Looks pretty ok there. Cache is also known as uncore clock, default speed is 4000mhz. You can raise this to help with benches etc. voltage for this on gigabyte boards is known as cpu ring voltage. Asus call it cache voltage. Good guide here on haswell clocking and max reccomended voltages.
http://www.overclock.net/t/1401976/the-gigabyte-z87-haswell-overclocking-oc-guide
http://www.overclock.net/t/1401976/the-gigabyte-z87-haswell-overclocking-oc-guide