IBM System Storage DS3500 Express

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 Single or dual active, hot-swappable controllers
Cache 1 gigabyte (GB) cache per controller with 2 GB upgrade (battery-backed)
Host interface Two 6 Gbps SAS host ports per controller standard with the option to add a daughter card with additional connectivityFour options:
Drive interface Single controller subsystem: One 6 Gb SAS drive expansion port
Dual controller subsystem: Two 6 Gb SAS drive expansion ports
Supported drives 6 Gbps SAS 3.5-inch drives: 6 Gbps SAS 2.5-inch drives: Solid-state SAS 2.5-inch drives:*
RAID levels 0, 1, 3, 5, 6, 10
Storage partitions Support for up to 128 storage partitions (128 standard with an upgrade to firmware level 7.84)
Maximum drives supported
  • Up to 192 drives—high-performance SAS drives, nearline SAS drives, SSDs and SED SAS drives
  • EXP3512 (2U 12 3.5-inch drives) and EXP3524 (2U 24 2.5-inch drives) enclosures, which can be intermixed behind a DS3500 Express enclosure
Fans and power supplies Dual redundant, hot-swappable
Rack support 2U, 19-inch, industry-standard rack
Management software IBM System Storage DS Storage Manager
SAN support Supported Fibre Channel switches and directors, and IP switches
Warranty Three-year parts and labour warranty, 9x5 next business day, upgradable to 24x7 with four-hour response
Physical characteristics
Dimensions DS3512: 86.16 mm x 482.47 mm x 551.60 mm (3.39 in. x 18.99 in. x 21.72 in.)
DS3524: 88.07 mm x 482.10 mm x 497.93 mm (3.47 in. x 18.98 in. x 19.60 in.)
Supported systems 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 Model description Interface Model includes
1746-E2A/EXP3512
1746-E4A/EXP3524
Drive enclosure 6 Gb SAS External security manager-embedded
Relative humidity (no condensation) EXP3512/EXP3524 drive enclosure
Operating range 20% – 80%
Storage range 10% – 90%
Maximum dew point 26°C (79°F)
Maximum gradient 10% per hour
Altitude ranges
Operating 30.5 m below sea level to 3,048 m above sea level (100 ft below to 10,000 ft above)
Storage 30.5 m below sea level to 3,048 m above sea level (100 ft below to 10,000 ft above)
Transit 30.5 m below sea level to 12,000 m above sea level (100 ft below to 40,000 ft above)
The tabulated power and heat dissipation values are the maximum measured operating power.
Acoustic noise EXP3512/EXP3524 drive enclosure
Sound power 6.5 bels
Sound pressure 65 dBA
Power input EXP3512/EXP3524 drive enclosure
Nominal voltage range 90 – 264 V ac
Frequency range 50 – 60 Hz
Maximum operating current 3.90 A at 115 V ac
2.06 A at 230 V ac

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