stm32f407 usb High speed host

Hi
I have question about STM32F407 and USB host.
I am using discovery board and I can work with USB Full speed properly. I need to work with USB High Speed but in keil projects there is a sample which is based on ULPI and it needs USB HS PHY (it is not exist on discovery board)

I need to know: What are exactly those pins with names: USB_HS_DP and USB_HS_DM on microcontroller package?
is it possible to port this sample for USB HS or it just need external PHY.

another question about MCBSTM32F400:
Do you know the throughput of USB HOST HS as a MSD driver?

for example if you open a file and just write a 32768 bytes buffer how long does it take?
like this:

U8 buff[32768];
void tst_fwrite (void) {
  FILE *fout;
  U16 i;
  fout = fopen ("speed.log","w");
  if (fout != NULL) {
    for(i=0;i<512;i++)
     fwrite (&buff[0], 1, 32768, fout);
  }
  fclose (fout);
}

it will write 16MB.
with such a code on USB FS it can write 950KByte per second.
maybe it will be my Tempting to buy MCBSTM32F400.