New conversion options for IBM® DS8870 offer greater choices in price and performance, including field model conversions from DS8800 to DS8870 P7+.
The field model conversion from DS8800 to DS8870 P7+ is available for existing customers. This support is in addition to the previously announced DS8800 P6 to DS8870 P7 model conversion.
For details, refer to the Feature conversions section.
Planned Availability : 6. March 2014
See more details here