SilverStone ALTA T1 Aluminum Unibody Super Tower Chassis
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About this product
- Brand
- SilverStone
- Store
- PC Case Gear
- Category
- Electronics > Electronics Accessories > Computer Components > Desktop Computer & Server Cases
- SKU
- SST-ALT1B
The SilverStone ALTA T1 Super Tower chassis features a premium aluminium unibody frame with support for up to four graphics cards, dual power supplies, and the advanced SSI-EEB format motherboard, extensive storage options for demanding workstation and enthusiast PC builds. Support for up to three 420mm radiators, generous GPU clearance up to 549mm, and a front I/O panel with dual USB Type-C ports provide modern connectivity.
Features
Premium Aluminium Unibody Super Tower Chassis with Dual PSU Support and Up to 3 x 420mm Radiators
- 4.3–8.0 mm thick aluminium unibody frame for exceptional rigidity and clean aesthetics
- Supports SSI-EEB/ SSI-CEB/ Extended ATX/ ATX/ Micro-ATX/ Mini-ITX motherboards
- Up to four GPUs supported with 8 standard PCI / PCIe expansion slots
- Extreme cooling support with up to 3 x 420mm radiators
- Dual PSU support: 2U CRPS, mini-redundant and standard ATX
- Maximum GPU length up to 549 mm
- Supports up to 9 drives with flexible 3.5" / 2.5" configurations
- Front I/O includes 2 x USB Type-C, 2 x USB 3.0, and combo audio
Aluminium Unibody Craftsmanship
The 4.3–8mm thick unibody aluminium frame provides high structural strength, combining durability with a clean and refined premium appearance.
Flagship-Class Expandability
The spacious internal design supports SSI-EEB motherboards, up to four GPUs, and a full 8-slot expansion layout—purpose-built for high performance workstation builds.
Extreme 420mm Liquid Cooling
Supports up to three 420mm radiators, ensuring stable and efficient cooling even under long-duration, high-thermal workloads.
Internal Layout View
Click the device button to view detailed chassis component information.
Left Side
Fan
- Front : Supports 120mm x 2 reservoir, or distro plate only
- Rear: 120mm x 1 (pre-installed 120mm x 1 black fan)
- Top: 140mm x 3 / 120mm x 3 / 160mm x 3
- Left Side: 140mm x 3 / 120mm x 3 (pre-installed 140mm x 3 black fan)
- Right Side: 140mm x 3 /120mm x3
Radiator
- Rear : 120mm
- Top : 120 /140 / 240 / 280 / 360/ 420mm
- Left Side : 120 /140 / 240 / 280 / 360/ 420mm (Second PSU installation NOT supported)
- Right Side : 120 /140 / 240 / 280 / 360/ 420mm
Motherboard
- SSI-EEB/ SSI-CEB/ Extended ATX/ ATX/ Micro-ATX/ Mini-ITX
Cooler
- Limitation of CPU cooler : w/ expansion card retainer: 165mm, w/o expansion card retainer: 188mm
PCI Slot
- Standard PCI / PCIe slots x8
- Graphics card limit Length: w right side radiator: 404mm, w/o right side radiator: 549mm
- Graphics card limit Width: w/ expansion card retainer: 162mm, w/o expansion card retainer: 193mm
Capacity (SSD & HDD)
- Internal 3.5" x 2 (without left-side radiator or fan installed)
- 3.5" or 2.5"X2 , 2.5" x 3
Right Side
Capacity (SSD)
- 2.5" SSD x 2
Rear
PSU
- Primary: ATX / Mini Redundant / 2U CRPS Redundant
- Secondary: ATX( *When a second ATX PSU is installed, the left-side radiator/fan mounts and the two drive bays behind the PSU cage cannot be installed.)
Flexible Dual-PSU Architecture
Compatible with 2U CRPS, mini-redundant, and standard ATX (PS2) power supplies, allowing users to configure either high-capacity power delivery or redundant workstation-grade setups.
Smart Design. Effortless Convenience.
