Seasonic · Released Jun 2023 Last verified June 8, 2026

Seasonic Prime TX-1600 Review

Name: Seasonic Prime TX-1600
Brand: Seasonic

1600 W · Titanium

Specdex verdict The Seasonic Prime TX-1600 is one of the strongest products in its category — Specdex's editor's pick at flagship tier.

Seasonic's Seasonic Prime TX-1600 — 1600 W Titanium PSU.

All Seasonic Prime TX-1600 matchups → From $549

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Seasonic Prime TX-1600 — 1600 W · Titanium

Specdex verdict

Editor’s Pick

Specdex doesn't run benchmarks in-house. The verdict is an editorial assessment based on manufacturer specs and public reviewer consensus. See methodology.

Compare

Seasonic Prime TX-1600 versus its closest rivals

All matchups →

Editorial · Specdex take

Pros

+Modular cabling on most
+ATX 3.1 / 12V-2x6 support
+10-year warranty on many

Cons

−Bulky on higher wattages
−Fan noise varies by load
−Cable length may not fit some cases

Who's the Seasonic Prime TX-1600 for?

Quick verdicts for the most common buyer profiles, derived from the sub-scores above.

Power users and creators Skip

Compute scores trail current top-tier — look at our step-up alternatives below if performance is the priority.

Budget-conscious buyers Consider

Mid-tier pricing at $549 — review whether the score-per-dollar lines up against the cheaper alternatives we recommend.

In the box

What you get when you unbox the Seasonic Prime TX-1600.

Power supply
AC power cable
Modular cables
Mounting screws
Cable ties

Standard contents — region/SKU may vary; confirm at retailer.

Sources & benchmarks

Cited, not generated

Specdex does not run benchmarks in-house. We're rolling out cited public benchmark data category by category — PassMark for CPUs and GPUs is wired today; DXOMark, RTINGS, Geekbench, and NotebookCheck will follow.

Sources we use when available: PassMark for CPU/GPU, Geekbench Browser for synthetic, DXOMark for camera scores, RTINGS for TVs, monitors, and headphones. See methodology.