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400W power supply prices

The lowest listed unit price is $0.15 per watt. Only one Newegg listing is ranked in this group.

Checked on Oct 12, 2026. US dollars; tax and shipping excluded.

Typical unit prices

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400W power supply1 listed$0.15/wattUnchanged in 7 days, unchanged in 30 days

Typical = median of the listed products. Daily lines describe the recorded sample.

Compare 400W power supply prices

FiltersModel, maker and specifications

Showing the first 1 of 1 products.

Newegg links are affiliate links; a purchase may earn a commission. Affiliate status does not affect order.

Current unit prices · Updated Oct 12, 2026
Product and specificationsNewegg priceUnit pricePrice referenceCondition and availability
TOPOWER TOP-400W 400W ATX12V / EPS12V 80 PLUS BRONZE Certified Active PFC Power Supply With 80mm FanTOPOWER TOP-400W 400W ATX12V / EPS12V 80 PLUS BRONZE Certified Active PFC Power Supply With 80mm Fan400 W · 80 Plus BronzeSpecifications from the Newegg listing$59.99View at Newegg (affiliate)Checked Oct 12, 2026$0.15 / wattLowest we have recorded since Aug 3, 2026New · In stockWarranty: not recorded

How to read this list

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. “Like it” compares a product with the others of the same wattage, condition on this page. “Lowest we have recorded” compares today's price with every daily price we have recorded for that exact product.

1 ranked product · Updated Oct 12, 2026

1 ranked product · Newegg US · Updated (19 hours ago).

Listings are on Newegg; the marketplace seller is not supplied. Prices exclude tax and shipping. Availability can change at checkout.

Download the complete category price list (CSV)

400W power supply over time

400W power supply · USD per watt · Updated Oct 12, 2026

$0.15per watt · Last observed Oct 12, 2026

Lowest recorded $0.15 on Aug 3, 2026 · Highest $0.15 on Aug 3, 2026

56 observed dates. Use the arrow keys on the chart to inspect a date.

400W power supply56 observed dates from Aug 3, 2026 to Oct 12, 2026. Range $0.15 to $0.15 per watt. Missing dates have no line. The table below contains every value.$0.15$0.65$1.15Low · Aug 3High · Aug 32026-08-032026-10-12400W power supply56 observed dates from Aug 3, 2026 to Oct 12, 2026. Range $0.15 to $0.15 per watt. Missing dates have no line. The table below contains every value.$0.15$0.65$1.15Low · Aug 3High · Aug 32026-08-032026-10-12
Daily prices and missing dates
400W power supply, updated Oct 12, 2026. Each value is the median of the products observed on that date.
DateUSD / wattProducts observed
Aug 3, 2026$0.151
Aug 4, 2026$0.151
Aug 5, 2026$0.151
Aug 6, 2026$0.151
Aug 7, 2026$0.151
Aug 8, 2026$0.151
Aug 9, 2026$0.151
Aug 10, 2026$0.151
Aug 11, 2026$0.151
Aug 12, 2026$0.151
Aug 13, 2026No observationNone
Aug 14, 2026No observationNone
Aug 15, 2026No observationNone
Aug 16, 2026No observationNone
Aug 17, 2026$0.151
Aug 18, 2026$0.151
Aug 19, 2026No observationNone
Aug 20, 2026$0.151
Aug 21, 2026$0.151
Aug 22, 2026$0.151
Aug 23, 2026$0.151
Aug 24, 2026$0.151
Aug 25, 2026$0.151
Aug 26, 2026$0.151
Aug 27, 2026No observationNone
Aug 28, 2026No observationNone
Aug 29, 2026No observationNone
Aug 30, 2026No observationNone
Aug 31, 2026No observationNone
Sep 1, 2026$0.151
Sep 2, 2026No observationNone
Sep 3, 2026$0.151
Sep 4, 2026$0.151
Sep 5, 2026$0.151
Sep 6, 2026$0.151
Sep 7, 2026$0.151
Sep 8, 2026$0.151
Sep 9, 2026$0.151
Sep 10, 2026$0.151
Sep 11, 2026$0.151
Sep 12, 2026$0.151
Sep 13, 2026$0.151
Sep 14, 2026$0.151
Sep 15, 2026$0.151
Sep 16, 2026$0.151
Sep 17, 2026$0.151
Sep 18, 2026$0.151
Sep 19, 2026$0.151
Sep 20, 2026$0.151
Sep 21, 2026$0.151
Sep 22, 2026$0.151
Sep 23, 2026No observationNone
Sep 24, 2026$0.151
Sep 25, 2026$0.151
Sep 26, 2026$0.151
Sep 27, 2026$0.151
Sep 28, 2026$0.151
Sep 29, 2026$0.151
Sep 30, 2026No observationNone
Oct 1, 2026No observationNone
Oct 2, 2026No observationNone
Oct 3, 2026$0.151
Oct 4, 2026$0.151
Oct 5, 2026$0.151
Oct 6, 2026$0.151
Oct 7, 2026$0.151
Oct 8, 2026$0.151
Oct 9, 2026$0.151
Oct 10, 2026$0.151
Oct 11, 2026$0.151
Oct 12, 2026$0.151
2026-08-03: collected2026-08-04: collected2026-08-05: collected2026-08-06: collected2026-08-07: collected2026-08-08: collected2026-08-09: collected2026-08-10: collected2026-08-11: collected2026-08-12: collected2026-08-13: no observation2026-08-14: no observation2026-08-15: no observation2026-08-16: no observation2026-08-17: collected2026-08-18: collected2026-08-19: no observation2026-08-20: collected2026-08-21: collected2026-08-22: collected2026-08-23: collected2026-08-24: collected2026-08-25: collected2026-08-26: collected2026-08-27: no observation2026-08-28: no observation2026-08-29: no observation2026-08-30: no observation2026-08-31: no observation2026-09-01: collected2026-09-02: no observation2026-09-03: collected2026-09-04: collected2026-09-05: collected2026-09-06: collected2026-09-07: collected2026-09-08: collected2026-09-09: collected2026-09-10: collected2026-09-11: collected2026-09-12: collected2026-09-13: collected2026-09-14: collected2026-09-15: collected2026-09-16: collected2026-09-17: collected2026-09-18: collected2026-09-19: collected2026-09-20: collected2026-09-21: collected2026-09-22: collected2026-09-23: no observation2026-09-24: collected2026-09-25: collected2026-09-26: collected2026-09-27: collected2026-09-28: collected2026-09-29: collected2026-09-30: no observation2026-10-01: no observation2026-10-02: no observation2026-10-03: collected2026-10-04: collected2026-10-05: collected2026-10-06: collected2026-10-07: collected2026-10-08: collected2026-10-09: collected2026-10-10: collected2026-10-11: collected2026-10-12: collected
56 collection days · 15 missed · Aug 3, 2026 to Oct 12, 2026

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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