3
SC7020 Storage System Technical
Specifications
Technical Specifications
The technical specifications of the SC7020 storage systems are displayed in the following tables.
Drives
SAS hard drives
Up to 30 2.5-inch SAS hot-swappable hard drives (12GB SAS)
Storage Controllers
Storage controllers
Up to two hot-swappable storage controllers with one mezzanine card and
three IO slots.
Each storage controller has an internal battery backup unit. Write cache is
mirrored between the two storage controllers. If a power failure occur, the
battery backup unit provides power to the storage controller so that the write
cache can be saved to an SSD within the storage controller.
Storage Connectivity
Configurations
Storage Center supports up to 168 drives in one redundant-path SAS chain.
• An SC7020 supports up to 12 SC400 expansion enclosures or 6 SC420
expansion enclosures.
Redundant Array of Independent Disks (RAID)
Controller
Two hot-swappable storage controllers
Management
RAID management using the Dell Storage Manager Client
Back-Panel Ports Connectors (per Storage Controller)
Fibre Channel, iSCSI, or
SAS connectors
Connection to a Fiber Channel fabric, iSCSI network, and SAS
Ethernet connectors
MGMT
- 100 Mbps, or 1 Gbps embedded Ethernet port used for Storage
Center management
SAS connectors
12GB SAS connectors for additional expansion enclosures
NOTE: SAS connectors are SFF-8086/SFF-8088 compliant.
20
SC7020 Storage System Technical Specifications
