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SC7020 Series Storage System Technical
Specifications
This appendix contains the technical specifications for the SC7020 series storage system.

Technical Specifications

The technical specifications of the SC7020 series storage systems are displayed in the following tables.
Drives
SC7020: SAS hard drives
SC7020F: SAS SSDs
Storage Controllers
Storage controllers
Storage Connectivity
Configurations
Redundant Array of Independent Disks (RAID)
Controller
Management
Back-Panel Ports Connectors (per Storage Controller)
Fibre Channel or iSCSI front-end connectors
Ethernet connectors
SAS back-end connectors
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SC7020 Series Storage System Technical Specifications

Up to 30 2.5-in. SAS hot-swappable hard drives (12 Gb SAS)
Up to 30 2.5-in. SAS hot-swappable SSDs (12 Gb SAS)
Two hot-swappable storage controllers with one mezzanine card and three I/O
card slots per storage controller.
Each storage controller has an internal battery backup unit. Write cache is
mirrored between the two storage controllers. If a power failure occurs, 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.
SC7020: Supports a total of 500 drives and 192 drives per SAS chain. Each SAS
chain supports up to sixteen SC400 expansion enclosures, eight SC420
expansion enclosures, three SC460 expansion enclosures, and two SC280
expansion enclosures.
SC7020F: Supports a total of 500 SSDs and up to 192 SSDs per SAS chain. Each
SAS chain supports up to eight SC420F expansion enclosure.
Two hot-swappable storage controllers
RAID management using the Storage Manager
Connection to a Fiber Channel fabric or iSCSI network
MGMT – 1 Gbps or 10 Gbps embedded Ethernet port used for Storage Center
management
12 Gb SAS ports for connections to expansion enclosures
NOTE: SAS connectors are SFF-8644 compliant.
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