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| Basic Information | ||
| Input Voltage | 100 – 240 Vac | |
| Input Current | 10 A Max | |
| Input Frequency | 50 – 60 Hz | |
| PFC | Active PFC | |
| Efficiency | Up to 90.47% at typical load (87% at typical load baseline) | |
| Protection | OVP, OPP, SCP, OCP, UVP, OTP | |
| Output Power | 850 Watts | |
| Maximum Power | 850 Watts (Continuous Output) | |
| Modular Type | Non-Modular | |
| Certification | 80 PLUS Silver (Also verified by Cybenetics) | |
| Fans | 140 mm Hydraulic Bearing Silent Fan | |
| Others | ATX 3.1 & PCIe 5.1 Ready; Regulatory: EAC, CE, FCC, UKCA, RoHS; High-quality Teapo electrolytic capacitors | |
| Connectors | ||
| Main Power | 1x 20+4 Pin (Standard ATX Main Power Cable) | |
| CPU | 1x 4+4 Pin EPS/ATX 12V (Supports standard modern processors) | |
| PCI-E | 2x PCI-E 8-pin (6+2) + 1x Native PCIe 12V-2x6 connector | |
| SATA | 4 to 6 connectors (Distributed across SATA+Molex combo cables) | |
| Molex | 2x 4-Pin Peripheral (Molex) connectors | |
| Floppy | Not Applicable / No native floppy connector | |
| Physical Specification | ||
| Dimensions | 145 mm x 150 mm x 86 mm (Standard ATX Form Factor) | |
| Color | Black (Matte black chassis with black embossed fixed cables) | |
| Material | SECC Steel Chassis / Metal Housing | |
| Warrnty Information | ||
| Warranty | 7 Years Manufacturing Warranty | |
The 1STPLAYER ACK Silver 850W is a high-wattage, non-modular ATX power supply with 80 Plus Silver certification, delivering efficient and stable power for gaming PCs and high-performance systems. It provides 850W continuous output with 90.47% typical efficiency, active PFC, and hydraulic dynamic bearing (FDB) 140mm fan for quiet operation. The unit supports ATX12V 3.1 standard, includes 20+4 pin motherboard, 4+4 pin CPU, and 16 pin (12VHPWR) plus 6+2 pin PCIe GPU connectors for modern hardware compatibility. Input operates at 200–240V~, 5A max, 50–60Hz. It features a single 12V rail with 62.5A current and 850W combined load capacity. 1STPLAYER manufactures this PSU with standard non-modular cable design. Warranty information is typically 2–3 years from 1STPLAYER, but verify with local retailers. Ideal for builders seeking reliable 850W non-modular PSU with Silver efficiency at affordable cost.
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