Hitachi HA-7700

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Brand: Hitachi

The Hitachi HA-7700 is a high-performance supercomputer designed for scientific and engineering applications. It is considered one of the most powerful supercomputers in the world, capable of delivering sustained performance of over 200 petaflops in Double Precision (DP) Linux mode.The HA-7700 employs Hitachi's proprietary Vector Processing Technology, which combines scalar and vector processing capabilities. It uses Hitachi's SPARC64 VIII F processing cores, each containing four compute threads, and delivers a high density of processing power with a low power consumption.The system allows for scalability up to 644 nodes with a maximum of 9,216 DP compute cores. The HA-7700 also features a high-performance parallel file system, Hitachi's Parallel FASTER (PFS), capable of delivering sustained throughput in excess of 150 GB/s.The HA-7700 is designed to support a wide range of applications, including climate modeling, molecular dynamics simulations, and fluid dynamics simulations. Its performance and scalability make it an ideal choice for scientific organizations and research institutions.The HA-7700 has been recognized for its performance and efficiency in supercomputing benchmarks, such as the Linpack and HPL (High Performance Linpack) benchmarks, as well as in green computing initiatives that recognize energy efficiency.

Power Output: 65W into 8Ω (stereo)
Frequency Response: 10Hz to 100kHz
Distortion: 0.02%
Damping Factor: 60
Speaker Impedance: 4 to 16Ω
Input Sensitivity: 2.5mV (mm), 0.25mV (mc), 150mV (line), 150mV (din)
Signal to Noise Ratio: 86dB (mm), 68dB (mc), 100dB (line)
Line Output: 150mV (line), 50mV (din), 1V (pre)
Dimensions: 435 x 164.5 x 383 mm
Weight: 16.0 kg
Year: 1979
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