Seasonic Prime TX-1600
Expert rating9.3 / 10
- Wattage:
- 1600 W
- 80 PLUS Rating:
- Titanium
- Modularity:
- Fully Modular
- ATX Standard:
- ATX 3.0
Consumercarts is reader-supported. Learn more
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Manufacturer: Seasonic Last updated: 2026-09-12
Seasonic Prime TX-1600 (1600W/80+ Titanium/ATX 3.0/Flagship Extreme Tier) Review
Seasonic Prime TX-1600 1600W 80 Plus Titanium fully modular power supply, ATX 3.0 certified, ATX form factor, native 12V-2x6/12VHPWR connector, 12-year warranty, Seasonic (in-house) platform.
The Seasonic Prime TX-1600 is Seasonic's Titanium flagship for extreme multi-GPU and high-core-count workstation builds, built entirely in-house rather than outsourced to a third-party OEM. Rated 1600W at 80 PLUS Titanium (Cybenetics Titanium efficiency / A++ noise), it's built on a Seasonic (in-house) platform with a 135mm fluid dynamic bearing fan running a zero-RPM semi-passive mode at idle. Fully Modular cabling and a 170mm chassis depth make it a realistic fit for an extreme multi-GPU or high-core-count workstation, and it's backed by a 12-year warranty.
Efficiency, Noise, and Build Quality
The Prime TX-1600 carries an 80 PLUS Titanium certification and a Cybenetics Titanium efficiency / A++ noise rating, translating to consistently high real-world efficiency at typical 50% load and low fan noise thanks to its 135mm fluid dynamic bearing, Hybrid Silent fan control. It uses a Seasonic (in-house) platform with Japanese-made capacitors throughout for long-term reliability under sustained load.
Connectors and Cabling
Connector layout is 1x 24-pin ATX, 2x EPS 4+4, 1x 12V-2x6 (600W), 6x PCIe 6+2-pin, 10x SATA, 4x Molex. With 1 native 12V-2x6 connector(s) rated to deliver up to 600W to a single GPU, there's no need for a 4x8-pin-to-12VHPWR adapter on current-generation flagship cards. Cabling is fully modular, using standard flat or ribbon cables, with a single +12V rail design that simplifies load balancing across connectors.
Comparison to Alternatives
Against the Silverstone SX800-LTI (Silverstone's 800W SFX-L Titanium flagship), the Seasonic Prime TX-1600 matches its wattage class but differs on connector generation and OEM platform, making the choice mostly about brand ecosystem, warranty length (12 years here), and whether native 12V-2x6 connectors matter for your GPU. Compared with the Corsair RM1000x (Corsair's ATX 3.1-certified 1000W Gold benchmark), the Prime TX-1600 sits in the flagship extreme bracket at 1600W, so the decision usually comes down to matching wattage headroom to your actual GPU/CPU combo rather than one being categorically better.
Specifications
Identity
| Brand | Seasonic |
|---|---|
| Model Number | Prime TX-1600 |
Output and rails
| Single +12V Rail | Yes |
|---|
Form factor and fit
| Length | 170 mm |
|---|---|
| Colour | Black |
Build quality
| MTBF | 100000 hours |
|---|
Cables
| Modularity | Fully Modular |
|---|
Monitoring, protection and price
| Protections | OCP, OVP, OPP, SCP, OTP, UVP |
|---|---|
| Price | 459.99 USD |
| Warranty | 12 years |
| Wattage | 1600 W |
|---|---|
| 80 PLUS Rating | Titanium |
| ATX Standard | ATX 3.0 |
| Form Factor | ATX |
| Cybenetics Efficiency | Titanium |
| Cybenetics Noise | A++ |
| 12V-2x6 Connectors | 1 |
| Zero-RPM Mode | Yes |
| Sleeved Cables | No |
| PCIe 8-pin Connectors | 6 |
| Connector Count | 1x 24-pin ATX, 2x EPS 4+4, 1x 12V-2x6 (600W), 6x PCIe 6+2-pin, 10x SATA, 4x Molex |
| Fan Size | 135 mm |
| Fan Model / Bearing | 135mm fluid dynamic bearing, Hybrid Silent fan control |
| OEM / Platform | Seasonic (in-house) |
| Japanese Capacitors | Yes |
| Cable Lengths | ATX 610mm, EPS 650-750mm, PCIe 750-800mm, SATA 730-980mm |
Expert Review
Reviewed by Burooj Alam. Rated by us, not by users.
