Antec 900 E-ATX High Performance Workstation Full Tower Case
Order within 0 d 00 h 00 m 00 s to get it on Friday, 23rd of October*
*applies to Premium Delivery within United Kingdom (excl. Channel Islands), considering nationwide public holidays.
HERITAGE - A MODERN 900, BUILT ON A CLASSIC NAME
The Antec Nine Hundred was one of the most recognizable high-airflow cases of its time-known for its open design, aggressive cooling, and expandability that let builders push hardware harder than ever before.
The new Antec 900 is a modern interpretation of that legacy.
EDGE AI & WORK STATION READY
Supports ATX, E-ATX, SSI-CEB, SSI-EEB, and AMD Threadripper.
AI-OPTIMIZED GPU SUPPORT
Built to house multi-GPU / accelerator configurations, including Al-optimized GPUs like NVIDIA RTX 6000 Ada, RTX A6000, and comparable compute cards.
GPU & ACCELERATOR SUPPORT
Designed around professional accelerator cards and full-length, triple-slot GPUs used in AI, compute, and 8K-capable gaming.
SUPPORTS GPUS UP TO 495 MM LONG AND UP TO 160 MM THICK
Spacious interior accommodates multi-accelerator layouts, blower-style compute cards, or mixed GPU + add-in card setups.
STORAGE & DATA READINESS
The "900" isn't just a name-it's built in. The 9 total drive bays nod directly to the original's storage flexibility, now reimagined for Al datasets, scratch disks, project libraries, and RAID.
2 x PI2R reverse-flow 120 mm fans on the PSU shroud to stabilize chamber airflow.
1 x TQ140 140 mm rear exhaust fan.
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Colour
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Primary Colour
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Black
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Dimensions
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Length / Depth
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547 mm
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Width
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250 mm
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Height
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622 mm
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Weight
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14.18 kg
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Case
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Case Type
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Full Tower
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Motherboard Support
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Compatible Motherboard Formats
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ATX, E-ATX, Micro-ATX, Micro-ITX, SSI-CEB, SSI-EEB
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Max. Motherboard Format
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E-ATX
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Internal Dimensions
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Max. CPU Cooler Height
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190 mm
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Max. GPU Length
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495 mm
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Max. PSU Length / Depth
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230 mm
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Display
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Display Included
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No
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Power Supply
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PSU included
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No
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PSU Format
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ATX
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Power Supply Position
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Internal
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Cable Specifications
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Riser Cable Included
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No
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Fan Support
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Max. Number of Fans
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9
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Radiator Support
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Max. Radiator Compatibility
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4x Triple (420 mm)
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Radiator/AIO Support (Front)
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420mm Radiator
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Radiator/AIO Support (Top)
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360mm Radiator
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Drive Bays
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Max. 2.5 Inch Drives
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9
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Max. 3.5 Inch Drives
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4
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Max. 5.25 Inch Drives
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0
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Hot swap drive bays
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No
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External Ports
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Audio outputs & inputs
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1x output / input comb. (3.5 mm jack, 4-pin, TRRS)
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Case Features
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I/O position
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Top
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Side panel
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with window
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Vertical GPU Mount
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No
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Adjustable Vertical GPU Bracket
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No
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Front door
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No
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Cable Management
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Yes
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Filters Included
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Yes
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Noise dampening
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No
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Mainboard slide / tray
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No
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Transport System
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No
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Back Connect
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Back Connect
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Yes
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Expansion Slots
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Expansion slots / PCI slots
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8
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Features
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Housing Feedthrough
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No
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Connectivity
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Card reader
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No
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Fan Header
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Fan Controller / Fan Hub
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No
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Mounting
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Case VESA Mountable
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No
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Internal Monitor Mount
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No
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Materials
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Materials
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Aluminium, Glass, Plastic, Steel
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Lighting
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Lighting / RGB
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No
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Additional Contents
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Included fans
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3x 120 mm, 3x 140 mm
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UK Delivery
Order by 4pm (Monday to Friday) for 1 working day delivery*Full Delivery Information
Click & Collect
Collect from OcUK HQ, or one of thousands of DPD Pickup Points around the UK*Full Delivery Information
IE Delivery
We now ship to Ireland, with tax and customs included in the price you pay*Full Delivery Information
International Delivery
Delivery to over 40 countriesFull Delivery Information
Returns
30 Day return and refund periodFull Returns Information
*Exclusions and product restrictions apply
