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Black fully modular ATX 3.0 power supply with 140mm fan and 12VHPWR connector

SAMA

SAMA XP 850W ATX 3.0 power supply

SKU CH-NNZK-9CDNB MPN 850W

Fully modular 850W ATX 3.0 unit with 80 Plus Platinum efficiency, PCIe 5.0 support and a 140mm ECO fan for quiet, high-temperature operation

  • Max wattage850 W
  • Modular cablingYes
  • Fan configuration1 × 140 mm ECO Intelligent Fan
  • Main power connector20+4 Pin
  • PCIe power connectors4 (6+2pin)
  • PSU length limit140 mm

Model ATX3.0 Platinum-850w Black

  • 80 PLUS Platinum certified efficiency saves energy
  • 850 W output powers 3090 4070 4080 4090 GPUs
  • 140 mm ECO fan adjusts speed for quiet operation
  • ATX 3.0 compliant with PCIe 5.0 12VHPWR connector
  • Fully modular cables simplify build and improve airflow

Fully Modular ATX 3.0 Power Supply

This 850W unit delivers Platinum-rated efficiency and PCIe 5.0 support for modern PC builds. A 140mm ECO fan adjusts speed by load and temperature for quiet operation. Japanese capacitors and full modular cabling simplify assembly and improve airflow.

Suited for High-End GPU Builds

The 12VHPWR connector and four PCIe 6+2-pin cables handle cards such as the 3090 4070 4080 4090 tier. Dual EPS connectors support multi-CPU platforms. Builders needing lower wattage or non-modular designs should consider other models.

Platinum Efficiency at 50°C

Certified 80 Plus Platinum, the supply maintains its rating after a 50°C reliability test. Active PFC and full-range 100-240V input ensure stable power worldwide. This thermal headroom is the deciding factor for sustained heavy loads.

How it compares

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

Price $79.99
Cheaper than about 75% 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 lineXP Series
Model name850 W
Product colorBlack
Product typeATX 12 V
Graphics
SLI supportReady
CrossFire supportReady
Ports & slots
PCIe power connectors4 (6+2pin)
Connection types2 × 8 pin (4+4) EPS (CPU)
SATA power connectors5
Power
Max wattage850 W
Modular cablingYes
Main power connector20+4 Pin
Efficiency certification80 PLUS PLATINUM Certified
Overvoltage protectionYes
Overload protectionYes
Supply voltage100–240 V
Rated power850 W
Power factor correctionActive
Size & build
Product dimensionsH3.39 in × W5.91 in × D5.91 in
Compatibility
PSU length limit140 mm
In the box
Fans total quantity1
More details
Fan configuration1 × 140 mm ECO Intelligent Fan

Other versions of this model

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