Expert rating9.3 / 10
A best-in-class 1600W Titanium-rated ATX unit for an extreme multi-GPU or high-core-count workstation, held back only by its premium price.
Best for
- Builders targeting an extreme multi-GPU or high-core-count workstation
- Anyone who wants fully modular cabling with native 12V-2x6 support
- Systems where a 12-year warranty and Titanium-tier efficiency matter
Not for
- Builds needing more than 1600W of continuous headroom
- Buyers who need the smallest possible SFX/SFX-L footprint
- Cost-sensitive builds better served by a lower-tier 80+ Bronze unit
FAQs
What are the key specifications of the Seasonic Prime TX-1600 (1600W/80+ Titanium/ATX 3.0/Flagship Extreme Tier)?
The Seasonic Prime TX-1600 (1600W/80+ Titanium/ATX 3.0/Flagship Extreme Tier) is a power supply from Seasonic. Key specs: Wattage 1600 W, 80 PLUS Rating Titanium, Cybenetics Efficiency Titanium, Cybenetics Noise A++, Modularity Fully Modular.
Will the Seasonic Prime TX-1600 (1600W/80+ Titanium/ATX 3.0/Flagship Extreme Tier) work with my current setup?
The Seasonic Prime TX-1600 (1600W/80+ Titanium/ATX 3.0/Flagship Extreme Tier) lists Wattage is 1600 W. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits.
Who is the Seasonic Prime TX-1600 (1600W/80+ Titanium/ATX 3.0/Flagship Extreme Tier) best suited to?
It suits builders targeting an extreme multi-gpu or high-core-count workstation, anyone who wants fully modular cabling with native 12v-2x6 support, systems where a 12-year warranty and titanium-tier efficiency matter.
What are the drawbacks of the Seasonic Prime TX-1600 (1600W/80+ Titanium/ATX 3.0/Flagship Extreme Tier)?
It is a poor fit for builds needing more than 1600w of continuous headroom, buyers who need the smallest possible sfx/sfx-l footprint, cost-sensitive builds better served by a lower-tier 80+ bronze unit.
Compare and read more
- Antec HCG850 Gold Extreme (850W/80+ Gold/Fully Modular/ATX 3.0/High-End Tier) vs Seasonic Prime TX-1600 (1600W/80+ Titanium/ATX 3.0/Flagship Extreme Tier)
- be quiet! Pure Power 12 550W (550W/80+ Gold/Semi-Modular/ATX 2.x/Mainstream Value Pick) vs Seasonic Prime TX-1600 (1600W/80+ Titanium/ATX 3.0/Flagship Extreme Tier)
- ASUS TUF Gaming 750W Bronze (750W/80+ Bronze/Semi-Modular/ATX 2.x/Mainstream Gaming Tier) vs Seasonic Prime TX-1600 (1600W/80+ Titanium/ATX 3.0/Flagship Extreme Tier)
- be quiet! Dark Power 13 1000W (1000W/80+ Titanium/ATX 3.0/High-End/Multi-Gpu Tier) vs Seasonic Prime TX-1600 (1600W/80+ Titanium/ATX 3.0/Flagship Extreme Tier)
- Antec Signature 1300 Platinum (1300W/80+ Platinum/ATX 3.0/Flagship Extreme Tier) vs Seasonic Prime TX-1600 (1600W/80+ Titanium/ATX 3.0/Flagship Extreme Tier)