MEM2600XM-64D= 64MB 100 pin DRAM memory for Cisco Router 2610XM 2611XM 2620XM 
2621XM 2650XM 2651XM
Genuine Cisco in sealed box
Warranty: Lifetime
Support: Email us through eBay or call us Toll Free at 1-800-634-4719.
Payments: We prefer Paypal. If you wish to pay by credit card please call us Toll Free at 1-800-634-4719.
Memory expert since 1990. All parts are tested and guaranteed compatible.
No hassle exchanges. Brand name parts only-No unknown and overclocked parts. 
Quick shipping.