"IBM Sysytem Storage DS3500 Express 6 Gbps SAS-Based Storage System"
 

Next generation entry-level storage system featuring 6 Gbps SAS technology, improved performance, concurrent iSCSI/SAS or FC/SAS host connectivity, increased scalability and enhanced features.
The DS3500 Express offers:

  • Scalability to mid-range performance and features starting at entry-level prices
  • Efficiency to help reduce annual energy expenditures and environmental footprints
  • Simplicity that does not sacrifice control with the perfect combination of robustness and ease of use

Highlights

  • Includes 6 gigabits per second (Gbps) serial-attached SCSI (SAS) systems to deliver mid-range performance and scalability at entry-level prices
  • Offers built-in management expertise in intuitive and powerful storage management software
  • Delivers continuous data security with full disk encryption and supports high-performing solid state drives (SSDs)
  • Offers Network Equipment Building System (NEBS) and European Telecommunication Standards Institute (ETSI) compliance and support for 48 V DC power supplies

Benefits:

  • Affordable entry-point with midrange performance, scalability and features
  • Green efficiencies reduce energy expenditures
  • Extensive suite of Microsoft and VMware solutions
  • Ease-of-use built into a powerful and intuitive management software
  • Multi-protocol connectivity support concurrent DAS/SAN
  • Balanced performance ideally-suited for mixed workloads and virtualization
  • Enhanced security features provides relentless data protection
  • DC power model for Telco environments
 
   
Characteristics
Part Number 1746A2S DS3512 Express Single Controller Storage System
1746A2D DS3512 Express Dual Controller Storage System
1746A4S DS3524 Express Single Controller Storage System
1746A4D DS3524 Express Dual Controller Storage System
1746T4D DS3524 Express DC Dual Controller Storage System
RAID Controller Dual active, hot-swappable controllers
cache 1 gigabyte (GB) cache per controller with 2 GB upgrade (battery-backed)
Host Interface

Four options:
Four or eight 6 Gbps SAS ports
Eight 8 Gbps Fibre Channel ports and four 6 Gbps SAS ports
Eight 1 Gbps iSCSI ports and four 6 Gbps SAS ports
Four 10 Gbps iSCSI ports and four 6 Gbps SAS ports

Drive Interface

Two 6 Gb SAS drive ports
Support Drives

6Gbps SAS 3.5 in. drives: 300 GB , 450 GB, 600 GB 15k rpm , 2 TB 7.2k, 3 TB 7.2k rpm nearline , 600 GB 15k rpm SED
6Gbps SAS 2.5 in. drives: 146 GB 15k rpm , 300 GB 15k rpm, 300 GB 10k rpm ,600 GB 10k rpm ,900 GB 10k rpm ,500 GB 7.2k rpm nearline ,300 GB 10k rpm SED ,1 TB 7.2k rpm
Solid-state SAS 2.5 in. drives*: 200 GB and 400 GB SSD


RAID levels

0, 1, 3, 5, 6, 10
Storage partitions Support for up to 128 storage partitions (levels: 4 standard with upgrades to 8, 16, 32, 64 and 128)

Maximun Drives Support

Up to 192 drives—high-performance SAS drives, nearline SAS drives, SSDs and SED SAS drives EXP3512 (2U 12 3.5-in drives) and EXP3524 (2U 24 2.5-in drive) enclosures, which can be intermixed behind a DS3500 Express enclosure
Fans and Power Supplies Dual redundant, hot-swappable
Rack Support 2U, 19 in., industry-standard rack
Management Software IBM System Storage DS Storage Manager
SAN Support

Supported IBM Fibre Channel switches and directors, and IP switches
Warranty 3 years
Physical Characteristics
Dimessions

DS3512: Height: 3.39 in./86.16 mm, Width: 18.99 in./482.47 mm, Depth: 21.72 in./551.60 mm
DS3524: Height: 3.47 in./88.07 mm, Width: 18.98 in./482.10 mm, Depth: 19.60 in./497.93 mm
Support System For a list of currently supported servers, operating systems, host bus adapters, clustering applications and SAN switches and directors, refer to the DS3500 Express Interoperability Matrix.
Model
1746-E2A/EXP3512
1746-E4A/EXP3524

Model description
Drive enclosure

Interface
6 Gb SAS

Model includes
External security manager-embedded
Relative humidity (no condensation) EXP3512/EXP3524 drive enclosure
Operating Range 20% to 80%
Storage Range 10% to 90%
Maximum dew point 79°F (26°C)
Maximum gradient 79°F (26°C)
Acoustic Noise              EXP3512/EXP3524 drive enclosure
Sound power 6.5 bel
Sound pressure 65 dBA
PowerInput             EXP3512/EXP3524 drive enclosure
Nominal Voltage Range 90 V ac to 264 V ac
Frequency Range 50 to 60 Hz
Maximum Operating Current 3.90 A at 115 V ac
2.06 A at 230 V ac