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IBM System Storage DCS3700

  • Highly dense storage to maximize rack space efficiency and reduce cost, with 60 nearline SAS drives in 4U, expandable to 180 drives
  • Lower overall annual energy expenditures with 45 terabytes (TB) per U providing highly efficient enclosures

More details

Models DCS3700 Storage System and DCS3700 Expansion Unit
Redundant Array of Independent Disks (RAID) controller Dual-active, intelligent controllers
Cache per controller 4 gigabyte (GB) cache (2 GB per controller) with field or plant upgrades to 8 GB (4 GB per controller)
Host interface
  • Two 6 Gbps SAS host ports per controller standard with the option to add a daughter card with additional connectivity
  • Four 8 Gbps Fibre Channel ports per card (includes eight 8 gigabits (Gb) shortwave small form-factor pluggable transceivers)
Drive interface One 6 Gbps SAS drive interface
Supported drives 6 Gbps SAS 3.5-inch drives:
  • 2 TB 7.2k rpm Nearline (NL)
  • 3 TB 7.2k rpm NL
6 Gbps SAS 2.5-inch drives:
  • 300 GB 15k rpm
Solid state SAS 2.5-inch drives:
  • 200 GB SSD
  • 400 GB SSD
RAID levels RAID levels 0, 1, 3, 5, 6 and 10
Storage partitions Eight partitions standard with upgrade options (16, 32, 64 and 128)
Maximum drives supported Up to 180 drives per system with the attachment of two DCS3700 Expansion Units (60 drives per enclosure) 20 drives minimum drive quantity per enclosure*
Fans and power supplies Two each per enclosure
Rack support Slim 4U, 19-inch rack mount enclosure
Management software DS Storage Manager
Warranty One-year warranty. On-site service 24 hours per day, 7 days a week, 4-hour average and same-day response
Size Fits in a standard 1,000 mm cabinet (32-inch maximum depth)
Environment Operating temperature range: 10°C to 40°C (50°F to 104°F)
Heat output 4,030 BTUs per hour
Supported systems IBM System x servers, BladeCenter and Power Systems
Operating systems supported: Apple Macintosh, Solaris (W-SAS Single Drive), Linux, IBM AIX®, Microsoft Windows
Features Benefits
Supports up to 60 3.5-inch nearline SAS drives in just 4U Achieves great capacity per rack and density per floor tile with support for up to 45 TB per U
Unrelenting performance Meets the demands of high-performance computing and streaming media environments
Front-load, 12-drive drawers which can be extended while drives remain active Offers superior serviceability and easy installation or replacement of individual drives
Supports up to 180 drives with two additional DCS3700 Expansion Units Meets the most demanding data growth requirements

* Limitation - A maximum of 20 SSDs are supported in DCS3700 Controller Enclosures