ASRock Steel Legend 650W Power Supply ATX 3.1 PCle iCOOL Full Modular 10 Years Warranty 135 mm FDB Fan SL-650G 80 Plus Gold Cybenetics Platinum Japanese Capacitor 5V Boost
Bottom line: The ASRock Steel Legend 650W Power Supply ATX 3.1 PCle iCOOL Full Modular is a specs-and-price decision rather than a crowd-consensus one in the power supplies category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
Pros & Cons
Pros
- ✓ ***Not compatible with all built-in computers or systems
- ✓ Backed by ASRock's warranty and support channels
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
SpecPicks Verdict
SpecPicks scored ASRock Steel Legend 650W Power Supply ATX 3.1 PCle iCOOL Full… using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. ASRock'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
- ***Not compatible with all built-in computers or systems
- 80 PLUS GOLD Certified Cybenetics PLATINUM and LAMBDA A+ Certified
- ATX3.1 Ready
- Fully Modular Cable Design
- 100% Highly Reliable Japanese Capacitors
- 135mm Striped Axial FDB Fan
Full Specifications
| Brand | ASRock |
|---|---|
| Weight | 650g |
| Wattage | 650 watts |
| Model Name | Steel Legend |
| Form Factor | ATX |
| Connector Type | ATX, PCI Express |
| Cooling Method | Air |
| Number of Fans | 1 |
| Output Wattage | 650 watts |
| Compatible Devices | Personal Computer |
| Connector Quantity | 4 |
| Power Supply Design | Full Modular |
| Number of Connectors | 4 |
| Warranty Description | 10 years |
| Maximum Input Voltage | 240 volts_of_alternating_current |
| Minimum Input Voltage | 110 volts_of_alternating_current |
| System Bus Connector Type | ATX |
| Connector Type Used on Cable | ATX, PCI Express |
| EU Spare Part Availability Duration | 10 years |
Ready to buy?
ASRock Steel Legend 650W Power Supply ATX 3.1 PCle iCOOL Full Modular 10 Years Warranty 135 mm FDB Fan SL-650G 80 Plus Gold Cybenetics Platinum Japanese Capacitor 5V Boost 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.
Related Power Supplies
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Best Retro Handhelds in 2026 — From $35 to $500
- How to Build a Windows 98 Retro PC in 2026
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Best 1440p Gaming GPUs in 2026
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
More reviews from the SpecPicks archive
Browse all reviews →- IPEX-LLM Ollama Update 2026: What's New for Intel GPU Rigs
- Building a Period-Correct 1998 Voodoo2 SLI Win98 Gaming PC in 2026: Parts, Boot Media, and Glide Setup
- Self-hosting an OpenAI-compatible LLM gateway with LiteLLM
- Ollama vs llama.cpp vs LM Studio on an RTX 3060 12GB: Which Local Runner Wins in 2026?
- RTX 5090 AI TOPS: What the Official Number Means
- Best Local LLM You Can Run on 12GB of VRAM in 2026
- Best 4K Monitor for the PS4 Pro and PS5 in 2026 (Value Pick)
- Build a Self-Hosted Security Camera on a Raspberry Pi 4 8GB in 2026
- How LAN Parties Died: A 2002-2008 Cultural Retrospective
- Retro PC storage in 2026: CompactFlash-to-IDE vs a SATA SSD for Win98/XP
- Best SSD to Upgrade a PS4 Pro: Samsung 870 EVO vs Crucial BX500
- AI-Driven Driver Install on Windows 98: TNT2, Voodoo3, and SoundBlaster Live! Walked by Claude
- Best Budget SATA SSD for Gaming and Boot Drives in 2026
- This Retro Switch 2 Dock Looks Exactly Like an N64 — and Holds Six Cards
- Qwen3.6-35B-A3B VRAM Optimization: Why Bigger Quants Win
- Best Sim Racing Setup for 2026: Wheels, Shifters and Pedals
- Best Streaming Gear for PC Gamers in 2026
- 2002 GeForce 4 Ti Win98 Build: CompactFlash Storage Done Right
- MicroPython Now Runs on the Super Nintendo — Here's What That Means
- Jellyfin on a Raspberry Pi 4 8GB in 2026: The 4K Transcode Reality Check
- Intel Core Ultra 7 270K Plus: Dual-Channel Memory Scaling Tested
- Which LLMs Actually Fit on an RTX 3060 12GB in 2026?
- Best Parts for a Local Coding-Agent Rig in 2026
- Best GPU for Stable Diffusion and Local Image Generation in 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