Where do these numbers come from?

NCASE's published spec; card size from Gigabyte's spec page. Checked October 2026. Makers measure differently and connectors add a few millimetres, so treat a tight result as a reason to measure.

Every card in the M1

Will it fit

Does the Gigabyte GeForce RTX 5070 Windforce OC SFF 12G fit in the NCASE M1 V6.1?

Tight

Yes, but it's tight: only 8 mm of length to spare; only with the front I/O ports removed.

Length282 of 290 mm8 mm spare

Height110 of 130 mm20 mm spare

Thickness50 of 60 mm10 mm spare

Exact measurements

Size	Gigabyte	M1	Room
Length	282 mm	290 mm	8 mm spare
Height	110 mm	130 mm	20 mm spare
Thickness	50 mm	60 mm	10 mm spare

Card up to 3 slots, front I/O removed, leaving 130 mm for the CPU cooler.

NCASE's published spec

Rather have it built?

We build the RTX 5070 into small PCs by hand, each tested and shipped with its own benchmark results.

Questions

Does the Gigabyte GeForce RTX 5070 Windforce OC SFF 12G fit in the NCASE M1 V6.1?: Yes, but it's tight: only 8 mm of length to spare; only with the front I/O ports removed. Length 282 of 290 mm, height 110 of 130 mm, thickness 50 of 60 mm.
Which M1 layout does it need?: Only with the front I/O ports removed.
Where do these numbers come from?: NCASE's published spec; card size from Gigabyte's spec page. Checked October 2026. Makers measure differently and connectors add a few millimetres, so treat a tight result as a reason to measure.

Sources

Case: NCASE’s M1 specifications, checked October 24, 2026. NCASE lists 280 mm for cards up to 60 mm (3 slots) thick, 290 mm with the front I/O ports removed, and 322 mm for cards up to 45 mm (2.2 slots). Height is 140 mm mid-card, 130 mm at the back corner and 125 mm past 280 mm of length; we use the corner figures.
Card: Gigabyte’s spec page, checked October 23, 2026.
NCASE asks for 15 to 20 mm above the card for PCIe power connectors.
A 25 mm bottom fan limits the card to 2 slots (42 mm); a 15 mm fan to 2.5 slots (50 mm).

This card in other small cases

The card’s size, and all 25 cases

Other RTX 5070 cards in the M1

Check another pair with the fit checker.

Based on published dimensions, not a guarantee. Check cable, cooler and connector clearance before you buy.