IBM System Storage EXP3500 Express

Low-cost, high-performance 6 Gbps SAS expansion units

IBM System Storage EXP3500 Express at a glance
Part number 1746A2E – EXP3512 Express
1746A4E – EXP3524 Express
Drive interface 6 Gbps SAS
Supported drives 6 Gbps SAS 3.5-inch drives: 6 Gbps SAS 2.5-inch drives: Solid-state SAS 2.5-inch drives*:
Maximum drives supported EXP3512: twelve 3.5-inch drives; EXP3524: twenty-four 2.5-inch drives. Scalability up to 192 drives (optional mix of expansion enclosures)
Fans and power supplies Dual
Rack support Included standard
Warranty Three-year limited warranty, CRU and onsite service, next business day 9×5, service upgrades available
Size 2U rack-optimized
Environment Relative humidity – Operating range 20% – 80%
Operating altitude – 30.5 m (100 ft) below sea level to 3,000 m (9,840 ft) above sea level
Heat output EXP3512 – 945 BTU/hr.; EXP3524 – 821 BTU/hr.
Energy consumption efficiency* 80 PLUS efficiency standard
Feature Benefits
SAS expansion enclosures
Scalable up to 192 drives with a mix of EXP3512 and EXP3524 enclosures
Support for high-performance SAS, capacity-optimized SAS drives, SEDs and SSDs
Redundant and hot-swappable ESMs, power supplies and drives
Power supplies designed to meet multiple power efficiency standards
Models EXP3512 – 1746-E2A
Drive interface 6 Gbps SAS
Supported drives 6 Gbps SAS 3.5-inch drives:
Maximum drives supported EXP3512: twelve 3.5-inch drives. Scalability up to 192 drives (mix of expansion enclosures)
Fans and power supplies Dual
Rack support Included standard
Warranty Three-year parts and labor warranty, next business day 9×5, upgradable to 24×7 with four-hour response
Size 2U rack-optimized
Environment Relative humidity – Operating range 20% – 80%
Operating altitude – 30.5 m (100 ft) below sea level to 3,000 m (9,840 ft) above sea level
Heat output EXP3512: 945 BTU/hr.
Energy consumption efficiency* 80 PLUS efficiency standard
Models EXP3524 – 1746-E4A
Drive interface 6 Gbps SAS
Supported drives 6 Gbps SAS 2.5-inch drives: Solid-state SAS 2.5-inch drives**:
Maximum drives supported EXP3524: twenty-four 2.5-inch drives. Scalability up to 192 drives (mix of expansion enclosures)
Fans and power supplies Dual
Rack support Included standard
Warranty Three-year parts and labor warranty, next business day 9×5, upgradable to 24×7 with four-hour response
Size 2U rack-optimized
Environment Relative humidity – Operating range 20% – 80%
Operating altitude – 30.5 m (100 ft) below sea level to 3,000 m (9,840 ft) above sea level
Heat output EXP3524 – 821 BTU/hr.
Energy consumption efficiency* 80 PLUS efficiency standard