Maybe it has something to do with MQA.

When the MQA file is rendered in the DSP, the frequencies are now potentially a lot higher 384/768KHz.

To achieve these and the more accurate/critical timing, more processing power is probably needed.

Just a guess.

Music Room: 818v3, DSP8000SE (SpeakerLink cables), iPad control
Shunyata Denali Power Distributor, fed by SIgma NR V2 + Sigma digital(818) + 2x Alpha NR(DSP8000SE)
Network Acoustics ENO filter + Rubicon Switch(powered by IFI IPower Elite)

Office: Stax SRS2020 via ifi Signature
Spare: DSP5200 + MC200

Running Roon Core on SonicTransporter