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It comes at the mid range of the IBM BladeCenter server portfolio.

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The IBM BladeCenter® QS21 is a server based on the multi-core Cell Broadband Engine (Cell/B.E.) processor designed for heavy duty tasks such as image processing, signal processing and graphics rendering.  As the second generation of the Cell/B.E.,  It comes at the mid range of the IBM BladeCenter server portfolio, and is targeted for organizations that run the most demanding of applications. With a single-wide blade form factor that provides extraordinary computing density—up to 6.4 TFLOPS in a single BladeCenter H or HT chassis, the IBM BladeCenter QS21 has the capacity to perform such tasks. Its Standard dual-port 4x DDR InfiniBand and dual Gigabit Ethernet supports high communication throughput for high performance computing applications

Features

 

  • Form factor: Single-wide blade server for BladeCenter
  • BladeCenter compatibility: BladeCenter H, BladeCenter HT and BladeCenter S
  • Processor cores: 3.2 GHz Cell/B.E. Processors
  • Number of processors: Two standard, each with one PPE core and eight SPE cores
  • Level 2 (L2) cache: 512 KB per Cell/B.E. Processor, plus 256 KB of local store memory for each SPE
  • Memory(std/max): 2 GB (1 GB per processor)
  • Internal disk storage: None
  • Optional external storage: BladeCenter boot disk system (1726-22B)3
  • Networking: Dual Gigabit Ethernet
  • I/O upgrade: Serial Attached SCSI (SAS) daughter card connected via PCI-X (CFFv) (39Y9190)
  • Serial connectivity: Dual-port DDR InfiniBand 4x HCA connected via PCI-Express (43W4423)
  • OS: Red Hat Enterprise Linux 51
  • Warranty:1-year
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