Owners Manual

SC4020 Storage System Technical

Specifications

Technical Specifications

The technical specifications of the SC4020 storage system are displayed in the following tables.

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

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