These upgrades are Guaranteed for the following Cisco Systems ~ 2610XM, 2611XM, 2620XM, 2621XM, 2650XM, 2651XM, 16MB DRAM MODULE "3rd Party" $20.00 16MB FLASH SIMM "3rd Party" $55.00 32MB DRAM MODULE "3rd Party" $24.00 32MB FLASH SIMM "3rd Party" $90.00 64MB DRAM MODULE "3rd Party" $40.00