Thermaltake
Thermaltake Toughpower GF A3 1050W
Bottom line: The Thermaltake Toughpower GF A3 1050W ($162.99 on Amazon as of 2026-10-06): Native 600W 12V-2x6 connector runs RTX 50 series without adapters; main trade-off: single +12V rail gives no per-rail overcurrent isolation.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Native 600W 12V-2x6 connector runs RTX 50 series without adapters
- ✓ ATX 3.1 / PCIe 5.1 compliant for GPU transient power spikes
- ✓ 80 Plus Gold efficiency at 1050W of headroom
- ✓ 10-year warranty, unusually long for a 1050W unit
- ✓ Fully modular flat low-profile cables ease case routing
Cons
- ✗ Single +12V rail gives no per-rail overcurrent isolation
- ✗ No 80 Plus Platinum or Titanium option in the A3 line
- ✗ Only one native 12V-2x6 cable, limiting dual-GPU 600W setups
Manufacturer description
Toughpower GF A3 Gold series comes with a 16pin connector to offer powerful and stable performance allowing the PSU to natively run next-generation GPUs. The wattage marked on the 12V-2x6 connector is the recommended wattage. (Ref. Intel design guideline) The native 16 PIN (12V-2x6) PCIe connector of the GF A3 1050W can deliver up to 600W for PCIe 5.1 graphics cards. Note: 1. Recommended wattage is an estimation of system power demand. Actual power demands may vary based on specific components, usage, and many other factors. 2. Please follow the recommended power requirements from the GPU…
SpecPicks Verdict
SpecPicks scored Thermaltake Toughpower GF A3 1050W using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. Thermaltake'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
- 80 Plus Gold Certified and Fully Compatible with Intel ATX 3.1 Standards
- PCIe Gen 5.1 Ready with 12V-2x6 Connector
- Made to Comply with the Latest Graphics Cards
- High Amperage Single +12V Rail & High-Class Technologies
- Fully Modular Low-Profile Flat Cables
Full Specifications
| Brand | Thermaltake |
|---|---|
| Wattage | 1050 watts |
| Model Name | GF A3 1050 |
| Unit Count | 1 Count |
| Form Factor | ATX |
| Model Number | TTP-1050AH2FLG |
| Connector Type | ATX, PCI Express |
| Cooling Method | Air |
| Number of Fans | 1 |
| Output Wattage | 1050 watts |
| Item Dimensions | 5.9 x 3.4 x 5.5 inches |
| Mfr Part Number | PS-TPD-1050FNFAGU-L |
| Number of Items | 1 |
| Compatible Devices | Personal Computer |
| Connector Quantity | 8 |
| Power Supply Design | Full Modular |
| Warranty Description | 10 Year Manufacturer |
| Maximum Input Voltage | 240 volts_of_alternating_current |
| Minimum Input Voltage | 100 volts_of_alternating_current |
| Item dimensions L x W x H | 5.9 x 3.4 x 5.5 inches |
| Full listing title | Thermaltake Toughpower GF A3 1050W, True 600W 12V-2x6 Connectors on PSU & NVIDIA RTX 50 Series, ATX 3.1/PCI-E 5.1, 80+ Gold, SLI/Crossfire Ready Power Supply, PS-TPD-1050FNFAGU-L, 10 Year Warranty |
Ready to buy?
Thermaltake Toughpower GF A3 1050W, True 600W 12V-2x6 Connectors on PSU & NVIDIA RTX 50 Series, ATX 3.1/PCI-E 5.1, 80+ Gold, SLI/Crossfire Ready Power Supply, PS-TPD-1050FNFAGU-L, 10 Year Warranty 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.
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Related Power Supplies
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Best 1440p Gaming GPUs in 2026
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- How to Build a Windows 98 Retro PC in 2026
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- 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 →- Amstrad CPC 464/6128 Emulator on Raspberry Pi Pico 2
- N100 Mini PC vs Raspberry Pi 4 for Home Assistant in 2026
- Run a Local LLM on a Raspberry Pi 4 8GB: What Works in 2026
- Gemma 4 12B Runs Local: Best 12GB GPUs for Google's New Open Model
- Logitech G920 vs Thrustmaster: Best Beginner Sim Racing Setup 2026
- 256GB microSD Drops to $32 — but for a Game Library, a SATA SSD Still Wins
- Best CPU for Streaming and Gaming Under $300 (2026)
- Local LLM on Mac: The 2026 Setup Guide
- Adafruit Reverse-Engineers the Creative Katana V2X Soundbar
- Is the RTX 5050 Really as Bad as Everyone Says?
- Build a Pocket Retro Emulation Handheld on the Raspberry Pi Zero W in 2026
- OpenAI Just Beat Every Human at AtCoder — Can You Run a Coding LLM Locally?
- Best Gaming Mouse for FPS Esports Under $80 (2026)
- Claude Fable 5 Launches at #1 on the Intelligence Index — What Local Builders Should Take Away
- Build an 8-Node Raspberry Pi Cluster for Distributed Computing (2026)
- Is the RTX 3060 12GB Still Worth Buying in 2026?
- FIDECO vs Unitek vs Vantec: Best IDE/SATA-to-USB Adapter for Retro PCs
- Linux Fu: Upcycling an Old Router in 2026
- Ryzen 5 5600G vs Ryzen 7 5700X for a 2026 Home Lab
- HyperX QuadCast 2 vs Blue Yeti: Best USB Mic for Streaming and Podcasting in 2026
- Raspberry Pi 4 8GB vs Ryzen 5 5600X: Gemma 3 1B Always-On
- Best SATA SSDs for Gaming and Retro PC Builds in 2026
- Logitech G502 Hero vs SteelSeries QcK: The Cheap FPS Setup That Still Wins in 2026
- Period-Correct 1999 Voodoo2 SLI + Pentium III LAN-Party Build Log (2026)
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090