Antec Performance 1M Mini-ITX Gaming Case

The Antec Performance 1M delivers premium small form factor performance in a compact 424 x 175 x 260mm chassis. Designed for serious mini-ITX builds, this case combines aluminum construction with intelligent engineering to maximize compatibility without sacrificing build quality.

Aluminum Construction and Design

Built with aluminum side panels and an aluminum rear frame, the Performance 1M offers a durable metallic finish that stands out in any setup. The perforated panel design ensures optimal airflow while maintaining the sleek, minimalist aesthetic that blends seamlessly into professional or gaming environments.

Adjustable Central Mount System

The innovative adjustable central mount provides exceptional flexibility for component selection. Configure your build for maximum GPU length (up to 350mm with 47mm CPU cooler height) or prioritize CPU cooling (up to 85mm cooler height with 40mm max GPU thickness). The total combined clearance of 125mm allows you to balance your cooling needs precisely.

PCIe 4.0 Riser Cable Included

The included PCIe 4.0 riser cable ensures full bandwidth support for modern graphics cards, eliminating potential bottlenecks in your compact build. This premium inclusion saves you the additional cost and compatibility concerns of sourcing a separate riser cable.

Modern Connectivity

Front panel features USB 3.2 Gen2 Type-C (10Gbps) connectivity, providing high-speed data transfer for modern peripherals and storage devices. The tool-free side panels enable quick access for upgrades, maintenance, or component swaps without hunting for screwdrivers.

Technical Specifications

• Form Factor: Mini-ITX
• Dimensions: 424 x 175 x 260mm (DWH)
• PSU Support: SFX-L & SFX (130 x 125 x 63.5mm max)
• Expansion Slots: 3 slots (Max GPU Mode) / 2 slots (Max CPU-Cooler Mode)
• Drive Bays: 1x 2.5" drive
• Fan Support: Bottom - 2x 120mm or 2x 140mm
• Dust Filters: Bottom intake filter
• Net Weight: 4.90 kg
• Warranty: 2 Years

Build Flexibility

The Performance 1M accommodates up to 78mm GPU thickness when using a 47mm CPU cooler, or up to 85mm CPU cooler height with a slimmer 40mm GPU. This adjustable approach makes the case compatible with a wide range of high-performance components, from powerful air coolers to thick triple-slot graphics cards.

Bottom fan mounting supports either 2x 120mm or 2x 140mm fans (not included), allowing you to customize your cooling configuration. The included bottom dust filter helps maintain clean internals with minimal maintenance.

Form Factor: Micro Tower
Motherboard Support: ITX
PSU Included: None
Case Colour: Black
LED Colour: None
USB 3.0: 0
Side Panel: Solid