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Dell Storage SC4020 all-in-one array

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More performance, less investment.

Provide all-flash or hybrid storage at an exceptional value, and support up to 10,000 MS-Exchange mailboxes in just 2U of rack space.*

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Product Configurations

  • Internal Storage
    24 x 2.5” drive bays

    Supported expansion enclosures
    Dell SC200: 12 x 3.5” drive bays
    Dell SC220: 24 x 2.5” drive bays

    Maximum drive count
    120 (24 internal, plus 96 external)

    Total storage capacity
    408TB based on maximum number of drives (120) and current largest capacity supported drives

    Supported drive types
    HDD: 15K, 10K, 7.2K RPM; SDD: write-intensive SLC, read-intensive MLC (different drive types, transfer rates and rotational speeds can be mixed in the same system

    Controllers
    2 controllers per SC4020 array

    Processor

    Intel® Xeon® Processor E3-1265L v2, 2.50GHz, 4 cores

    Memory
    32GB per SC4020 array (16GB per controller)

    Network/server connectivity (front-end)
    8 x 8Gb FC ports per SC4020 array (4 per controller)

    Internal drive connectivity (back-end)
    4 x 6Gb SAS ports per SC4020 array (2 per controller)

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

Technical Highlights

  • Product OS
    Storage Center 6.5

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

    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.

Management

  • Enterprise Manager (included, server-installable), Storage Center Manager (included, on-board browser-based), Enterprise Manager Chargeback, Replay Manager, vCenter Operations Manager plug-in, command-line interface

Power

  • Power/wattage: 2 hot-swappable 580W power supplies; 580W maximum power
    Heat dissipation: 1,978 BTU/hr maximum
    Voltage: 100-240 VAC
    Frequency: 50/60 Hz
    Amperage: 7.6-3.0 A

Chassis

  • Rack size: 2U
    Height: 8.79 cm (3.46 inches)
    Width: 48.2 cm (18.98 inches)
    Depth: 54.68 cm (21.53 inches)
    Weight at maximum configuration: 24 kg (53 lb)
    Weight empty: 7 kg (15.4 lb)

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

High performance that fits your budget, including all-flash

To compete with big business, you need efficient, real-time data access to quickly turn customer interactions into transactions and information into insights. The Dell Storage SC4020 puts the high IOPs and low latency your applications demand within reach.
Dell Compellent SC4020 - Extending the benefits of enterprise storage to small- and mid-size deployments
Consider these top features:
  • Auto-tuned for maximum performance and cost-savings based on real-time usage information
  • FLASH-optimized for affordable all-flash or hybrid SSD/HDD deployments
  • Fibre Channel or iSCSI SAN support included, with high-performance scale-out NAS option
  • Perpetual software licensing for low lifecycle costs
  • Award-winning Copilot Support
Dell Compellent SC4020 - World-class intelligence

Enterprise storage features right from the start.

Ideal for stand-alone SANs or departmental/branch office deployments, the SC4020 is based on our larger enterprise-class storage solution, SC8000. Designed to support distributed large-scale growth, the overall Dell Storage SC Series portfolio ensures that as your organization grows, so will your ability to store, manage and gain insights from your data.
  • Fully virtualized array eliminates need to pre-allocate RAID groups, increases overall flexibility
  • Automated tiering among all drive types, including HDDs and read- and write-intensive SSDs
  • Space-efficient snapshots, remote synchronous/asynchronous replication, Fast Track disk optimization
  • Comprehensive management tools, including full integration and replication with SC8000

Industry-leading TCO saves more than data

Dual controllers, 24 internal drive slots and high performance Fibre Channel or iSCSI network ports come standard in a space-saving 2U chassis. This compact footprint helps to lower data center energy costs while the automated and intelligent data placement architecture reduces lifecycle hardware costs.
Dell Compellent SC4020 - Unprecedented value
  • Buy fewer and less expensive disks
  • Expand easily to 120 drives using standard Dell Storage enclosures
  • Enables flash solutions for the price of hard drive solutions
  • Data Progression, Dynamic Capacity (thin provisioning), Enterprise Manager and Data Instant Replay (snapshots)
Award-winning Copilot Services

Award-winning Copilot Services

Combining centralized support, product education and sales resources, Dell Copilot Services includes 24x7 active system monitoring to help improve performance and stability.

