STA ST Audio DSP3000 M-Port PCI Audio Interface PC Mac Music 24BIT I/O Preamps
It comprises a DSP24 PCI card, its associated XG DB1 daughter card with S/PDIF and AES-EBU digital I/O, and a 2U high rackmount case labelled 'ADC&DAC 3000', which houses the various converters and audio electronics.