Razer no longer makes the version with the straight cut edge. If you buy a new one today it should have the anti-fray edge unless it's really old stock. I bought a Goliathus control extended mat on Amazon a few months ago and it came with the new anti-fray edge.
Athlon 950 Thunderbird > Athlon 64 LE-1620 > Athlon x2 4850e > Phenom II x3 720BE > Core i5-2500K > Ryzen 7 1700
GeForce2 MX400 > Radeon HD 4650 > Radeon HD 5770 > Radeon HD 6850 > Radeon HD 6950 > Radeon R9 290 > GeForce GTX 1080 Ti