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ASRock

ASRock PRO-850B Power Supply - 850W 80 Plus Bronze Certified, ATX 3.1 Ready, PCIe 5.1 Compatible, 120mm Fan, Full Protection Circuit, 3-Year Warranty

✅ In stock
C
Grade
🙂 Fair Price
47.45/100
Current Price
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
$55.99
Listed $55.99
Analysis Confidence 90%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Oct 3, 2026 2:14 PM · Prices & availability subject to change

Is This a Good Price on Amazon?

🙂 Fair Price
  • 🙂Verdict: Fair Price. Small discount vs history. Consider waiting for a better drop.
  • 💰At 14% off its standard going rate, this offer delivers clear value for the money.
  • 📉Better-priced windows have occurred before, though not frequently — today's price is reasonably competitive.
  • 📈Prices have been moving higher lately — waiting risks paying more if that momentum continues.

How We Scored This Deal

Price Competitiveness 15.79/28
Recent Value 14.02/22
Market Standing 12.63/20
Deal Strength 5/20
Momentum 0/10

📝 Product Overview

🏪 Sold by ASRock USA
🚚 Shipping Free Shipping

Product Details

✓850W Bronze Efficiency: 80 PLUS Bronze certified with reliable power delivery for mid-range to high-end system builds
✓ATX 3.1 Compatible: Meets latest ATX 3.1 standards with 200% total power excursion capability for next-gen components
✓PCIe 5.1 Ready: Includes native 12V-2x6 connector (12+4pin) for modern graphics cards alongside traditional PCIe connectors
✓Strong 12V Output: Delivers 70.8A on the +12V rail for stable CPU and GPU power delivery
✓Comprehensive Protections: Features OCP, OVP, UVP, OPP, OTP, and SCP for complete system safety
✓Quiet 120mm Cooling: Balanced fan design maintains low noise levels during operation
✓All-Taiwanese Capacitors: Quality components ensure durability and long-term reliability

⚙️ Specifications

Model Name
PRO-850B
Brand
ASRock
Compatible Devices
Personal Computer
Connector Type
PCI Express, SATA
Output Wattage
850 watts
Form Factor
ATX
Wattage
850 watts
Cooling Method
Air
Item dimensions L x W x H
5.51 x 5.91 x 3.39 inches
Maximum Input Voltage
264 volts_of_alternating_current
Connector Type Used on Cable
PCI Express, SATA
C
$55.99
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