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White ATX power supply with 140 mm fan and modular cables

SAMA

SAMA HAT-850yzB1G 850W ATX 3.1 power supply

SKU CH-RM96-FNRWS MPN HAT-850yzB1G

An 850 W ATX 3.1 unit with Cybenetics Gold efficiency, fully modular cables, a 140 mm FDB fan, Japanese capacitors and a 12V-2x6 connector for RTX 40 and 50 series GPUs

  • Max wattage850 W
  • Power efficiency> 90%
  • Modular cablingYes
  • Fan configuration1 × 140 mm
  • Power factor correctionActive
  • Main power connector24Pin

Model G850W White

  • High efficiency with minimal noise backed by Cybenetics Gold certification
  • Ready for latest GPUs with ATX 3.1 and PCIe 5.1 support including 12VHPWR 16pin connector
  • Clean builds enabled by fully modular cabling design
  • Stable power delivery from 100% Japanese capacitors
  • Quiet operation under 40% load with 140mm FDB fan and ECO mode

ATX 3.1 850W Fully Modular Unit

This 850W ATX 3.1 power supply targets high-performance gaming PCs and content creation workstations. Its fully modular cabling lets builders connect only the cables required for a clean interior. The unit carries Cybenetics Gold certification for verified efficiency and noise levels.

Cybenetics Gold Thermals and 140mm FDB Fan

A 140mm fluid-dynamic-bearing fan runs in ECO mode under 40 percent load for silent operation. Cybenetics Gold coverage confirms high efficiency with minimal noise across typical workloads. Active PFC and a single +12V rail deliver stable power with hold-up time exceeding 12ms at full load.

12VHPWR 16-Pin Connector for PCIe 5.1 Graphics

The native 12VHPWR 16-pin connector supplies up to 600W to PCIe 5.1 graphics cards including RTX 40 and 50 series. This single specification decides whether the unit matches a modern GPU without adapters. Japanese capacitors and full protection circuits back the connection.

How it compares

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

Price $65.99
Cheaper than about 81% of the 10,869 comparable items (median $142.99).
Max wattage 850 W
Typical for this category: the median of 930 items is 850 W.

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Specifications

Product
Brand nameSAMA
Product lineG-Series
Model nameHAT-850yzB1G
Part numberG0850-WHGFF001-US
Product typeATX 3.1 Compatible
Product colorWhite
Ports & slots
PCIe power connectors1 × 6+2-Pin
SATA power connectors2
Output type850 W
Connection types1 × 24 pin ATX
Power
Max wattage850 W
Power efficiency> 90%
Modular cablingYes
Power factor correctionActive
Main power connector24Pin
12V railsSingle
Power hold-up time> 12 ms @ 100% load
Efficiency certificationCybenetics Certified
Overvoltage protectionYes
Overload protectionYes
Supply voltage100–240 V
Size & build
Top fans size140 mm
Shipping weight2.27 kg
Package size267 × 198 × 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

How do I install the 12VHPWR 16-pin connector and what step do builders often miss?

Plug the 16-pin cable fully until the latch clicks; the step many miss is seating all twelve power pins and four sense pins evenly so the GPU detects 600 W capability.

What maintenance will the 140 mm FDB fan need after long use?

The fluid-dynamic bearing is sealed for life; only occasional dust removal with compressed air is required to keep airflow steady.

At what load does the fan spin up and become the first audible limit?

The ECO mode keeps the fan stopped until roughly 40 % load, after which the 140 mm FDB fan ramps up and becomes the first noticeable noise source.

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