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GS21 3600

GS21 3600 The super-scale mainframe system "GS21 3600 model group" adopts with our new in-house developed eight core processor, on a single-chip.
Performance is improved by up to 20% compared to the previous model.
GS21 3600 model group also has enhanced Green ICT credentials plus outstanding performance and reliability.


In the current challenging business environment, companies are looking to cut their deployment and operating costs by consolidating servers and storage into datacenters. They are also becoming increasingly interested in intra-corporate cloud computing and other IT infrastructure optimization strategies that link multiple systems seamlessly and efficiently using SOA.

In parallel, those same companies are being viewed by the public not only for the products and services they provide, but also on their business continuity, stability, legal compliance, and environmental actions.
In this climate, and as a result of the mainframe server's crucial role in centralized data processing, its importance is being re-acknowledged.
GlobalServer, with its enhanced performance and reliability, coupled with green IT credentials is able to contribute to customer business growth and improved customer value.

Improved processing performance

  • Higher performance, higher reliability
    GS21 3600 model group adopts a system-on-chip design to boost transaction-processing performance up to 20% over previous models, while also increasing reliability. Each chipset hosts up to 8 cores, equipped with a 256 KB primary cache, as well as a secondary cache of up to 24 MB, an I/O processor, a memory controller, and a system controller.
  • Expanded scalability
    When configuring large-scale virtual machines (VM) with around 20,000 virtual I/O devices as a development environment, previous models were limited to configurations of three VM per cluster. However, GS21 3600 models offer both hardware and software enhancements that enable a dramatically larger number of virtual I/O configurations of over 10 VM. This allows concurrent development, revision and testing for different applications regardless of scale.

Green ICT approach

  • Lower power consumption
    GS21 3600 model group use system-on-chip technology to consolidate into a single chipset. Furthermore, features such as a compact, high-performance power unit reduce power consumption by as much as 20% over previous models, with the same processing performance.


Model 10Q, 10R, 10S, 10, 20R, 20S, 20, 30, 40, 60, 80, 100, 120, 140, 160
No. of CPU 1 to 16
Main Memory Max. 256GB
Channels Max. 256
Supported Channel Types FCLINK, CTS, PSD, ONA4
Dual Power Options (Cluster)
Dimensions (W x D x H)Note1 700 × 1,110 × 2,000 (mm)
Power Requirement (KVA)Note1 3.7
Weight (kg)Note1 480

Note1:Standard configuration is shown