Your search for "a900-ima8s" revealed the following:
Cisco A900-IMA8S ASR 900 Series 8x 1GB SFP Router Interface Card
SKU: NSH-4604
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 125.99
• Only 2 remaining
Call if you need more
Cisco A900-IMA8S1Z 8x 1GB SFP 1x 10GB SFP+ Router Interface Card
SKU: NSH-5737
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 2,875.99
• Only 2 remaining
Call if you need more
NEW Cisco A900-IMA8S ASR 900 8x 1GB SFP Router Interface Card
SKU: NSN-8143
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco A900-IMA8S ASR 900 8x 1GB SFP Router Module
SKU: NSN-2841
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco A900-IMA8S1Z 8x 1GB SFP 1x 10GB SFP+ Router Interface Card
SKU: NSN-4069
Condition: New
Shipping: Overnight Options
Warranty: 365 days