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White fully modular ATX power supply with 140mm fan

SAMA

SAMA HAT-1000yzB2G 1000W ATX 3.1 power supply

SKU CH-BYSN-88916 MPN HAT-1000yzB2G

Fully modular 1000 W ATX 3.1 power supply with Cybenetics Gold efficiency, 12VHPWR 16-pin connector for RTX 40 and 50 series, 140 mm FDB fan and Japanese capacitors in a compact 150 mm depth

  • Max wattage1000 W
  • Power efficiency> 90%
  • Modular cablingYes
  • Fan configuration1 × 140 mm
  • Power factor correctionActive
  • Main power connector24Pin

Model G1000W White

  • Cybenetics Gold certification delivers over 90% efficiency with minimal noise
  • ATX 3.1 and PCIe 5.1 ready with 12VHPWR 16-pin connector for up to 600W GPU power
  • Fully modular cabling lets you connect only the cables needed for a clean build
  • 140 mm FDB fan runs silently under 40% load in ECO mode
  • 100% Japanese capacitors ensure stable power delivery and long-term durability

1000W ATX 3.1 power supply

The SAMA HAT-1000yzB2G delivers 1000W of continuous power through an ATX 3.1 compliant design. It targets high-performance gaming PCs and content creation workstations that demand stable, efficient energy delivery. Fully modular cabling keeps builds clean and airflow unobstructed. A 140mm FDB fan with ECO mode stays silent under light loads.

Upgrade from older ATX units

This unit replaces power supplies lacking the 12V-2x6 16pin connector required by modern RTX graphics cards. The jump is worth it when your GPU draws up to 600W through that single connector and you need Cybenetics Gold efficiency above 90%. Active PFC and a single +12V rail simplify the transition. Hold-up time exceeds 12ms at full load for ride-through protection.

Ideal for compact, quiet high-end builds

The 150mm depth fits most cases including small form factor chassis, suiting builders who prioritise low noise and Japanese capacitor reliability. It suits systems running RTX 40 or 50 series cards within the 1000W envelope. Users needing more than three 6+2-pin PCIe connectors or additional SATA power ports should look at something else.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $77.99
Cheaper than about 76% of the 10,869 comparable items (median $142.99).
Max wattage 1000 W
Higher than about 70% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameSAMA
Product lineG-Series
Model nameHAT-1000yzB2G
Part numberG1000-WHGFF001-US
Product typeATX 3.1 Compatible
Product colorWhite
Ports & slots
PCIe power connectors3 × 6+2-Pin
SATA power connectors2
Output type1000 W
Connection types1 × 24 pin ATX
Power
Max wattage1000 W
Power efficiency> 90%
Modular cablingYes
Power factor correctionActive
Main power connector24Pin
12V railsSingle
Power hold-up time> 12 ms @ 100% load
Overvoltage protectionYes
Overload protectionYes
Supply voltage100–240 V
Efficiency certificationCybenetics Certified
Size & build
Top fans size140 mm
Shipping weight2.56 kg
Package size267 × 203 × 114 mm
Compatibility
PSU length limit150 mm
More details
Fan configuration1 × 140 mm
Mean time between failures>100,000 h
Top fans bearing typeFluid Dynamic Bearing

Other versions of this model

5 more in the same range

Questions about this item

What case clearance is needed for the 150 mm deep PSU?

The unit is 150 mm deep so it fits most standard ATX cases including compact builds; measure from the rear panel to any drive cage or motherboard tray to confirm at least 150 mm of free space.

How do I connect the 12VHPWR 16 pin cable for an RTX 40 or 50 series card and what step is often missed?

Plug the supplied 12VHPWR 16 pin cable directly into the PSU’s native 12V-2x6 port and seat it fully until the latch clicks; the common mistake is leaving a 1 mm gap which can cause melting.

When should the 140 mm FDB fan be cleaned and how?

Clean the fan intake every 6 to 12 months with short bursts of compressed air while holding the blades still; the fluid-dynamic bearing is sealed and does not need lubrication.

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