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be quiet! Pure Power 12 850W vs Thermaltake Smart BX3 650W: Comparison
be quiet! Pure Power 12 850W vs Thermaltake Smart BX3 650W: the warranty difference
The gap that matters here is warranty: be quiet! Pure Power 12 850W 10 years against Thermaltake Smart BX3 650W 5 years, which puts be quiet! Pure Power 12 850W 50% ahead. Wattage runs the same way, 850 W on the be quiet! Pure Power 12 850W versus 650 W on the Thermaltake Smart BX3 650W, another win for be quiet! Pure Power 12 850W. Pcie 8-pin connectors runs the same way, 3 on the be quiet! Pure Power 12 850W versus 2 on the Thermaltake Smart BX3 650W, another win for be quiet! Pure Power 12 850W.
be quiet! Pure Power 12 850W vs Thermaltake Smart BX3 650W: which one fits your build
Take the be quiet! Pure Power 12 850W for buyers who want be quiet!'s established brand reputation at a genuinely competitive price. This matches newer-brand value pricing while carrying a longer track record. The same goes for high-end gaming builds needing 850W of Gold-rated headroom on a moderate budget. Comfortably covers current-generation demanding GPU and CPU pairings. It is the wrong buy for buyers who specifically want the quietest possible operation. be quiet!'s own Power Zone 2 850W, covered elsewhere on this site, is the right step up for that specific priority. The Thermaltake Smart BX3 650W suits budget RTX 4060 Ti/4070 builds wanting native ATX 3.0 and mainstream gaming PCs on a tight budget, though it is not the pick for anyone chasing Gold-or-better efficiency and high-wattage or multi-GPU builds.
Which is cheaper, be quiet! Pure Power 12 850W or Thermaltake Smart BX3 650W?
Cost splits them too. Thermaltake Smart BX3 650W sits at $74.99, be quiet! Pure Power 12 850W at $94.99, 27% more.
Frequently asked questions
Do the be quiet! Pure Power 12 850W and Thermaltake Smart BX3 650W differ on hold-up time?
Yes. Hold-Up Time reads 17.3 ms on the be quiet! Pure Power 12 850W versus 17 ms on the Thermaltake Smart BX3 650W.
Is the Modularity the same on the be quiet! Pure Power 12 850W and Thermaltake Smart BX3 650W?
It is. Both are listed at Non-Modular, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- be quiet! Pure Power 12 850W
- be quiet!
- Thermaltake Smart BX3 650W
- Thermaltake
Wattage
- be quiet! Pure Power 12 850W
- 850 WBest
- Thermaltake Smart BX3 650W
- 650 W-24%
80 PLUS Rating
- be quiet! Pure Power 12 850W
- Gold
- Thermaltake Smart BX3 650W
- Bronze
Model Number
- be quiet! Pure Power 12 850W
- Pure Power 12 850W
- Thermaltake Smart BX3 650W
- PS-SPD-0650NNFABU-3
ATX Standard
- be quiet! Pure Power 12 850W
- ATX 3.1
- Thermaltake Smart BX3 650W
- ATX 3.1
Form Factor
- be quiet! Pure Power 12 850W
- ATX
- Thermaltake Smart BX3 650W
- ATX
Single +12V Rail
- be quiet! Pure Power 12 850W
- Yes
- Thermaltake Smart BX3 650W
- Yes
12V-2x6 Connectors
- be quiet! Pure Power 12 850W
- 1
- Thermaltake Smart BX3 650W
- 0
Hold-Up Time
- be quiet! Pure Power 12 850W
- 17.3 ms
- Thermaltake Smart BX3 650W
- 17 ms-2%
Zero-RPM Mode
- be quiet! Pure Power 12 850W
- No
- Thermaltake Smart BX3 650W
- Yes
Sleeved Cables
- be quiet! Pure Power 12 850W
- Yes
- Thermaltake Smart BX3 650W
- No
PCIe 8-pin Connectors
- be quiet! Pure Power 12 850W
- 3
- Thermaltake Smart BX3 650W
- 2-33%
Connector Count
- be quiet! Pure Power 12 850W
- 1x 24-pin ATX, 1x EPS 4+4, 1x EPS 8-pin, 1x 12V-2x6, 3x PCIe 6+2-pin, 6x SATA, 1x Molex
- Thermaltake Smart BX3 650W
- 1x 24-pin ATX, 2x EPS 4+4, 2x PCIe 6+2-pin, 4x SATA, 4x Molex (all fixed)
Fan Size
- be quiet! Pure Power 12 850W
- 120 mm
- Thermaltake Smart BX3 650W
- 120 mm
Fan Model / Bearing
- be quiet! Pure Power 12 850W
- 120mm rifle bearing, 4-pole motor
- Thermaltake Smart BX3 650W
- 120mm FDB (fluid dynamic bearing) fan with Smart Zero Fan
OEM / Platform
- be quiet! Pure Power 12 850W
- HEC
- Thermaltake Smart BX3 650W
- CWT
EPS 8-pin Connectors
- be quiet! Pure Power 12 850W
- 2
- Thermaltake Smart BX3 650W
- 2
SATA Connectors
- be quiet! Pure Power 12 850W
- 6
- Thermaltake Smart BX3 650W
- 4
Molex Connectors
- be quiet! Pure Power 12 850W
- 1
- Thermaltake Smart BX3 650W
- 4
Length
- be quiet! Pure Power 12 850W
- 160 mm
- Thermaltake Smart BX3 650W
- 140 mm
Colour
- be quiet! Pure Power 12 850W
- Black
- Thermaltake Smart BX3 650W
- Black
Fan Bearing
- be quiet! Pure Power 12 850W
- Rifle
- Thermaltake Smart BX3 650W
- Fluid Dynamic
MTBF
- be quiet! Pure Power 12 850W
- 100000 hours
- Thermaltake Smart BX3 650W
- 100000 hours
Modularity
- be quiet! Pure Power 12 850W
- Non-Modular
- Thermaltake Smart BX3 650W
- Non-Modular
Protections
- be quiet! Pure Power 12 850W
- OTP, OCP, OPP, SCP, OVP, UVP, SIP
- Thermaltake Smart BX3 650W
- OCP, OVP, OPP, OTP, SCP, UVP
Price
- be quiet! Pure Power 12 850W
- 94.99 USD
- Thermaltake Smart BX3 650W
- 74.99 USD
Warranty
- be quiet! Pure Power 12 850W
- 10 yearsBest
- Thermaltake Smart BX3 650W
- 5 years-50%
Which one should you pick?
Choose be quiet! Pure Power 12 850W if you want the higher wattage (850 W vs 650 W), the higher Hold-Up time (17.3 ms vs 17 ms) and the higher PCIe 8-pin connectors (3 vs 2).
Choose Thermaltake Smart BX3 650W if you already have it on hand or find it at a lower price.
Price comparison
| Retailer | be quiet! Pure Power 12 850W | Thermaltake Smart BX3 650W |
|---|---|---|
| Amazon | $94.99 View on Amazon | $74.99 View on Amazon |
| Newegg | View on Newegg |
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
Thermaltake Smart BX3 650W
7.3 / 10 Expert Rating
One of the most affordable routes to a native 12V-2x6 connector, at the cost of Gold-tier efficiency and acoustics.