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QuickSpecs

HP Z420 Workstation

Technical Specifications - High Performance GPU Computing

c04111468 — DA – 14261 Worldwide — Version 38 — October 1, 2014

Page 53

Boost Clock: up to 875 Mhz

2888 CUDA cores

Power Consumption

~235 Watts

Note 1: A 1125W PSU is required for any K40 configuration on the Z820

Tesla K40 GPU Boost

By default the Tesla K40 active ships with the core clock set to the base

clock. HPC workloads can have one or more characteristics as described.

When selecting one of the supported boost clocks a good strategy is to

characterize the workload with the available boost clocks. For example,

DGEMM/Linpack are extremely demanding on power. Therefore, the "base

clock" may be the correct choice when running Linpack. Some workloads in

life sciences, manufacturing, CFD, CAD, etc., may have power headroom

and can take advantage of one of the boost clocks.

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HP 420 Hauptspezifikationen Seite 53