* Based on Microsoft Exchange JetStress 2013 testing of 24 x 900GB 10K RPM drive SC4020 configuration in February 2014 in Dell Labs. Actual results will vary.
The SC4020 supports all-flash arrays (AFAs), hybrid arrays, or traditional spinning disk solutions. Flexible and scalable, SC4020 lets you start in one configuration, then evolve to another as your needs change.
Dell Storage SC4020 - Entry level all-flash arrays

Entry level all-flash arrays

Starting as low as $25,000 advertised street price, the SC4020 single-tier all-flash array (AFA) is the industry's most affordable all-flash solution*. Now you can accelerate workloads today—well beyond the capabilities of spinning disk—and keep your options open to add a tier of higher performing write-intensive SSDs or high-capacity HDDs as your business grows.
Dell Storage SC4020 all-in-one array - Flash-Optimized All-Flash Arrays

Flash-Optimized All-Flash Arrays

Dell’s exclusive Flash-Optimized multi-tier AFAs combine the best features of multiple types of enterprise-class SSDs for the ultimate in simultaneous performance and cost-savings.

 

Innovative Data Progression technology sends all incoming writes to WI (Write-Intensive) SSDs, to ensure the highest write speeds. Data is then migrated to RI (Read-Intensive) SSDs, offering equivalent read performance at a lower cost.This intelligent automation keeps your applications running smoothly using the least expensive mix of drives. In addition, because the WI “write layer” frees your RI drives from primary writes, they’ll last much longer than drives in competing all-RI arrays.
Dell Storage SC4020 all-in-one array - Hybrid arrays

Hybrid arrays

Both the single and multi-tier AFAs described above may be further expanded and cost-optimized by adding a tier of spinning disks either within the original SC4020 chassis or in one or more expansion enclosures.

SC Series hybrid arrays deliver the best of both worlds – performance plus cost savings. All writes go to Tier 1 SSDs, guaranteeing outstanding performance. Only cold data is moved to spinning disk, but since that can constitute a very large percentage of overall capacity (up to 80% of all data is written once and never accessed again), many customers will save money by diversifying their drives.
Dell Storage SC4020 all-in-one array - Traditional HDD arrays

Traditional HDD arrays

The SC4020 can also be deployed as a traditional array with hard drives only. For those who don’t need the performance of flash, data progression still provides best-in-class tiering to optimize performance and enhance your HDD solution. Features such as FastTrack disk optimization ensure you get the most out of your hard drive investment.

Legend

Dell Storage SC4020 all-in-one array - Write-Intensive SSD

Write-Intensive SSD

Dell Storage SC4020 all-in-one array - Read-Intensive  SSD

Read-Intensive SSD

Dell Storage SC4020 all-in-one array - Hard Drive Disc HDD

Hard Drive Disc HDD

SC4020 drive options

SC4020 supports a wide variety of 2.5” SSDs and HDDs, including:

WI (Write-Intensive) SSDs RI (Read-Intensive) SSDs HDDs
200GB
400GB
800GB
 480GB
1.6TB
 300GB SAS, 15K
600GB SAS, 10K
900GB SAS, 10K
1.2TB SAS, 10K
1TB SAS, 7.2K

Additional 3.5” drives are supported in optional expansion enclosures: 2TB 7.2K, 3TB 7.2K, 4TB 7.2K, 450GB 15K, 600GB 15K.
Dell Storage SC4020 all-in-one array - Other configuration options

Other configuration options

SC4020 is available with either Fibre Channel or iSCSI networking ports. Native block SAN support is included, plus NAS support when deployed with the optional FS8600 NAS appliance. Additionally, replications and snapshots can be controlled and automated with the Enterprise Manager tool.
Dell Storage SC4020 - IT Pro Editor's Choice Award

SC4020: Editor’s Choice (5*/5*)

“Stunning SLC SSD performance.” — IT Pro

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Dell Storage SC4020 - Enterprise Strategy Group Lab Report

Dell Storage SC4020 TCO Analysis

Up to 54% lower TCO than other leading vendors.

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Affordable Flash

Affordable Flash

Why wait for speed? SC4020 all-flash arrays start at $25K.

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