Your search for "MLX-10Gx8" revealed the following:
NEW Extreme Brocade NI-MLX-10Gx8-M MLX Series 8x 10GB SFP+ Router Module
SKU: NSN-7900
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 212.99
• 8 in stock
Call if you need more
Extreme Brocade BR-MLX-10Gx8-X MLX Series 8x 10GB SFP+ Router Module
SKU: NSH-6991
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days