Thermaltake
Toughpower GT 850W Snow ATX 3.1 Power Supply; 80 Plus Gold Efficiency; Smart Zero Fan; Native 600W PCIe 5.1 Connector; PS-TPT-0850FNFAGU-W; 5 Year Warranty
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Bottom line: The Toughpower GT 850W Snow ATX 3.1 Power Supply; 80 Plus Gold Efficiency; Smart Zero Fan; Native 600W PCIe 5.1 Connector; PS-TPT-0850FNFAGU-W; 5 Year Warranty is a niche pick — read recent reviews before buying in the power supplies & cables category, priced around $99.99. Read recent reviews carefully before committing.
The Toughpower GT Snow Series brings high-performance power delivery with a sleek white finish. Available in 750W and 850W models, these PSUs feature 80 PLUS Gold efficiency, support for the latest ATX 3.1 and PCIe Gen 5.1 standards, and come with a native 12V-2x6 (12+4 pin) connector. Equipped with Smart Zero Fan technology and a 120mm hydraulic bearing fan, they provide quiet operation and reliable power. Fully modular and backed by a 5-year warranty, the Toughpower GT Snow Series is perfect for stylish, high-performance builds. •P/N: PS-TPT-0850FNFAGU-W •MODEL: TPD-850AH2FXG-3 •Watts…
SpecPicks Verdict
SpecPicks classifies Thermaltake Toughpower GT 850W Snow ATX 3.1 Power Supply; 80 Plus… as a niche pick — read recent reviews before buying in the power supplies & cables category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Thermaltake's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for power supplies & cables 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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Backed by Thermaltake's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- 80 PLUS Gold Efficiency & ATX 3.1 Compliant: Up to 90% efficiency with ATX 3.1 compliance for reliable power and reduced energy use.
- Fully Modular Design: Low-profile white cables simplify cable management and improve airflow.
- Native PCIe 5.1 Connector: Equipped with 12V-2x6 (12+4 pin) for next-gen GPU compatibility.
- Smart Zero Fan with Quiet Operation: 120mm hydraulic bearing fan with Smart Zero Fan function ensures silent performance at low loads.
- Comprehensive Safety Protections: Includes OCP, OVP, UVP, OPP, OTP, and SCP for system safety.
Full Specifications
| Brand | Thermaltake |
|---|---|
| Wattage | 850 watts |
| Fan Size | 12 Centimeters |
| Model Name | Toughpower GT Snow 850 |
| Unit Count | 1.0 Count |
| Form Factor | ATX |
| Model Number | TPD-850AH2FXG-3 |
| Connector Type | ATX, Molex, PCI Express, SATA |
| Cooling Method | Air |
| Number of Fans | 1 |
| Output Wattage | 850 Watts |
| Item Dimensions | 5.9 x 5.5 x 3.4 inches |
| Mfr Part Number | PS-TPT-0850FNFAGU-W |
| Compatible Devices | PC |
Ready to buy?
Thermaltake Toughpower GT 850W Snow ATX 3.1 Power Supply; 80 Plus Gold Efficiency; Smart Zero Fan; Native 600W PCIe 5.1 Connector; PS-TPT-0850FNFAGU-W; 5 Year Warranty is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Related Power Supplies & Cables
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- How to Build a Windows 98 Retro PC in 2026
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- Best 1440p Gaming GPUs in 2026
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Best Retro Handhelds in 2026 — From $35 to $500
More reviews from the SpecPicks archive
Browse all reviews →- CompactFlash as a Boot Disk: A Silent, Reliable Drive for Your Win98 Retro Rig
- Ollama vs LM Studio vs GPT4All on a 12GB GPU (2026)
- Bilingual Voice Agents: Frontier ASR on Code-Switched Speech
- Best Budget Streaming & Content-Creation Gear in 2026: 5 Picks That Punch Above Their Price
- Best Budget Streaming Gear in 2026: 5 Picks to Go Live Cheap
- AMD Ryzen AI Mini PC vs a DIY RTX 3060 Build for Local LLMs
- US Forces Anthropic to Disable Claude Fable 5: Local Fallbacks
- Are We the Last Generation of PC Builders?
- HyperX QuadCast 2 S vs Blue Yeti for Streaming in 2026
- Best SSD for a Homelab NAS in 2026: Crucial BX500 vs Samsung 870 EVO vs WD Blue SN550
- Best Sim Racing Setup for 2026: Wheels, Shifters and Pedals
- Best SSD for a 1TB+ Steam Library in 2026: SATA vs NVMe Showdown
- How to run DeepSeek-R1 32B on Apple M4 Pro
- Ryzen 7 5800X3D vs Core i7-14700K: The DDR4 Gaming Faceoff for 2026 Builders
- OpenAI Codex Price War vs Running a Local Coding Model on an RTX 3060
- How to run Qwen 3 14B on Apple M4
- SANSUI 27" 4K vs KOORUI 27" QD-Mini LED: Best Sub-$400 4K Gaming Monitor
- Intel Axes BigDL/IPEX-LLM: Where Local Inference Goes Now
- GPT-5.6 Sol Reportedly Cracks a 30-Year Statistics Conjecture in 90 Minutes
- Best Controller for PC Emulation in 2026: Pro 2 vs DualSense
- Active Quake 3 and OpenArena Servers in 2026: How to Find, Join, and Host
- Ryzen AI Max 385 Mini PC: Specs and What It's Really For
- GeForce FX 5900 Ultra vs Radeon 9800 Pro: The 2003 DirectX 9 Showdown Revisited
- Build a Self-Hosted Security Camera on a Raspberry Pi 4 8GB in 2026