I’ve collated a list of resources that comes handy when we do Capacity Planning and Sizing for SharePoint Server 2013. The list of resources are below :-
1.Hardware and software requirements for SharePoint 2013
http://technet.microsoft.com/en-us/library/cc262485.aspx
2. Enterprise scale farms for SharePoint Server 2013
http://www.microsoft.com/en-us/download/details.aspx?id=35569
3. Streamlined topologies for SharePoint Server 2013
http://www.microsoft.com/en-us/download/details.aspx?id=37000
4. Traditional topologies for SharePoint Server 2013
http://www.microsoft.com/en-us/download/details.aspx?id=30377
5.Plan and use the Distributed Cache Service in SharePoint Server 2013
http://www.microsoft.com/en-us/download/details.aspx?id=35557
6.Plan for feeds and the Distributed Cache Service in SharePoint Server 2013
http://technet.microsoft.com/en-in/library/jj219572.aspx
7.Enterprise Search architectures for SharePoint Server 2013
http://www.microsoft.com/en-us/download/details.aspx?id=30383
8.Internet sites search architectures for SharePoint Server 2013
http://www.microsoft.com/en-us/download/details.aspx?id=30464
9.Scale search for performance and availability in SharePoint Server 2013
http://technet.microsoft.com/en-us/library/jj219628.aspx
10.Capacity Planning, Sizing and High Availability for Search in SPC172
http://social.technet.microsoft.com/wiki/contents/articles/16002.sharepoint-2013-capacity-planning-sizing-and-high-availability-for-search-in-spc172.aspx
11.Configuring a highly available workflow in workflow manager
http://technet.microsoft.com/en-us/library/jj193534
12.Use best practice for configurations for the SharePoint 2013 virtual machines and Hyper-V environment
http://technet.microsoft.com/en-us/library/ff621103.aspx
13.Plan Office Web Apps Server
http://technet.microsoft.com/en-us/library/jj219435.aspx
14.Estimate performance and capacity requirements for enterprise intranet collaboration environments (SharePoint Server 2013)
http://technet.microsoft.com/en-in/library/ff758657.aspx
15.Estimate capacity and performance for Web Content Management (SharePoint Server 2013)
http://technet.microsoft.com/en-us/library/d819b0d0-aa83-4e40-82d8-7a32195cc669(v=office.15).aspx
16.Estimate capacity and performance for Managed Metadata Service
http://technet.microsoft.com/en-in/library/gg681889.aspx
17.Estimate capacity and performance for video content management in SharePoint Server 2013
http://technet.microsoft.com/en-us/library/dn169054.aspx
18.Estimate capacity and performance for compliance and eDiscovery for SharePoint Server 2013
http://technet.microsoft.com/en-us/library/dn169053.aspx