Seasonic PRIME TX-1300
1300W · 80+ Titanium · 12VHPWR
be quiet! Straight Power 12 850W
850 W · Platinum
Seasonic PRIME TX-1300 takes it — here’s why.
In our weighted Specdex score, Seasonic PRIME TX-1300 lands at 93 and be quiet! Straight Power 12 850W at 90. That puts Seasonic PRIME TX-1300 ahead by 3 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Seasonic PRIME TX-1300 if…
- ✓80+ Titanium efficiency
- ✓12-year warranty
- ✓Pure-DC fan profile
Pick be quiet! Straight Power 12 850W if…
- ✓Modular cabling on most
- ✓ATX 3.1 / 12V-2x6 support
- ✓10-year warranty on many
Winner by scenario
Derived from the sub-score breakdown · not a separate testEfficiency
Seasonic PRIME TX-1300Compared on the efficiency sub-score
Seasonic PRIME TX-1300 leads on efficiency (100 vs 90).
Value for money
be quiet! Straight Power 12 850WSpecdex score per dollar at MSRP
be quiet! Straight Power 12 850W more score per dollar ($199 vs $359).
Score breakdown
Specs side-by-side
| Spec | Seasonic PRIME TX-1300 | be quiet! Straight Power 12 850W |
|---|---|---|
| Wattage | 1300W | 850 W |
| Efficiency | 80+ Titanium | Platinum |
| Cooling | 135 mm fluid-dynamic-bearing fan | — |
| Modular | Fully modular | — |
| 12VHPWR | Native cable included | — |
| Warranty | 12 years | — |
Seasonic PRIME TX-1300
- +80+ Titanium efficiency
- +12-year warranty
- +Pure-DC fan profile
- −Premium pricing
- −Heavier than Gold-rated equivalents
- −Cables stiff
be quiet! Straight Power 12 850W
- +Modular cabling on most
- +ATX 3.1 / 12V-2x6 support
- +10-year warranty on many
- −Bulky on higher wattages
- −Fan noise varies by load
- −Cable length may not fit some cases
FAQ: Seasonic PRIME TX-1300 vs be quiet! Straight Power 12 850W
Which is better, Seasonic PRIME TX-1300 or be quiet! Straight Power 12 850W? +
Seasonic PRIME TX-1300 scores 93 on our weighted rubric — ahead by 3. Your best pick depends on the sub-scores above.
Is Seasonic PRIME TX-1300 worth the price? +
At $359, Seasonic PRIME TX-1300 delivers a Specdex score of 93 — strongest in efficiency.
Is be quiet! Straight Power 12 850W worth the price? +
At $199, be quiet! Straight Power 12 850W delivers a Specdex score of 90 — strongest in efficiency.
Does Seasonic PRIME TX-1300 or be quiet! Straight Power 12 850W last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.
Which is better for efficiency, Seasonic PRIME TX-1300 or be quiet! Straight Power 12 850W? +
Seasonic PRIME TX-1300 — leads on efficiency (100 vs 90). Compared on the efficiency sub-score.
Which is the better value, Seasonic PRIME TX-1300 or be quiet! Straight Power 12 850W? +
be quiet! Straight Power 12 850W — more score per dollar ($199 vs $359). Specdex score per dollar at MSRP.