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450W power supply prices

The lowest listed unit price is $0.18 per watt. The median is $0.25 per watt, across 6 ranked Newegg listings.

Updated Sep 28, 2026. US dollars; tax and shipping excluded.

Compare 450W power supply prices

6 ranked products · Newegg US · Updated (7 hours ago).

Listings are on Newegg; the marketplace seller is not supplied. Prices exclude tax and shipping. Availability can change at checkout. Newegg links are affiliate links; a purchase may earn a commission. Affiliate status does not affect order.

Filter by model, manufacturer, condition or specification

Generation, speed, latency, socket, interface and form factor can be searched together. Listing-title specifications are labelled on each row; they do not establish fit. “New” means the listing is not labelled used or refurbished. A missing warranty is unknown.

Showing 6 of 6 products.

Current unit prices · Updated Sep 28, 2026
Product and specificationsNewegg priceUnit pricePrice referenceCondition and availability
FSP 450W Mini ITX Solution/ SFX 12V / Micro ATX 80 Plus Bronze Certified Power Supply (FSP450-50SAC)450 WSpecifications from the Newegg listing$79.99 · View at Newegg (affiliate)Updated Sep 28, 2026 · 7h old$0.18 / wattBest listed value · better unit price than 100% of 6 in the same wattage, condition group on this pageLaunch reference not recordedListing reference $89.99 · 11.1% lower; not a recorded previous salenew · in-stockWarranty: not recorded
SILVERSTONE SFX Series 80 Plus Bronze Certificated SST-ST45SF-V3 450W SFX Active PFC Power Supply450 WSpecifications from the Newegg listing$99.99 · View at Newegg (affiliate)Updated Sep 28, 2026 · 7h old$0.22 / wattHigher value · better unit price than 80% of 6 in the same wattage, condition group on this pageLaunch reference not recordednew · in-stockWarranty: not recorded
CORSAIR VS Series, VS450, 450 Watt (450W), Active PFC, 80 PLUS White Certified Power Supply450 WSpecifications from the Newegg listing$107.20 · View at Newegg (affiliate)Updated Sep 28, 2026 · 7h old$0.24 / wattMiddle range · better unit price than 60% of 6 in the same wattage, condition group on this pageLaunch reference not recordednew · in-stockWarranty: not recorded
ASUS TUF GAMING 450W Bronze PSU, Power Supply (Axial-tech Fan Design, Dual Ball Fan Bearings, 0dB Technology, 80 PLUS Bronze Certification, 80cm...450 WSpecifications from the Newegg listing$115.53 · View at Newegg (affiliate)Updated Sep 28, 2026 · 7h old$0.26 / wattMiddle range · better unit price than 40% of 6 in the same wattage, condition group on this pageLaunch reference not recordednew · in-stockWarranty: not recorded
EVGA SuperNOVA 450 GM, 80 Plus Gold 450W, Fully Modular, ECO Mode with DBB Fan, Includes Power ON Self Tester, SFX Form Factor, Power Supply,...450 WSpecifications from the Newegg listing$239.00 · View at Newegg (affiliate)Updated Sep 28, 2026 · 7h old$0.53 / wattLower value · better unit price than 20% of 6 in the same wattage, condition group on this pageLaunch reference not recordednew · in-stockWarranty: not recorded
Silverstone SST-ST45SF-G 450W SFX/ATX Modular Power Supply450 WSpecifications from the Newegg listing$267.18 · View at Newegg (affiliate)Updated Sep 28, 2026 · 7h old$0.59 / wattLower value · better unit price than 0% of 6 in the same wattage, condition group on this pageLaunch reference not recordednew · in-stockWarranty: not recorded

450W power supply over time

450W power supply · USD per watt · Updated Sep 28, 2026
450W power supply45 observed dates from Aug 3, 2026 to Sep 28, 2026. Range $0.25 to $0.41 per watt. Missing dates have no line. The table below contains every value.$0.25$0.33$0.412026-08-032026-09-28450W power supply45 observed dates from Aug 3, 2026 to Sep 28, 2026. Range $0.25 to $0.41 per watt. Missing dates have no line. The table below contains every value.$0.25$0.33$0.412026-08-032026-09-28
Daily prices and missing dates
450W power supply, updated Sep 28, 2026. Each value is the median of the products observed on that date.
DateUSD / wattProducts observed
Aug 3, 2026$0.266
Aug 4, 2026$0.266
Aug 5, 2026$0.266
Aug 6, 2026$0.256
Aug 7, 2026$0.256
Aug 8, 2026$0.256
Aug 9, 2026$0.285
Aug 10, 2026$0.285
Aug 11, 2026$0.414
Aug 12, 2026$0.414
Aug 13, 2026No observationNone
Aug 14, 2026No observationNone
Aug 15, 2026No observationNone
Aug 16, 2026No observationNone
Aug 17, 2026$0.414
Aug 18, 2026$0.404
Aug 19, 2026No observationNone
Aug 20, 2026$0.404
Aug 21, 2026$0.275
Aug 22, 2026$0.306
Aug 23, 2026$0.286
Aug 24, 2026$0.266
Aug 25, 2026$0.266
Aug 26, 2026$0.266
Aug 27, 2026No observationNone
Aug 28, 2026No observationNone
Aug 29, 2026No observationNone
Aug 30, 2026No observationNone
Aug 31, 2026No observationNone
Sep 1, 2026$0.286
Sep 2, 2026No observationNone
Sep 3, 2026$0.265
Sep 4, 2026$0.265
Sep 5, 2026$0.265
Sep 6, 2026$0.265
Sep 7, 2026$0.265
Sep 8, 2026$0.265
Sep 9, 2026$0.265
Sep 10, 2026$0.265
Sep 11, 2026$0.265
Sep 12, 2026$0.265
Sep 13, 2026$0.255
Sep 14, 2026$0.255
Sep 15, 2026$0.255
Sep 16, 2026$0.255
Sep 17, 2026$0.255
Sep 18, 2026$0.256
Sep 19, 2026$0.256
Sep 20, 2026$0.256
Sep 21, 2026$0.256
Sep 22, 2026$0.256
Sep 23, 2026No observationNone
Sep 24, 2026$0.256
Sep 25, 2026$0.256
Sep 26, 2026$0.256
Sep 27, 2026$0.256
Sep 28, 2026$0.256

Daily medians use identifiable products in this list; product availability and mix can change. Missing collection dates remain gaps.

Compare the supply, not just the wattage

A lower price per watt does not measure power quality. Check the manufacturer's stated form factor, ATX specification, GPU connectors and warranty against your build.

Manufacturer-matched supplies in this tier
Model80 PLUS ratingATX specificationWarranty

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