The B420 M3/M4 series server is a full-width blade server. The B420 M3/M4 series is based on an Intel® Xeon® E5 series processor.

The following are the specifications of the B420 M3/M4 servers:

• Four Intel® Xeon® E5-4600 v3 or v4 for the B420 M4 and v2 for B420 M3
• A maximum of 3 TB total memory capacity with total 48 memory slots
• Two drive bays for SAS/SATA/SSD internal hard drives with an optional 2 GB flash-backed write cache
• Up to 160 GB I/O throughput with supported mezzanine card

B420 M3/M4 is full width blade server and can be best fit for enterprise performance and scalable architecture such as VDI, ERP and CRM applications.