Dell EMC SC7020

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Processor

Dual 2.5GHz 8-core Intel® Xeon® processors per controller

Operating System

Product OS
Storage Center 7.1 or higher

Server OS
Microsoft® Windows Server®, Oracle® Solaris, HP®-UX, Oracle Linux, IBM® AIX®, Novell® NetWare, SLES, Apple, HPTru64, VMware®, Citrix® XenServer®, RedHat®

Chassis

Dimensions
Height: 13.33 cm (5.25 inches)
Width: 44.5 cm (17.52 inches)
Depth: 78.5 cm (30.9 inches)
Weight: 24.22 kg (53.4 lb) (maximum configuration), 15.15 kg (33.4 lb) (empty)

Rack support
ReadyRails™ II static rails for tool-less mounting in 4-post racks with square or unthreaded round holes or tooled mounting in 4-post threaded-hole racks

Connectivity

Back-end Connectivity
SAS (6Gb ,12Gb)

NAS deployment connectivity (optional)
Supports file-based storage via FS8600 NAS appliance

Controller

2 controllers per SC7020 array (dual-active controllers)

Drive Controllers

Supported expansion enclosures
Dell SC400: 12 x 3.5″ drive bays, 12Gb SAS
Dell SC420: 24 x 2.5″ drive bays, 12Gb SAS
Dell SC460: 60 x 3.5” drive bays, 12Gb SAS
Dell SC280: 84 x 3.5″ drive bays, 6Gb SAS
Dell SC200: 12 x 3.5” drive bays, 6Gb SAS
Dell SC220: 24 x 2.5” drive bays, 6Gb SAS

Maximum drive count
606 (30 internal, plus 576 external)

Supported drive types
HDD: 15K, 10K, 7.2K RPM; SSD: write-intensive and read-intensive drives in SLC, MLC and TLC formats. Drive types can be mixed in the same system.

Internal drive (back-end)
4 x 12Gb SAS ports per SC7020 array (2 per controller)

Energy Efficiency

ENERGY STAR®
The Dell EMC SC7020 arrays have earned the ENERGY STAR Data Center Storage designation. Click Here to learn more about the ENERGY STAR Storage 1.0 designation.
ENERGY STAR®

Environmental Operating Conditions

Operating temperature: 50 – 95°F (10 – 35°C)
Non-operating temperature: -40 – 149°F (-40 – 65°C)
Operating humidity ranges (non-condensing):10% to 80% with 29°C (84.2°F) maximum dew point
Non-operating humidity (non-condensing): 5% to 95% with 33°C (91°F) maximum dew point
Inlet type: NEMA 5-15/CS22.2, n°42

Memory*

256GB per SC7020 array (128GB per controller)

Management

Management interface
Browser-based (HTML 5):
Unisphere for SC (element manager)
Unisphere Central (multi-array management)
CloudIQ (cloud-based analytics and monitoring)

Client application:
Dell Storage Manager (multi-array, multi-site, cross-platform management)

Federation
Create large multi-array systems under unified management, with seamless workload migration between arrays via included Live Migrate feature. Add like or unlike SC arrays non-disruptively, efficiently utilizing their combined capacity and performance. Volume Advisor monitors federated arrays to suggest optimal data placement and load balancing. Volume movement does not impact snapshots or replication data protection.*

Scripting support
Microsoft PowerShell API, RESTful API

Host OS support
Microsoft® Windows Server®, Oracle® Solaris, HP®-UX, Oracle Linux, IBM® AIX®, Novell® NetWare, SLES, Apple, HPTru64, VMware®, Citrix® XenServer®, RedHat®

Third-party application integration
VMware, Microsoft, IBM, OpenStack™, Symantec™, Commvault®, Foglight™, Docker™

Certifications
VMware Metro Stretch Clusters, VMware SRM, IBM VIOS Recognized

Reporting/alerts
Support assist (phone home), remote diagnostics and performance monitoring, automated alerts, reports and notifications, departmental chargeback

Firmware updates
Online, non-disruptive.* Firmware may be set to download automatically, with option to trigger installation manually if desired.

Product Configurations

Internal Storage
30 x 2.5” Drive Bays

Controllers
2 per SC7020 chassis (active/active)

Operating system
Dell Storage Center 7.1 or greater

Processor
Dual 2.5GHz, 8-core Intel® processors per controller

Maximum system memory
256GB per controller (512GB total per array)*

NAS deployment connectivity (optional)
Supports file-based storage via FS8600 NAS appliance

Ports

Front-end network protocols
FC, iSCSI (supports simultaneous multiprotocol)

Max 32Gb FC ports
24 per array (SFP+)

Max 16Gb FC ports

24 per array (SFP+)

Max 100Gb iSCSI ports

16 QSFP28 per array

Max 25Gb iSCSI ports
16 SFP28 per array

Max 10Gb/1Gb iSCSI ports
32 SFP+ or BaseT ports per array

Back-end expansion protocols
12Gb SAS (auto-negotiates to 6Gb)

