for WS-C3850-12S-S-WS from $223.80 Cisco Third Party Maintenance Cisco Third Party Maintenance Cisco Third Party Maintenance Cisco Third Party Maintenance 3PM, TPM or Third Party Maintenance is support from providers other than the original manufacturer. It extends the lifecycle of hardware by prov...
http://www.cisco.com/c/en/us/products/collateral/switches/catalyst-4500-x-series-switches/data_sheet_c78-696791.html Going complete sideways, and down a product line, you could also consider the stackable switches, like: WS-C3850-12S-S (has 12 SFP slots) WS-C3850-24S-S (has 24 SFP ...