Free LOL wow you no ask for much...
I just set up a guy on a 240 gigabit backbone that can also do Terabit if needs be, they gave him 100mbps uplink speed.. also had quad fiber optic entries into the backbone.. This place offered 13 tier 1 network providers cheeehooo, 10 gigabit internet links and 100 peer network providers AND included an Internap FCP with their service (this is a godsend for fast routing packets)... they use a parallel multi-tiered redundant network model.. their datacenter is in north Carolina... I like them cause they use the TopLayer 5500 E Series IPS... Not that you would need that but hey everyone at one time will be a DDoS target at one point and they offered 3Ware RAID1...
Doesn't have quadcore though they used a dual AMD Opteron 250 @ 2.4GHz, 16GB RAM, Dual 500GB HDD, 3300GB monthly bandwidth...
Dealz was only 299 a month unmanaged Even though it's dual AMD their network is freaking fast...
Cheapest quad core i seen on a known datacenter with a good reliable network is 219 a month but they only offer 8gb ram.
anything cheaper and they are probably not using multiple tier 1 or tier 2 (they most likely using tier 3)... then all that processor speed is for nothing if the data takes the slowest longest route to the user
shit if you got some dealz on a a quad core 16gb ram at a datacenter that uses at least 10 tier 1 providers let me know i could resell those fast