The Y70 is a fishbowl: glass on the front and side, and a graphics card standing up right behind it. It also ships with zero fans, so how well it cools is entirely down to you.
There’s no front intake, so the air has to come from the floor and the side. Here’s the layout that works, and the test data behind it.
The layout to copy
Hyte’s own test layout uses bottom and side intake with top exhaust. KitGuru tested that against other layouts and found it gave the best CPU and GPU temperatures.
| Fan spot | Fans | Set it to |
|---|---|---|
| Bottom (cold floor) | 3 x 120 or 2 x 140 mm, up to 32 mm thick | Intake |
| Side | 3 x 120 or 2 x 140 mm | Intake |
| Top | 3 x 120 or 2 x 140 mm, or a radiator up to 360 mm | Exhaust |
| Rear | 1 x 120 or 140 mm | Exhaust |
That’s ten fans in total. The bottom fans blow straight up into the graphics card, and the top fans carry the heat out.
Bottom or side intake first?
If you’re buying fans in stages, this choice matters. Gamers Nexus tested both in the Y70 at the same noise level, measuring how far each part ran above room temperature.
| Layout | CPU (all-core / P-core) | GPU |
|---|---|---|
| Bottom intake | 51 / 55°C | 45°C |
| Side intake | 49 / 53°C | 48°C |
Source: Gamers Nexus Y70 review.
So bottom fans help the graphics card most, and side fans help the CPU most. As Gamers Nexus put it, forcing air past a GPU isn’t an effective way to cool a CPU.
- Gaming build: start with the bottom fans.
- CPU-heavy work (rendering, compiling): start with the side fans.
- Either way: fill both in the end, as Hyte’s test layout does.
Where to put an AIO
On top, as exhaust. KitGuru’s best result used a 360 mm AIO in the roof blowing out, with bottom and side intake.
The top fits radiators up to 68 mm thick, and the side takes up to 125 mm, per Hyte’s spec sheet. For more on this choice, see our sister site’s radiator placement guide.
The bottom bracket catch
KitGuru found the bottom bracket doesn’t have enough mounting points for three 120 mm fans. Two of the fans can’t take all their screws.
They still hold, but tighten the screws you can fit firmly so the fans don’t buzz. Gamers Nexus also warns to use flat screw heads, or they’ll bend the bottom filter.
The glass gap
The Y70 forces the graphics card vertical on a built-in riser. That puts the card’s fans facing the side glass.
KitGuru noticed the card sits quite close to the side glass, which restricts its airflow a little. It’s better than in the smaller Y60, but it’s why the bottom fans matter so much: they feed the card from below.
Y70 size limits
From Hyte’s spec sheet:
| Part | Limit |
|---|---|
| Graphics card | 390 mm long, 105 mm thick |
| CPU cooler | 180 mm tall |
| Top radiator | Up to 360 mm, 68 mm thick |
| Side radiator | Up to 360 mm, 125 mm thick |
| Bottom fans | Up to 32 mm thick |
Even an RTX 5090 Founders Edition, at 304 mm long, fits with room to spare.
Y70 or Y60?
The Y60 is the smaller sibling. It ships with three fans, two under the floor and one at the back, per Hyte. Its side takes a 240 or 280 mm radiator rather than a 360.
Gamers Nexus found the Y60’s bottom filter restrictive enough to hurt GPU temperatures. The Y70’s filter is more open, so that’s less of a worry here.
Related guides
- Phanteks NV7 setup, a bigger glass showcase case with room for 12 fans.
- Dual chamber case setups, with test data from four popular cases.