SC4020 Storage System Technical
Specifications
Technical Specifications
The following tables describe the technical specifications of an SC4020 storage system.
Table 1. Hard Drives
Drives
SAS hard drives
Up to 24 2.5-inch SAS hot-swappable hard drives (6.0 Gbps)
Table 2. Storage Controllers
Storage Controllers
Configurations
Two hot-swappable storage controllers with the following IO options:
•
Two 16 Gbps Fibre Channel ports
•
Four 8 Gbps Fibre Channel ports
•
Two 10 Gbps iSCSI ports
•
Four 12 Gbps SAS ports
Table 3. Storage Connectivity
Storage Connectivity
Configurations
Supports up to 192 drives in one redundant-path SAS chain
Supports up to 14 SC200 expansion enclosures and up to 7 SC220 expansion enclosures
Table 4. RAID
Redundant Array of Independent Disks (RAID)
Controller
Two hot-swappable storage controllers
Management
RAID management using the Dell Storage Manager Client
Table 5. Back Panel Ports
Back-Panel Ports Connectors (per Storage Controllers)
Fibre Channel, iSCSI, or SAS
connectors
Connection to a Fibre Channel fabric, iSCSI network, or a direct connection to servers with SAS HBAs
Ethernet connectors
MGMT – 1 Gbps or 10 Gbps embedded Ethernet/iSCSI port that is typically used for system
management
REPL – 1 Gbps or 10 Gbps embedded iSCSI port that is typically used for replication to another
Storage Center
SAS connectors
6 Gbps SAS connectors for SAS port redundancy and additional expansion enclosures
NOTE:
SAS connectors are SFF-8086/SFF-8088 compliant
USB Connector
One USB 3.0 connector
NOTE:
For engineering use only
Serial connector
Used for initial configuration and support only functions
3
SC4020 Storage System Technical Specifications
25
