Ready to build into
Pre-assembled
Arrives riveted and in one piece. Fit your board, PSU and cards, and rack it.
- Frame riveted: floor, front panel, ears, gussets
- Top plate and card shelf screwed on, removable
- Tools: a screwdriver
Skip to contentNine steel models.
2U 
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hover: bare chassis3U 
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Model range
Nine steel models.
One printed.
Models are named EM-CASE-R-<height>U-<depth>. Height sets the board size, cards and PSU orientation. Depth sets how many drives fit on the floor behind the board.
How it ships
Pre-assembled or DIY kit
Rivet and screw
DIY kit
Arrives as flat-packed parts, already cut and bent. You rivet the frame and screw on the top plate and card shelf.
- Frame: 13–22 blind rivets, depending on the model
- Top plate and card shelf: M3 screws and nyloc nuts
- Rivets and screws included
- Tools: a hand rivet tool for 3.2 mm rivets, a screwdriver
Finish Both ship bare galvanised as standard. Powder coating is available as an option.
PETG Would rather print it? The 4U also comes as a printable version for a 256 mm bed.
Height
Depth
9 / 9 modelsCompact
mATX or Mini-ITX, four low-profile cards, flat PSU. The shortest box that still takes a standard ATX supply.
hover: bare chassisEM-CASE-R-2U-280
Preorder soon- Height
- 2U · 88.1 mm
- Depth
- 280 mm
- Boards
- mATX · ITX
- Slots
- 4× low-profile
- PSU
- ATX, lying flat
- CPU cooler
- ≤ 72 mm
- Front drives
- M.2 only
- Floor drives
- —
- Steel
- 4 parts · ≈ 1.8 kg
hover: bare chassisEM-CASE-R-2U-400
Preorder soon- Height
- 2U · 88.1 mm
- Depth
- 400 mm
- Boards
- mATX · ITX
- Slots
- 4× low-profile
- PSU
- ATX, lying flat
- CPU cooler
- ≤ 72 mm
- Front drives
- M.2 only
- Floor drives
- 2× 3.5″
- Steel
- 4 parts · ≈ 2.3 kg
hover: bare chassisEM-CASE-R-2U-500
Preorder soon- Height
- 2U · 88.1 mm
- Depth
- 500 mm
- Boards
- mATX · ITX
- Slots
- 4× low-profile
- PSU
- ATX, lying flat
- CPU cooler
- ≤ 72 mm
- Front drives
- M.2 only
- Floor drives
- 3× 3.5″
- Steel
- 4 parts · ≈ 2.8 kg
Balanced
mATX or Mini-ITX with four full-height cards, a 115 mm cooler and a front drive under the top plate.
hover: bare chassisEM-CASE-R-3U-280
Preorder soon- Height
- 3U · 132.55 mm
- Depth
- 280 mm
- Boards
- mATX · ITX
- Slots
- 4× full-height
- PSU
- ATX, lying flat
- CPU cooler
- ≤ 115 mm
- Front drives
- 1× 3.5″
- Floor drives
- —
- Steel
- 7 parts · ≈ 2.9 kg
hover: bare chassisEM-CASE-R-3U-400
Preorder soon- Height
- 3U · 132.55 mm
- Depth
- 400 mm
- Boards
- mATX · ITX
- Slots
- 4× full-height
- PSU
- ATX, lying flat
- CPU cooler
- ≤ 115 mm
- Front drives
- 1× 3.5″
- Floor drives
- 2× 3.5″
- Steel
- 7 parts · ≈ 3.4 kg
hover: bare chassisEM-CASE-R-3U-500
Preorder soon- Height
- 3U · 132.55 mm
- Depth
- 500 mm
- Boards
- mATX · ITX
- Slots
- 4× full-height
- PSU
- ATX, lying flat
- CPU cooler
- ≤ 115 mm
- Front drives
- 1× 3.5″
- Floor drives
- 3× 3.5″
- Steel
- 7 parts · ≈ 3.8 kg
Full ATX
Full ATX, seven full-height slots, an upright PSU, tower coolers up to 160 mm and three front drives.
hover: bare chassisEM-CASE-R-4U-280
Preorder soon- Height
- 4U · 177 mm
- Depth
- 280 mm
- Boards
- ATX · mATX · ITX
- Slots
- 7× full-height
- PSU
- ATX, upright
- CPU cooler
- ≤ 160 mm
- Front drives
- 2× 3.5″ + 1× 2.5″
- Floor drives
- —
- Steel
- 8 parts · ≈ 3.8 kg
hover: bare chassisEM-CASE-R-4U-400
Preorder soon- Height
- 4U · 177 mm
- Depth
- 400 mm
- Boards
- ATX · mATX · ITX
- Slots
- 7× full-height
- PSU
- ATX, upright
- CPU cooler
- ≤ 160 mm
- Front drives
- 2× 3.5″ + 1× 2.5″
- Floor drives
- 1× 3.5″ + 1× 2.5″
- Steel
- 8 parts · ≈ 4.4 kg
hover: bare chassisEM-CASE-R-4U-500
Preorder soon- Height
- 4U · 177 mm
- Depth
- 500 mm
- Boards
- ATX · mATX · ITX
- Slots
- 7× full-height
- PSU
- ATX, upright
- CPU cooler
- ≤ 160 mm
- Front drives
- 2× 3.5″ + 1× 2.5″
- Floor drives
- 2× 3.5″ + 1× 2.5″
- Steel
- 8 parts · ≈ 4.8 kg
3D-printed
EM-CASE-R-4U-280-P
Preorder soonThe 4U-280 layout as 11 PETG pieces for a Bambu Lab P1S-class 256 mm bed. It takes the same ATX board, 7 full-height slots, upright ATX PSU, buttons, USB and top-plate drives as the steel 4U.
- Pieces
- 3 front panel · 3 top plate · 4 floor tiles · 1 card shelf
- Material
- PETG, about 1.4–1.7 kg
- Print time
- about 45–60 h, 0.2 mm layers
- Joints
- M3 into 56 heat-set inserts
- Boards
- ATX · mATX · ITX
- Max. load
- under ~12 kg on the ears
- Other depths
- any 4U depth, the floor tiles adapt