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Cooler Master

Cooler Master RSA00-SPM2D3-US 1000W Silent Pro M2 Power Supply

1000W80 PLUS Silver

A 1000W modular power supply with 80 PLUS Silver efficiency for high-performance desktop builds.

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Overview

The Cooler Master Silent Pro M2 RSA00-SPM2D3-US is a 1000W ATX power supply built for desktop systems that demand reliable, high-wattage power delivery. Conforming to the ATX12V v2.3 standard, it supplies stable power across multiple rails, making it suitable for workstations, gaming rigs, and multi-GPU setups where consistent voltage is critical to system stability. The 80 PLUS Silver certification guarantees at least 85% efficiency at 50% load, which translates to less heat generation inside your case and modest savings on electricity over time.

Cable management is simplified by the semi-modular design — the essential motherboard and CPU cables are hardwired for immediate reliability, while supplementary SATA, Molex, and PCIe power cables can be attached only as needed. The 135mm cooling fan operates under an intelligent thermal control curve that keeps the unit near-silent during light and moderate workloads, spinning up only when internal temperatures rise under sustained heavy loads. With a full suite of electrical protections including OVP, UVP, OCP, OPP, and SCP, the Silent Pro M2 is engineered to keep your components safe even during power irregularities.

Key Features

Type: ATX 12V V2.3

Output Capacity: 1000W

Fan: 135mm Hydraulic Dynamic Bearing Fan

Connectors: 1x 24pin Motherboard Connector, 2x 8pin CPU Connectors, 3x 6+2pin PCI-Express Connectors, 3x 8pin PCI-Express Connectors, 12x SATA Connectors, 5x 4pin Peripheral Connectors, 1x 4pin Floppy Connector

Certification: 80 PLUS Silver

Specifications

Brand
Cooler Master
Model
RSA00-SPM2D3-US
Type
ATX12V V2.3
Wattage
1000W
80 PLUS Certification
Silver
Modularity
Semi-Modular
Fan Size
135mm

Frequently Asked Questions

The Silent Pro M2 is semi-modular, meaning the essential cables like the 24-pin ATX and CPU power are permanently attached, while peripheral and PCIe cables can be connected as needed to reduce clutter.
80 PLUS Silver means the RSA00-SPM2D3-US operates at 85% or higher efficiency at typical loads, which results in less wasted energy as heat and lower electricity costs compared to non-certified units.
Yes, with 1000W of output, this unit can power systems with high-end CPUs and multi-GPU configurations, though you should verify the specific connector types match your components.
The Silent Pro M2 uses a large 135mm fan with an intelligent thermal control system that adjusts speed based on load, keeping noise levels low during typical use and ramping up only under heavy demand.
The Silent Pro M2 includes over-voltage, under-voltage, over-current, over-power, and short-circuit protection to safeguard your components.

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