Dell controllers SC7020 array - Dell Storages|Dell EMC NAS Storages
Dell controllers SC7020 array
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)
Memory : 256GB per SC7020 array (128GB per controller)
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: 200-240 VAC
Nominal input frequency: 50/60 Hz
Maximum thermal output/heat dissipation: 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
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*