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SAMA White 850W Power Supply - Fully Modular 80 Plus Gold Certified ATX 3.1 & PCIE 5.1 Compliant Power Supply, Supports RTX 30/40 Series GPUs
SAMA

SAMA White 850W Power Supply

Bottom line: The SAMA White 850W Power Supply: Fully modular with flat cables, so you connect only the leads your build needs; main trade-off: listing names RTX 30/40 support; RTX 50 series compatibility is not stated.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

Pros & Cons

Pros

  • ✓ Fully modular with flat cables, so you connect only the leads your build needs
  • ✓ ATX 3.1 and PCIe 5.1 compliant, with native PCIe 5.1 ports and cables included
  • ✓ 80 Plus Gold rated, up to 91.15% efficiency at 50% load
  • ✓ 120mm FDB ECO fan rated at 20dB-A or lower for quiet operation
  • ✓ Japanese capacitors plus a 5-year warranty

Cons

  • ✗ Listing names RTX 30/40 support; RTX 50 series compatibility is not stated
  • ✗ 12V rail amperage and connector counts are not listed
  • ✗ 850W may be tight for top-tier GPUs paired with high-draw CPUs
  • ✗ White finish won't match black or dark-themed builds

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SpecPicks Verdict

SpecPicks scored SAMA White 850W Power Supply using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. SAMA's power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Fully Modular Design & Streamlined Cable Management: The SAMA GT Power Supply features a fully modular design, allowing you to connect only the cables your system needs. Flat cables ensure effortless cable management, keeping your build clean and improving airflow for optimal cooling performance.
  • ATX 3.1 & PCIe 5.1 Compatibility: Designed to meet the latest ATX 3.1 standards, this power supply comes with native PCIe 5.1 ports and cables, fully supporting high-end GPUs like the RTX 3090 Ti and RTX 40 series for seamless compatibility and peak performance.
  • 80 PLUS Gold Certification: With dual Gold certifications, the SAMA GT Power Supply achieves up to 91.15% efficiency at 50% load, reducing energy waste and heat output while enhancing system stability and extending component lifespan.
  • ECO Fan with FDB Bearing & Quiet Operation: Equipped with a 120mm ECO fan featuring Fluid Dynamic Bearing (FDB) technology, this power supply delivers efficient cooling with noise levels as low as ≤20dB-A, ensuring quiet operation even under heavy loads.
  • Premium Japanese Capacitors & 5-Year Warranty: Built with high-quality Japanese capacitors, the SAMA GT Power Supply ensures stable power delivery and long-term reliability. Backed by a 5-year warranty, it’s a trusted choice for gaming rigs and workstations.

Full Specifications

BrandSAMA
Wattage850 watts
Form FactorATX
Connector TypeATX, PCIe
Cooling MethodAir
Output Wattage850 watts
Item Dimensions5.51 x 5.91 x 3.39 inches
Mfr Part NumberGT0850-WHGFF001-US
Number of Items1
Compatible DevicesDesktop PC, ATX Motherboard, RTX 30/40 Series GPU, High-Altitude Environments
Minimum Input Voltage85 volts_of_alternating_current
Item dimensions L x W x H5.51 x 5.91 x 3.39 inches
System Bus Connector Type20+4 Pin
Connector Type Used on CableATX, PCIe
Full listing titleSAMA White 850W Power Supply - Fully Modular 80 Plus Gold Certified ATX 3.1 & PCIE 5.1 Compliant Power Supply, Supports RTX 30/40 Series GPUs

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SAMA White 850W Power Supply - Fully Modular 80 Plus Gold Certified ATX 3.1 & PCIE 5.1 Compliant Power Supply, Supports RTX 30/40 Series GPUs is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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SAMA White 850W Power Supply - Fully Modular 80 Plus Gold Certified ATX 3.1 & PCIE 5.1 Compliant Power Supply, Supports RTX 30/40 Series GPUs
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