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be quiet! Pure Power 12 550W vs Seasonic Prime TX-1000: Comparison
be quiet! Pure Power 12 550W vs Seasonic Prime TX-1000 wattage compared
The gap that matters here is wattage: be quiet! Pure Power 12 550W 550 W against Seasonic Prime TX-1000 1000 W, which puts Seasonic Prime TX-1000 45% ahead. Pcie 8-pin connectors runs the same way, 2 on the be quiet! Pure Power 12 550W versus 6 on the Seasonic Prime TX-1000, another win for Seasonic Prime TX-1000. Warranty runs the same way, 10 years on the be quiet! Pure Power 12 550W versus 12 years on the Seasonic Prime TX-1000, another win for Seasonic Prime TX-1000. Add hold-up time to that, 16.6 ms on the be quiet! Pure Power 12 550W versus 22 ms on the Seasonic Prime TX-1000, and the pattern holds.
Which should you buy, be quiet! Pure Power 12 550W or Seasonic Prime TX-1000?
The be quiet! Pure Power 12 550W is the one to take for Quiet mainstream gaming builds and RTX 4060/RX 7600-class GPUs, though it is not built for anyone wanting fully modular cables and high-end or multi-GPU builds. The Seasonic Prime TX-1000 suits high-end single-GPU gaming builds (RTX 4080/4090-class cards) and builders who want Titanium-tier efficiency with future GPU upgrade headroom, though it is not the pick for budget builds where a 550-650W unit would be sufficient and extreme dual-GPU or workstation rigs needing 1200W+. Our rating of the be quiet! Pure Power 12 550W (7.8/10): A quiet, Gold-rated 550W unit that's the right call for mainstream builds that don't need full modularity.
Which is cheaper, be quiet! Pure Power 12 550W or Seasonic Prime TX-1000?
The Seasonic Prime TX-1000 asks 260% more, $270 against $74.99 for the be quiet! Pure Power 12 550W.
Frequently asked questions
Do the be quiet! Pure Power 12 550W and Seasonic Prime TX-1000 differ on fan size?
Yes. Fan Size reads 120 mm on the be quiet! Pure Power 12 550W versus 135 mm on the Seasonic Prime TX-1000.
Is the Form Factor the same on the be quiet! Pure Power 12 550W and Seasonic Prime TX-1000?
It is. Both are listed at ATX, so it is not a reason to pick one over the other.
Which is cheaper, be quiet! Pure Power 12 550W or Seasonic Prime TX-1000?
The Seasonic Prime TX-1000 asks 260% more, $270 against $74.99 for the be quiet! Pure Power 12 550W.
Specs and benchmarks
Brand
- be quiet! Pure Power 12 550W
- be quiet!
- Seasonic Prime TX-1000
- Seasonic
Wattage
- be quiet! Pure Power 12 550W
- 550 W-45%
- Seasonic Prime TX-1000
- 1000 WBest
80 PLUS Rating
- be quiet! Pure Power 12 550W
- Gold
- Seasonic Prime TX-1000
- Titanium
Model Number
- be quiet! Pure Power 12 550W
- Pure Power 12 550W
- Seasonic Prime TX-1000
- Prime TX-1000
ATX Standard
- be quiet! Pure Power 12 550W
- ATX 3.1
- Seasonic Prime TX-1000
- ATX 3.0
Form Factor
- be quiet! Pure Power 12 550W
- ATX
- Seasonic Prime TX-1000
- ATX
+12V Rail Amperage
- be quiet! Pure Power 12 550W
- 45.8 A
- Seasonic Prime TX-1000
- 83 A
Single +12V Rail
- be quiet! Pure Power 12 550W
- Yes
- Seasonic Prime TX-1000
- Yes
12V-2x6 Connectors
- be quiet! Pure Power 12 550W
- 1
- Seasonic Prime TX-1000
- 1
Hold-Up Time
- be quiet! Pure Power 12 550W
- 16.6 ms-25%
- Seasonic Prime TX-1000
- 22 ms
Zero-RPM Mode
- be quiet! Pure Power 12 550W
- No
- Seasonic Prime TX-1000
- Yes
Sleeved Cables
- be quiet! Pure Power 12 550W
- Yes
- Seasonic Prime TX-1000
- Yes
PCIe 8-pin Connectors
- be quiet! Pure Power 12 550W
- 2-67%
- Seasonic Prime TX-1000
- 6
Connector Count
- be quiet! Pure Power 12 550W
- 1x 24-pin ATX, 1x EPS 4+4, 1x 12V-2x6, 2x PCIe 6+2-pin, 5x SATA, 1x Molex (all fixed)
- Seasonic Prime TX-1000
- 1x 24-pin ATX, 2x EPS 4+4, 1x 12V-2x6 (600W), 6x PCIe 6+2-pin, 8x SATA, 4x Molex
Fan Size
- be quiet! Pure Power 12 550W
- 120 mm
- Seasonic Prime TX-1000
- 135 mm
Fan Model / Bearing
- be quiet! Pure Power 12 550W
- 120mm be quiet! fan, rifle bearing
- Seasonic Prime TX-1000
- Fluid Dynamic
OEM / Platform
- be quiet! Pure Power 12 550W
- HEC
- Seasonic Prime TX-1000
- Seasonic
Cable Lengths
- be quiet! Pure Power 12 550W
- 24-pin 600mm, max cable length 550mm
- Seasonic Prime TX-1000
- 24-pin 610mm, EPS 650mm, 12V-2x6 610mm, PCIe 650mm, SATA 900mm
Length
- be quiet! Pure Power 12 550W
- 160 mm
- Seasonic Prime TX-1000
- 170 mm
Colour
- be quiet! Pure Power 12 550W
- Black
- Seasonic Prime TX-1000
- Black
MTBF
- be quiet! Pure Power 12 550W
- 100000 hours
- Seasonic Prime TX-1000
- 100000 hours
Modularity
- be quiet! Pure Power 12 550W
- Non-Modular
- Seasonic Prime TX-1000
- Fully Modular
Protections
- be quiet! Pure Power 12 550W
- OTP, OCP, OPP, SCP, OVP, UVP, SIP
- Seasonic Prime TX-1000
- OCP, OVP, OPP, SCP, OTP, UVP
Price
- be quiet! Pure Power 12 550W
- 74.99 USD
- Seasonic Prime TX-1000
- 269.99 USD
Warranty
- be quiet! Pure Power 12 550W
- 10 years-17%
- Seasonic Prime TX-1000
- 12 yearsBest
Which one should you pick?
Choose be quiet! Pure Power 12 550W if you want the higher 12V-2x6 connectors (1 vs 1) and the higher MTBF (100000 hours vs 100000 hours).
Choose Seasonic Prime TX-1000 if you want the higher wattage (1000 W vs 550 W), the higher Hold-Up time (22 ms vs 16.6 ms) and the higher PCIe 8-pin connectors (6 vs 2).
Price comparison
| Retailer | be quiet! Pure Power 12 550W | Seasonic Prime TX-1000 |
|---|---|---|
| Amazon | $74.99 View on Amazon | |
| Consumercarts listing | $269.99 View on Consumercarts listing |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Verdict
be quiet! Pure Power 12 550W
7.8 / 10 Expert Rating
A quiet, Gold-rated 550W unit that's the right call for mainstream builds that don't need full modularity.
Seasonic Prime TX-1000
9.2 / 10 Expert Rating
The Prime TX-1000 trades the flagship TX-1600's extreme headroom for a more affordable 1000W Titanium unit that still ships with sleeved cables and Seasonic's 12-year warranty.