Max back-end expansion ports
24 x 12Gb SAS ports per array

Power

Power/wattage: 2 hot-swappable power supplies
Maximum output power: 1485 W
Maximum input power: 1688W
Maximum input current: 8.8 A
Maximum inrush current: 55A for 10 ms or less
Nominal input voltage operating range: 1378W supply option: 100-240 VAC; 1485W supply option: 200-240 VAC
Nominal input frequency: 50/60 Hz
Maximum thermal output/heat dissipation: 1378W option: 5,770 BTU per hour; 1485 option: 5,760 BTU per hour (for all-in-one base appliance, no expansion enclosures)

RAID

Supports RAID 0, 1, 5, 6, RAID 10 and RAID 10 DM (dual mirror). Any combination of RAID levels can exist on a single Storage Center. Multiple RAID levels can exist on the same storage tier within an array.

Scalability

Min/max drives
4/606 per array, more in federated systems*
(30 internal, plus 470 external)

Max raw capacity (SAN)
1PB* per array (SSD or HDD), more in federated systems*

Expansion enclosures
Mix and match from the following options:
Dell SC400: 12 x 3.5″ drive bays, 12Gb SAS
Dell SC420: 24 x 2.5″ drive bays, 12Gb SAS
Dell SC460: 60 x 3.5” drive bays, 12Gb SAS
Dell SC280: 84 x 3.5″ drive bays, 6Gb SAS
Dell SC200: 12 x 3.5” drive bays, 6Gb SAS
Dell SC220: 24 x 2.5” drive bays, 6Gb SAS

Storage

Storage format
Block (SAN)*

Storage media
SAS and NL-SAS drives; different drive types, transfer rates and rotational speeds can be mixed in same system
SSD: Write-intensive, read-intensive (SLC, MLC and TLC formats)
HDD: 15K, 10K, 7.2K RPM

Technical Highlights

Array configurations
All-flash, hybrid or HDD arrays

Auto-tiering method

Policy-based migration based on real-time data usage, customizable 512KB-4MB page size

Auto-tiering structure
Up to 3 primary (media-based) tiers total, up to 2 SSD tiers (write- and read-intensive SSDs)

Tiering customizations
User-defined profiles, option to “pin” volumes to any tier

RAID support
RAID 0, 1, 5, 6, RAID 10, and RAID 10 DM (Dual Mirror); any combination of RAID levels can exist on a single array

RAID tiering
Auto-provisions and dynamically restripes multiple RAID levels on the same tier; no need to pre-allocate RAID groups

Thin provisioning
Active by default on all volumes, operates at full performance across all features

Thin snapshots
Records changes only, snapshots auto-migrate to lower-cost storage

Intelligent deduplication and compression
Selectable option per volume on SSD and/or HDD tiers
Compression-only option also available

Replication
Replicates with other SC Series arrays*
Synchronous/asynchronous for SAN via FC or iSCSI
Target/source relationships may be one-to-many or many-to-one
Supports all SC data services on source and target volumes
Change replication types and topologies on demand
Supports cross-platform replication with PS Series/EqualLogic arrays (either direction)

Federated multi-array systems
Live Migrate (included in base product) enables host-transparent data movement among arrays
Volume Advisor continually monitors federation to suggest optimal data placement based on customizable capacity or performance load balancing policies
Dell Storage Manager provides data center-level viewpoint and control

Coexistence with PS Series arrays
Replication in either direction
Day-to-day management from a single interface
Thin import: space-efficient, non-disruptive data migration from PS Series arrays

Business continuity

Live Volume bi-directional auto-failover, auto-repair
Continuous operations, disaster recovery, disaster avoidance
Includes third-site (tertiary) replication options
Zero RTO/RPO with customizable site failover SLAs per volume
Does not require identical hardware at each site
VMware Metro Stretch Cluster support
VMware Site Recovery Manager

Distributed sparing
No dedicated hot spares required, all drives available for I/O

Application Consistency
Replay Manager: Application-consistent snapshots in Microsoft or VMware environments
AppSync: Application-consistent snapshots in Microsoft, VMware, Oracle environment

Data-at-rest encryption
Self-encrypting drives (SEDs) in SSD or HDD formats
Full Disk Encryption (FCE) based on AES-256
Drives certified to FIPS 140-2 Level 2
Key Management Server (KMS) options available for FIPS 140-2 Level 1, 2 and 3

External key manager support
Gemalto’s SafeNet KeySecure k460, SafeNet KeySecure k250, SafeNet KeySecure k150v
Thales EMS 200

Functional

Max SAN hosts: 500
Max initiator ports: 1000
Max LUN size 500TB
Max number of LUNs: 2000
Max number of snapshots: 16,384
Max IOPS: 1,200,000*
Max IOPS: (with latency less than 1ms) 1,050,000*
Max IOPS (80% reads, 20% writes): 346,000*
Max throughput (reads): 29,000 MB/s*
Max throughput (writes): 14,000 MB/s*

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