SPARC T4 Series Server Family Image Gallery The SPARC T4-4 running Oracle Solaris is a versatile, high performance, highly scalable, two or four-socket server based on the SPARC T4 3.0 Ghz processor. The SPARC T4-2 features two SPARC T4 processors, up to 512GB memory, six drive slots, integrated 10 GbE networking and 10 built-in PCI Express Gen 2  slots. The SPARC T4-1 comes  with an 8-core SPARC T4 processor that provides a 5x single-thread performance and improved scalability. The SPARC T4-1B blade server comes equipped with an 8-core SPARC T4 processor that offers a 5x improvement in single thread performance.