Seasonic

Seasonic PRIME 850 Gold SSR-850GD 850W 80+ Gold ATX12V & EPS12V Full Modular 135mm FDB Fan Power On Self Tester Power Supply

Name: Seasonic PRIME 850 Gold SSR-850GD 850W 80+ Gold ATX12V & EPS12V Full Modular 135mm FDB Fan Power On Self Tester Power Supply
Brand: Seasonic
SKU: B075M3VT1L

Status: Seasonic PRIME 850 Gold SSR-850GD 850W 80+ Gold…: Unavailable on Amazon as of 2026-10-06 10:29 UTC. SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.

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Bottom line: The Seasonic PRIME 850 Gold SSR-850GD 850W 80+ Gold ATX12V & EPS12V Full 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.

Unavailable on Amazon as of 2026-10-06 10:29 UTC

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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives:

Similar: Redragon RGMS-850W PRO 80+ Gold 850 Watt Power… — $65.99 on Amazon as of 2026-10-07 04:20 UTC (price may vary).

View Current Price — $65.99

Similar: GOLDEN FIELD 850W Power Supply 80+ Gold Full… — $99.99 on Amazon as of 2026-10-06 22:21 UTC (price may vary).

View Current Price — $99.99

Similar: Seasonic CORE GX-850 850W Power Supply ATX 3.1 &… — $129.99 on Amazon as of 2026-10-07 04:20 UTC (price may vary).

View Current Price — $129.99

Original listing (currently unavailable) → Compare to similar power supplies

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-06

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. About the author →

Pros & Cons

Pros

✓ 12 YEAR WARRANTY - Our commitment to superior quality.
✓ Backed by Seasonic'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

Manufacturer description

Its ultra-high efficiency and outstanding performance are the fine results of Seasonic's continuous commitment to innovation and advancement. Improved low-load efficiency, highly suppressed ripple noise and a generous 12-year manufacturer's warranty are just some of the characteristics that set these series apart from other power supplies on the market.

SpecPicks Verdict

SpecPicks scored Seasonic PRIME 850 Gold SSR-850GD 850W 80+ Gold ATX12V & EPS12V Full… using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. Seasonic'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

MICRO TOLERANCE LOAD REGULATION (0.5 %); This impressive electrical performance and stability makes this power supply an ideal choice for high-performance systems.
FULL MODULAR - use only the cables you need to reduce clutter and improve airflow for a better ventilated system.
80 PLUS GOLD - 87% efficient at 20% load, 90% efficient at 50% load, and 87% efficient at 100% load.
PREMIUM HYBRID FAN CONTROL; a state-of-the-art fan control that enables users to keep the overall fan noise at the lowest possible level.
12 YEAR WARRANTY - Our commitment to superior quality.

Full Specifications

Brand	Seasonic
Wattage	850
Fan Size	13.5 centimeters
Model Name	PRIME Ultra Gold
Form Factor	ATX12V
Model Number	SSR-850GD2
Built-In Media	Power supply
Connector Type	ATX, EPS
Cooling Method	Air
Item Type Name	Power supply
Number of Fans	1
Output Wattage	850
Item Dimensions	13.3 x 8 x 5.3 inches
Mfr Part Number	SSR-850GD2
Number of Items	1
Compatible Devices	Personal Computer
Power Supply Design	Full Modular
Warranty Description	12 years
Item dimensions L x W x H	13.3 x 8 x 5.3 inches
System Bus Connector Type	ATX

Ready to buy?

Amazon shows no buyable offer for Seasonic PRIME 850 Gold SSR-850GD 850W 80+ Gold… at the last check. A similar in-stock product is Redragon RGMS-850W PRO 80+ Gold 850 Watt Power…. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Similar — $65.99