Motherboard
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- Mini-ITX (170mm × 170 mm)
- Not compatible with Mini-DTX boards such as the ASUS ROG Crosshair VIII Impact AM4
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CPU Liquid Coolers
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- 92mm Asetek 645LT
- Requires 92mm AIO adapter plate
- Compatible with all GPUs
- 120mm AIO liquid coolers
- Requires 120mm AIO kit
- 120mm radiator thickness + 120mm fan thickness must be < 54mm (54mm is contact with side panel)
- CPU pump block / coolant hoses must be < 55mm tall from CPU
- Limits GPU length to 187mm long
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CPU Air Coolers
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Fan Mounting
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- 2x 120mm x 25mm Fans
- Builds with Window, Unvented, or a mix of Window/Vented panels must use bottom intake / top exhaust.
- Builds with vented side panels (both sides) are recommended to exhaust out bottom of case.
- For any (FAN REMOVED) heat sinks listed above both fans must be populated with high static pressure fans
- 2x Noctua NF-A12x25 (recommended)
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GPU / PCIe Cards
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- Community Generated GPU Compatibility Lists
- NVIDIA GTX/RTX GPU Compatibility Spreadsheet [Google Docs]
- AMD Radeon GPU Compatibility Spreadsheet [Google Docs]
- Supports two(2) slot wide cards with room between side panel and card for airflow
- Card is mounted behind motherboard on a PCIe 3.0 16x Flexible Ribbon Riser
- Case includes two power cord mounting plates, Standard and Pigtail
- with Standard Inlet
- Maximum card height: 133mm
- Maximum card length: 305mm
- Maximum card width: 2 slot, up to 50mm [email support@sliger.com to verify fit]
- with Pigtail Inlet (recommended for MSI and ZOTAC cards)
- Maximum card height: 157mm
- Maximum card length: 305mm
- Maximum card width: 2 slot, up to 50mm [email support@sliger.com to verify fit]
- 157mm of height for GPU power connectors regardless of power cord option
- 120mm AIO kit limits GPU to 187mm length.
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Storage
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- (2x) 2.5" SSD/HDD mounting points behind front panel
- Optional (4x) 2.5" SSD/HDD mount bracket [replaces 1x 120mm bottom fan]
- Maximum two brackets for total of 8x 2.5" SSD/HDDs
- Optional (1x) 3.5" HDD mount bracket [replaces 1x 120mm bottom fan]
- Maximum two brackets for (2x) 3.5" HDD in bottom of case
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Power Supply
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- SFX
- SFX-L is supported, however it is a very tight fit and not recommended.
- Sliger recommends a fan guard grill or custom cables if you do go with SFX-L.
- It is recommended to mount your PSU with the fan intake facing the GPU for best thermals.
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Front Panel I/O
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- One USB 3.1 Gen 2 Type C to USB E header (SS+ 10 Gbit/s)
- One USB 3.0 Type A to 20-Pin Motherboard Header
- Two Audio Jacks to standard 9-Pin HD AUDIO header
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Material
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- Chassis
- ASTM-A-653 G30 Zero Spangle 20 Gauge Galvanized Steel
- Side Panels
- ASTM B209-10 5052-H32 0.080" Aluminum Sheet
- Feet
- Cavity Molded 75 Durometer Nonmarking Black SBR
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Finish
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- Fine texture powder coated chassis and panels
- Unpainted chassis, panels, or parts available on request (for DIY paint jobs)
- Optional custom powder coat finishes, MOQ 25 units
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Branding
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- Case is unbranded on interior and exterior of chassis.
- Optional logo screen printing (full color) on front panel for business customers, MOQ 5 units
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Case Dimensions (LxWxH)
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- 13.19" x 5.48" x 8.18" - LxWxH
- 335mm x 139mm x 208mm - LxWxH
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Volume
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- 9.68 Liters
- Volume includes case feet and all protruding flanges
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Weights
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- Base Chassis (includes power cord and riser)
- 4.55lbs
- Window Panels
- 0.75lbs each
- Vented Panels
- 0.50lbs each
- Unvented Panels
- 0.80lbs each
- Packaging Material
- 1.30lbs each
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Security
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- 1x Kensington Lock Cutout
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Warranty
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- Case
- 5 Year Warranty [Chassis, USB cables, Power Button, Power Cable, PCIe Riser]
- Liquid Coolers & Fans
- 3 Year Warranty
- Please see our warranty policy for additional conditions, exclusions, and limitations.
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Homologation
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- HTS Tariff Code
- 8473.30.00.02
- Country of Origin
- United States of America
Rev Control
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- SM550 v1 (3/1/19 - 8/23/21)
- Initial Release
- SM550 v1.1 (8/23/21 - 4/11/23)
- Added handle bracket options
- Added 120mm AIO mounting kit
- Added Link-Up PCIe 4.0 Riser
- Increased venting on rear of case
- Discontinued non-vented side panels
- All cases now get both Pigtail and Standard power cord inlet covers
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