Enthusiasts have created unofficial modded BIOS versions that include:
The 6000 Pro MT has SATA II ports (3Gbps). That caps SSDs at ~280 MB/s. By adding a $10 NVMe PCIe adapter card and a patched BIOS with NVMe boot support, you can hit speeds of 1,500 MB/s+. The system treats the NVMe drive as a native boot disk.
You will not find these on HP's website. Try: hp compaq 6000 pro mt pc bios update patched
Search for:
HP Compaq 6000 Pro MT patched BIOS
786G6 modded BIOS NVMe
After success:
The official HP BIOS for the 6000 Pro MT (last version usually 786G7 v01.xx) has limitations:
A patched or modded BIOS can unlock:
⚠️ WARNING
Flashing a patched BIOS carries risk. If done wrong, you can brick your motherboard. Do this only if you have a CH341A programmer or backup plan. This is for advanced users.