NZXT PA-8G2BB-US 850 W ATX 3.1 power supply
- ATX12V v3.1 / EPS12…
- 850 W
NZXT
A fully modular ATX 3.1 unit delivering 1200 W with 80 PLUS Gold efficiency and a quiet 135 mm FDB fan
Options 1200W (White)
This fully modular unit delivers 1200 W through an ATX12V v3.1 and EPS12V v2.92 design. It targets builders who need high, stable output for demanding graphics cards and processors. The white finish suits colour-coordinated builds.
A 135 mm FDB fan runs under active PFC rated at 0.99 to keep ripple low. 80 PLUS GOLD certification confirms high efficiency across typical loads. Protection circuits include OVP, UVP, SCP, OTP, OPP and OCP for safe operation.
Nylon-sleeved cables include a 600 mm 24-pin ATX lead plus 700 mm 4+4-pin and 8-pin CPU leads. The chassis measures 150 x 86 x 160 mm and carries FCC, CE, CB IEC 62368-1, UKCA and other approvals. MTBF exceeds 100000 hours.
| Brand | NZXT |
|---|---|
| Model | PA-2G2BW-US |
| Part Number | PA-2G2BW-US |
| Type | ATX12V v3.1 / EPS12V v2.92 |
| Maximum Power | 1200 W |
| Modular | Full Modular |
| Fans | 1 x 135 mm FDB |
| PFC | Active @0.99 |
| Energy-Efficient | 80 PLUS GOLD Certified |
| Input Voltage | 100 - 240 V |
| Input Frequency Range | 50/60 Hz |
| Output | +3.3V@22A, +5V@22A, +12V@100A, +5VSB@3A |
| MTBF | >100,000 Hours |
| Approvals | FCC, Canada, CE, CB(IEC 62368-1), UKCA, CCC, BSMI, BIS, RCM, UAE, TUV, cTUVus, KC, CP65 |
| Connectors | 24-pin ATX Power Cable: 600mm with nylon sleeving, Output Connectors: 1 4+4-pin CPU Power Cable: 700mm with nylon sleeving, Output Connectors: 1 8-pin CPU Power Cable: 700mm with nylon sleeving, Output Connectors: 1 6+2-pin PCIe Power Cable: 650mm with nylon sleeving, Output Connectors: 3 16-pin (12+4) 12V-2x6 PCIe Cable: 650mm with nylon sleeving, Output Connectors: 1 SATA Cable: 500+150mm, Output Connectors: 12 Peripherals Cable: 500+150mm, Output Connectors: 4 |
| Color | White |
| Max PSU Length | 160 mm |
| Protection | OVP (Over Voltage), UVP (Under Voltage), SCP (Short Circuit), OTP (Over Temp), OPP (Over Power), OCP (Over Current) |
| Dimensions | 150 x 86 x 160 mm |
| 배송 무게 | 3.79 kg |
| 포장 크기 | 318 × 222 × 121 mm |
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The 600 mm 24-pin and 700 mm 4+4-pin and 8-pin CPU cables are fully modular with nylon sleeving. Connect each cable at the PSU side first, then route behind the motherboard tray using the case grommets. The step many miss is seating the 24-pin connector fully until the latch clicks; a loose pin causes boot failures.
The 135 mm FDB fan is the only moving part. With an MTBF above 100,000 hours it should run for many years, but dust buildup on the blades reduces airflow and raises noise. Clean the fan intake with compressed air annually; if bearing noise appears, replace the fan assembly.
The +12 V rail delivers up to 100 A. When total draw reaches the 1200 W maximum, over-power protection (OPP) will trigger and shut the unit down. Active PFC at 0.99 and 80 PLUS Gold efficiency keep heat lower, but sustained loads at the ceiling will trip OPP first.
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