The Antec GSK1200 is a high-performance 1200W ATX 3.1 power supply designed for demanding desktop builds. With its fully modular cabling system, cable management is clean and straightforward, helping to maintain optimal airflow inside your case. The unit comes in a sleek black finish and fits standard ATX form factor cases, measuring 150 x 86 x 140 mm. Active cooling is handled by a single 120mm fan, keeping operating temperatures in check during intensive workloads.
Ample Connectivity for High-End Systems
The GSK1200 offers an extensive set of connectors to support powerful, multi-component configurations. It includes 2 CPU power connectors (4+4 pin), 5 PCI Express connectors (6+2 pin), 9 SATA power connectors, and 4 Molex connectors. This makes it well suited for systems featuring multiple graphics cards or high-end single-GPU setups with heavy storage configurations. The +12V rail delivers up to 1200W combined power with a maximum output current of 100A, providing substantial headroom for power-hungry components.
Stable Power Delivery and Protection
Built around the ATX 3.1 standard, the GSK1200 supports modern power delivery requirements including transient power spikes common in current-generation graphics cards. Power Factor Correction (PFC) is included to improve energy efficiency and reduce power waste. The unit also incorporates multiple power protection features, safeguarding your components against overvoltage, overcurrent, and other potential electrical issues. Supporting both 50Hz and 60Hz input frequencies, the GSK1200 is compatible with power standards across various regions.
Product number manufacturer:
0-761345-20199-5
Connectivity
CPU power connector (4+4 pins):
2 x
PCI Express power connectors (6+2 pin):
5 x
Cooling
Energy management
Max output current (+12V):
100 A
Max output current (+3.3V):
20 A
Max output current (+5V):
20 A
Max output current (+5Vsb):
3 A
Max output current (-12V):
0.3 A
Power Factor Correction (PFC) type:
Physical characteristics
Technical details
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