What’s new in VMware vSphere 5.5

itonus can help you plan your move to VMware vSphere 5.5, taking advantage of the latest enhancements.

Highlights are below:-

• vSphere ESXi Hypervisor Enhancements
–Hot-Pluggable SSD PCI Express (PCIe) Devices
–Support for Reliable Memory Technology
–Enhancements for CPU C-States
• Virtual Machine Enhancements
–Virtual Machine Compatibility with VMware ESXi™ 5.5
–Expanded vGPU Support
–Graphic Acceleration for Linux Guests
• VMware vCenter Server Enhancements
–VMware® vCenter™ Single Sign-On
–VMware vSphere Web Client
–VMware vCenter Server Appliance™
–vSphere App HA
–vSphere HA and VMware vSphere Distributed Resource Scheduler™ (vSphere DRS)
Virtual Machine–Virtual Machine Affinity Rules Enhancements
–vSphere Big Data Extensions
• vSphere Storage Enhancements
–Support for 62TB VMDK
–MSCS Updates
–vSphere 5.1 Feature Updates
–16GB E2E support
–PDL AutoRemove
–vSphere Replication Interoperability
–vSphere Replication Multi-Point-in-Time Snapshot Retention
–vSphere Flash Read Cache
• vSphere Networking Enhancements
–Link Aggregation Control Protocol Enhancements
–Traffic Filtering
–Quality of Service Tagging
–SR-IOV Enhancements
–Enhanced Host-Level Packet Capture
–40GB NIC support

http://www.vmware.com/files/pdf/vsphere/VMware-vSphere-Platform-Whats-New.pdf