In June 2006, Sun announced the AMD Opteron-based Sun Blade 8000 modular blade server system. The Sun Blade 8000 chassis can hold up to 10 Sun Blade X8420 or X8440 modules.
The following year, the Sun Blade 6000 system was launched. This allowed mixed UltraSPARC and x64 (x86-64) architecture blades. The Sun Blade T6300 and T6320 modules run Solaris and use UltraSPARC T1 and UltraSPARC T2 processors respectively, while the Sun Blade X6220 and X6250 modules use AMD Opteron or Intel Xeon 5000-series processors respectively.