I got it. It's cheapie as I expected but a good value for the incredibly low price.
There is space for 3000 chips, leaving about 2inches on top of the chip boxes for incidentals. HOLY CHIPS!
The 4x25 boxes fit perfectly inside the little "folders" at each side. 10 across the bottom, three high when put in on their sides. Basically, there is enough room for 1/2in padding all the way around with two setups wedged in the end lengthwise. The setups are taller than the chips and four setups would fit at the end like this.
3000 chips would equal about 66lb. I need to find 70lb of something small enough to fit inside the case to test it. 14 bags of sugar won't fit and I don't think our stockpiles are that large anyway

I think I have some weights around here somewhere. I don't give it much chance to securely carry 70lb. That's about how much my toolbox weighs and you can see the steel around the handle deflect when you pick it up.