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Overview - IBM BladeCenter JS20

Product Documentation


Overview with technical information and relevant links for the IBM BladeCenter JS20


BladeCenter JS20

Features and specifications
  • Supports two 2.2 GHz PowerPC 970 processors
  • High-speed 1 GB DDR ECC SDRAM memory standard
  • High-speed 2 GB ECC PC2700 DDR SDRAM memory standard (8842-RTx only)
  • Up to 8 GB memory-intensive applications
Hard drive (HD)
  • Integrated IDE controller and connectors for two 40 GB or 60 GB IDE HDs
  • Dual Gigabit Ethernet connections with failover support
  • 4-Port Gigabit Ethernet Switch module
Redundant cooling
  • Four variable-speed hot-swap blowers
2 high-availability mid-plane connections
  • Provides durable and reliable connection to all chassis resources
Systems Management
  • Integrated systems management processor
  • Up to 84 2-way blades may be installed in an industry-standard 42U rack
  • BladeCenter JS20 RTx must be installed in an BladeCenter T (Type 8720, 8730) chassis (8842-RTx only)
Detailed specifications
  • All specifications for the IBM eServer BladeCenter JS20

Note: Specifications are dependent on the machine type and model.


3-year on-site limited warranty for parts and labor

For warranty service upgrades and maintenance service, refer to Warranty service upgrades and maintenance services.

Hardware compatibility
For detailed information about IBM and non-IBM devices, adapters, software, and network operating systems supported with xSeries servers, visit the ServerProven compatibility Web site at

Additional product information


Document Location


Operating System

BladeCenter:Operating system independent / None

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Document Information

Modified date:
24 January 2019