IBM HS21 Bottom Line, Media tray Power supply size standard, 98-192 lb, 44.5-87.4 kg

Workhorse 2-socket dual and quad-core

Intel Xeon blade server

BladeCenter T Chassis Specifications
# of management modules std / max	1 / 2
Systems management controller	BladeCenter T Advanced Management Module
# of RS485 ports	None
# of serial breakout ports	None
# of parallel ports	None (USB-based)
# of mouse ports	None (USB-based)
# of keyboard ports	None (USB-based)
# of USB 2.0 ports	2 (in Media Tray)
Light path diagnostic panel	Yes (in Media Tray)
Predictive Failure Analysis support	Blades, switch modules, management modules, power modules, blower modules,
	media tray
Power supply size standard	1300W DC (8720-2RX), -38V to -75V (-48V nominal);
	1300W AC (8730-2RX)
# of power supplies standard /	2 / 4
maximum
# of blower modules standard / max.	4 / 4
Blower module airflow (front-to-back)	330 CFM (per blower)
	13.75” (349mm) H	98-192 lb
Dimensions (HWD) / weight	17.4” (442mm) W
		44.5-87.4 kg
	20.0” (508mm) D
Extended/Long Life Support	3 yrs production from date of GA, 5 yrs post production support (standard)
Length of limited warranty	3 years (parts and labor) onsite

The Bottom Line

The HS21 offers maximum bang for the buck by incorporating outstanding features in a tiny package:

Performance:

•Dual-core processors — Up to two 1.6 to 2.33GHz quad-core or 1.6 to 3.0GHz dual-core 64-bit (EM64T) Xeon processors

•Fast front-side bus — 1066 or 1333MHz FSB

•Large cache — 8MB or 4MB of shared L2 processor cache

•Fast memory — 667MHz Fully Buffered PC2-5300 DDR II ECC memory

•Fast disk technology — Internal SAS storage (2 HDDs), with the option for three additional SAS HDDs in an adjacent Storage and I/O Expansion Unit (5 HDDs total); RAID-0 data striping

•Fast I/O — 4X InfiniBand, Myrinet, iSCSI or Fibre Channel connectivity via an optional expansion card; support for 10Gb Ethernet when available

•Fast communications — Integrated dual Gigabit Ethernet, with the option for two additional Gigabit Ethernet ports via expansion cards (total 8 ports per blade) and expansion unit

Flexibility:

•Single-,double-,triple-, or quadruple-wide configurations

•Large memory capacity — Up to 16GB standard using four 4GB DIMMs (or up to 32GB and eight DIMM slots, using the Memory and I/O Expansion Unit)

•High-capacity disk storage — Up to 146.8GB of internal SAS storage, with the option for three additional 2.5-inch SAS HDDs in an adjacent Storage and I/O Expansion Unit (5 HDDs, 367GB total)

•Integrated RAID — RAID-1mirrored arrays standard; enhanced RAID-1Earrays optional (using a Storage and I/O Expansion Unit); RAID-5arrays available using the optional ServeRAID-8kcontroller

Please see the Legal Information section for important notices and information. 20.