Which architectural enhances memory performance and increases productivity in the HP Z420
Workstation?

A.
Four-Channel Memory architecture

B.
Intel Turbo Boost 2.0

C.
PCI Express Gen 3 Technology

D.
Memory RAID feature

Explanation:
Reference:http://www.hp.com/unitedstates/campaigns/workstations/images/datasheet_z420.pdf(page 1, Build It Your Way)