSB-5794
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper MX2K-MPC6E MX Series 5G Universal Routing Platform Interface Module

SKU: NSN-9325
Condition: New
Shipping: Overnight Options
Warranty: 365 days