IBM 1726-21X

Models

• 1726-21X?single controller
  1726-22X?dual controller
  1726-22T?dual controller Telco
  1726-21E?single controller Express
  1726-22E?dual controller Express
  
  RAID Controler: Dual active
  
  Cache per controller: 512 MB battery-backed cache with 1 GB upgrade option
  
  Host interface: 1 or 3 host ports per controller, Serial Attached SCSI (SAS) 3 Gbps
  
  Drive interface: Serial Attached SCSI (SAS)
  
  Supported drives: 3 Gbps: 73 GB, 146 GB and 300 GB SAS drives at 10,000 rpm and 36 GB, 73 GB, 146 GB and 300 GB SAS drives at 15,000 rpm speeds
  3 Gbps: 500 GB and 750 GB SATA drives at 7,200 rpm speed
  
  RAID levels RAID-0, -1, -3, -5, -10
  
  Storage partitions 4, 16
  
  Maximum drives supported: 48 drives (using three EXP3000 Expansion Units)
  
  Fans and power supplies: Dual-redundant, hot-swappable
  
  Rack support:
  
• 19" industry-standard rack
  
  Management software:
• IBM System Storage DS3000 Storage Manager
  
  Warranty1:
  
• Three-year parts and labor
  
  Size Height: 8.7 cm (3.4 in.)
  Depth: 55.0 cm (21.6 in.)
  Width: 44.7 cm (17.6 in.)
  Weight: approximately 17.2 kg (38.0 lb) for a standard unit; when fully configured, 29.2 kg (64.5 lb)
  
  Environment Air temperature:
  ? DS3400 on: 10° to 35°C (50.0° to 95°F); altitude: 30.5 (100 ft) below to 3000 m (9840 ft) above sea level; temperature change: 10°C (18°F) per hour
  ? DS3400 off: 10° to 50°C (14.0° to 120.0°F); maximum altitude: 3000 m (9840 ft); temperature change: 15°C (27.0°F) per hour
  Humidity:
  ? DS3400 on: 20% to 80%
  ? DS3400 off: 10% to 90%
  ? Maximum dew point: 26°C (79°F)
  ? Maximum humidity gradient: 10% per hour
  
  Heat output Approximate heat output in British thermal units (Btu) per hour:
  ? Minimum configuration: 205 Btu (60 watts)
  ? Maximum configuration 1235 Btu (361 watts)
  
  Supported systems For a list of currently supported servers, operating systems, host bus adapters, clustering applications, SAN switches and directors, refer to the DS3000 series Interoperability matrix available at ibm.com/systems/storage/disk/ds3000/ds3200/
  

Product features:

* Easy to deploy and manage with the DS3000 Storage Manager
* Scalable by using up to three EXP3000 units for support of up to 48 SAS and/or SATA disks
* Affordable for the small and medium business budgets Telco model with -48v dc power supplies

Hardware summary:

* 2 U rackmount enclosure with 12 easily accessible drive bays
* Support for dual-port and hot-swappable SAS disks at 10,000 and 15,000 rpm speeds and SATA disks at 7,200 rpm speed
* Scalable to 3.6 TB of storage capacity with 300 GB hot-swappable SAS disks or 9.0 TB with SATA disks in the first enclosure
* Expandable by attaching up to three EXP3000s, a total of 14.4 TB of storage capacity with 300 GB SAS or up to 36.0 TB with 750 GB SATA
* Supports a tiered storage strategy in a single enclosure
* Built-in reliability features with dual-redundant power supplies standard
* Three-year limited warranty on parts and labor

Product Description:

The IBM 1726-21X System Storage DS3200 external storage enclosures are designed to be an easy, scalable, flexible, and affordable solution for System x and BladeCenter servers. The DS3200 is a 3Gb external SAS storage solution that is easy to deploy and manage. Available in single and dual controller models, the DS3200 scales in capacity to support a total of 48 hard disk drives by using the EXP3000 expansion unit. The DS3200 is a direct-attach solution for System x servers, and enables small and medium businesses manage their fast-growing data capacity requirements on an affordable budget.