IBM System Storage EXP2500 Express

Cost-effective and scalable next-generation storage expansion enclosure

Model 1747-HC1 (PN 174712X)—System Storage EXP2512 Express Storage Enclosure
1747-HC2 (PN 174724X)—System Storage EXP2524 Express Storage Enclosure
RAID controller EXP2500 Express supports:
Direct attachment to selected System x servers using: Direct attachment to select BladeCenter servers using:
Drive interface SAS
Supported drives EXP2512:
300 GB, 450 GB and 600 GB 15k rpm 6 Gbps SAS 3.5-inch HDD
1 TB, 2 TB, 3 TB and 4 TB 7.2k rpm 6 Gbps SAS nearline 3.5-inch HDD*
146 GB and 300 GB 15k rpm 6 Gbps SAS 2.5-inch HDD
600 GB, 900 GB and 1.2 TB 10k rpm 6 Gbps SAS 2.5-inch HDD
1 TB 7.2k rpm 6 Gbps SAS nearline 2.5-inch HDD
200 GB and 400 GB 6 Gbps SAS 2.5-inch SSD
RAID levels Supports RAID levels supported by ServeRAID Controllers:
Standard 0, 1, 10, 5, 50
Optional 6, 60
Maximum drives supported 12 in the EXP2512 enclosure
24 in the EXP2524 enclosure
Fans and power supplies Two hot-swappable 515 watt (115 - 230 V ac) power supplies
Rack support 19-inch, industry-standard rack
Management software Mega RAID storage manager
Warranty Three-year limited warranty, customer-replaceable units, onsite service, next business day 9x5, service upgrades available
Size Height: 8.7 cm (3.4 in.), Depth: 55.6 cm (21.9 in.), Width: 44.6 cm (17.6 in.)
Environment Air temperature:
EXP2500 on: 10°C – 35°C (50°F – 95°F); altitude: 30.5 m (100 ft) below to 3,000 m (9,840 ft) above sea level; temperature change: 10°C (18°F) per hour
EXP2500 off: 10°C – 50°C (14°F – 120°F); maximum altitude: 3,000 m (9,840 ft); temperature change: 15°C (27°F) per hour
EXP2500 on: 20% – 80%
EXP2500 off: 10% – 90%
Maximum dew point: 26°C (79°F)
Maximum humidity gradient: 10 percent per hour
Acoustical noise emissions:
For maximum system configurations
Sound power (idling): 6.1 bels
Sound power (operating): 6.1 bels
Sound pressure (idling): 48 dBA
Sound pressure (operating): 48 dBA
Heat output Approximate heat output in British thermal units (BTU) per hour:
Minimum configuration: 188 BTU (55 watts)
Maximum configuration: 821 BTU (240 watts)