MSI MAG A1000GLS PCIE5 1000W 80+ Gold ATX 3.1 Fully Modular Power Supply ( 1000W )

The MSI MAG A1000GLS PCIe5 is a 1000W fully modular power supply built to the ATX 3.1 specification, making it a capable foundation for high-end gaming, content creation, and AI PC builds. Designed with compatibility for NVIDIA GeForce RTX 50 series graphics cards, it ships with a native 12V-2×6 (PCIe CEM 5.1) connector capable of delivering up to 600W to a single GPU — eliminating the need for adapter cables and reducing potential points of failure. Efficiency is certified at 80 PLUS Gold, meaning the unit operates at up to 90% efficiency under typical loads, which translates to lower heat output and reduced electricity consumption compared to lower-rated units. The fully modular cable system lets builders attach only the cables they need, improving airflow inside the chassis and simplifying cable management. Thermal performance is handled by a 135 mm fluid dynamic bearing fan, a fan type chosen for its extended operational lifespan and low acoustic profile. MSI describes the noise output as suited to quiet environments, and the fluid dynamic bearing design supports this by reducing friction wear over time. For protection, the unit incorporates eight hardware-level safeguards: over-current protection (OCP), over-temperature protection (OTP), over-power protection (OPP), short-circuit protection (SCP), over-voltage protection (OVP), under-voltage protection (UVP), surge/inrush protection (SIP), and no-load operation support (NLO). The internal capacitors are rated to 105°C, indicating suitability for sustained operation in warm environments. Cable connectors use copper alloy terminals, and all cables carry UL certification per the source listing. ATX 3.1 compliance means the unit can sustain power excursions of up to 2200W (220% of rated capacity) for up to 100 microseconds, accommodating the transient spikes generated by modern high-performance GPUs without triggering protection shutdowns. Verified Specifications: – Wattage: 1000W – Efficiency: 80 PLUS Gold (up to 90%) – Form Factor: ATX 3.1 – Modular: Fully modular – Fan: 135 mm, fluid dynamic bearing – PFC: Active PFC – Input Voltage: 100–240V~ – Input Frequency: 47–63 Hz – Power Excursion: 2200W (up to 220% for 100 µs) – Dimensions: 150 × 150 × 86 mm – Connectors: 1× ATX 24-pin, 1× EPS 8-pin, 1× EPS 4+4-pin, 1× PCIe 5.1 16-pin (12V-2×6, 600W), 4× PCIe 6+2-pin, 11× SATA 15-pin, 4× Molex 4-pin, 1× FDD 4-pin – Protection: OCP, OTP, OPP, SCP, OVP, UVP, SIP, NLO – Capacitor rating: 105°C