You should know that the game ignores your price and makes its own if yours is too small. You're charged by the slot.
Because don't be a cheat.
Anyway, it's a lot the same as Uplink gateways. Differences are surrounded by *s.
Code:
Name, Cost, MaxCPU, *MaxRam*, MaxMem, *MaxUpg*, MaxSec, Bandwi, Width, Height, Description
The TRINITY-1686a gateway
125000 8 *3* 16 *2* 3 8 400 300 The best all round gateway money can buy
cpu 130 96 242 100 130 144 242 148
62 96 304 100 62 144 304 148
*ram 107 126 326 45 327 205*
mem 155 45 132 45 110 45 88 45
239 205 261 205 283 205 306 205
237 45 259 45 281 45 304 45
157 205 134 205 112 205 90 205
sec 5 4 366 2 366 244
*sata 55 9 23 48*
modem 16 228
power 26 194
So basically, add RAM and hardware upgrade slots. RAM is required, upgrade slots are not.