New features in VMware 5.5

The're some neat features here in VMware version 5.5

A real video about the new features: Watch me

It's also supported to cluster the SQL server that's containing your vCenter database.

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

Source: Click me