Thermaltake Toughpower SFX 850W 80Plus Platinum ATX 3.1
Thermaltake Toughpower SFX 850W 80Plus Platinum ATX 3.1 Review & Specifications
The Thermaltake Toughpower SFX 850W 80Plus Platinum ATX 3.1 by Thermaltake (Model: PS-STP-0850FNFAPU-1) is a power supply unit that provides 850 watts of power output. This unit follows the 3.1 standard and comes in a SFX size. It is certified with 80 PLUS® Platinum and rated at Platinum efficiency, reaching a peak efficiency of 92%. It features a 90 mm cooling fan with fan stop support, and is actively cooled. This PSU is modular . It delivers:
- 71 A on the 12V rail (1 rail(s))
- 18 A on the 5V rail
- 18 A on the 3.3V rail
Power Supply Performance
The Thermaltake Toughpower SFX 850W 80Plus Platinum ATX 3.1 is a high power PSU, sufficient for mainstream gaming systems and content creation workstations. It provides sufficient power for systems with modern multi-core CPUs and performance-class GPUs, offering headroom for overclocking and future upgrades.
This PSU provides a very high efficiency of 92%, rated as Platinum. It offers superior energy conversion and lower heat output, making it ideal for performance systems. The included 7-year warranty suggests strong build quality and long-term reliability.
This PSU offers moderate value, priced at $200.0 per kilowatt. It delivers decent performance and efficiency, making it a solid mid-range choice for most PC builds. It strikes a good balance between performance and cost, especially for builders prioritizing stability without overspending.
General Information
| Manufacturer | Thermaltake |
|---|---|
| Power Supply Name | Thermaltake Toughpower SFX 850W 80Plus Platinum ATX 3.1 |
| Part Number | PS-STP-0850FNFAPU-1 |
| Current Price Amazon | $170 |
| Amazon Price Updated | 1 day, 5 hours ago. |
| Power Supply Available | True |
Specification
| Power Output | 850 W |
|---|---|
| ATX Version / Form Factor | 3.1 / SFX |
| Certifications | 80 PLUS® Platinum |
| Efficiency Rating | Platinum |
| Modular / Fanless | True / False |
| Fan Size / Fan Stop | 90 mm / True |
| Dimensions | 125mm(W)x63.5mm(H)x103.8mm(D) |
| Warranty | 7 years |
Performance
| Input Voltage | 100-240 V |
|---|---|
| Number of 12 V Rails | 1 |
| Output 12V / 5V / 3.3V | 71 A / 18 A / 18 A |
| Maximum Efficiency | 92% |
| Price per kW | 200.0 USD/kW |
Thermaltake Toughpower SFX 850W 80Plus Platinum ATX 3.1 Compared to Similar Performance PSUs
Power Supply Price / Performance Table
| Power_Supply (Desc) | Price (Desc) | Quality_&_Perf (Desc) | Q&P/Price (Desc) | USD/Kilowatt (Desc) |
|---|---|---|---|---|
|
$97
|
↓
-20.8%
|
71.3%
|
73.8%
|
113.7
113.7
|
|
|
$80
|
↑
8.1%
|
71.2%
|
88.9%
|
145.5
145.5
|
|
|
$85
|
↓
-20.8%
|
69.3%
|
81.0%
|
114.0
114.0
|
|
|
$170
|
↑
3.5%
|
69.2%
|
40.7%
|
200.0
200.0
|
|
|
$157
|
↑
0.5%
|
69.2%
|
44.1%
|
184.7
184.7
|
|
|
$101
|
↓
-6.6%
|
68.5%
|
67.8%
|
118.9
118.9
|
|
|
$119
|
↑
8.2%
|
68.5%
|
57.6%
|
140.0
140.0
|
|
|
$101
|
↓
-6.6%
|
68.5%
|
67.8%
|
118.9
118.9
|
|
|
$130
|
0.0%
|
68.5%
|
52.7%
|
152.9
152.9
|
PSU Comparison and Detail Specifications Table
| Specification | Perf Chart | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Price |
$97
↓
-20.8%
|
$80❗
↑
8.1%
|
$85
↓
-20.8%
|
$170
↑
3.5%
|
$157
↑
0.5%
|
$101❗
↓
-6.6%
|
$119
↑
8.2%
|
$101❗
↓
-6.6%
|
$130
0.0%
|
| Price per kW | 113.7 USD/kW | 145.5 USD/kW | 114.0 USD/kW | 200.0 USD/kW | 184.7 USD/kW | 118.9 USD/kW | 140.0 USD/kW | 118.9 USD/kW | 152.9 USD/kW |
| Manufacturer | ASUS | Asus | ASUS | Thermaltake | Corsair | Thermaltake | Corsair | Thermaltake | SEASONIC |
| Wattage | 850 W | 550 W | 750 W | 850 W | 850 W | 850 W | 850 W | 850 W | 850 W |
| Ver. / FF | 3.1 / ATX | 2.4 / ATX | 3.1 / ATX | 3.1 / SFX | 3.1 / SFX | 3.0 / SFX | 3.1 / ATX | 3.0 / SFX | 3.1 / ATX |
| Efficiency | Gold (90%) | Gold (91%) | Gold (90%) | Platinum (92%) | Platinum (92%) | Gold (90%) | Gold (90%) | Gold (90%) | Gold (90%) |
| 12V Rails | 1 / 70 A | 1 / 45 A | 1 / 62 A | 1 / 71 A | 1 / 71 A | 1 / 71 A | 1 / 71 A | 1 / 71 A | 1 / 70 A |
| 12V/5V/3.3V | 70 A / 20 A / 20 A | 45 A / 20 A / 20 A | 62 A / 20 A / 20 A | 71 A / 18 A / 18 A | 71 A / 20 A / 20 A | 71 A / 22 A / 22 A | 71 A / 20 A / 20 A | 71 A / 20 A / 20 A | 70 A / 20 A / 20 A |
| Fan Size | 135 mm | 135 mm | 135 mm | 90 mm | 92 mm | 92 mm | 140 mm | 92 mm | 120 mm |
| Modular | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ |
| Fan Stop | ❌ | ✔️ | ❌ | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ |
| Fanless | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
| Dimensions | 150 x 150 x 86 mm | 160 x 150 x 86 mm | 150 x 150 x 86 mm | 125mm(W)x63.5mm(H)x103.8mm(D) | 4.92 x 3.94 x 2.5 inches | 125mm(W)x63.5mm(H)x100mm(D) | 140x150x86 | 125mm(W)x63.5mm(H)x100mm(D) | 140 × 150 × 86 mm |
| Warranty | 8 years | 10 years | 8 years | 7 years | 7 years | 7 years | 7 years | 7 years | 7 years |
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Power Supply Specification Table
| Power_Supply (Desc) | Wattage (Desc) | ATX Ver / FF / Modular | Efficiency | 12V Rails / Amp | Output 12V/5V/3.3V | Warranty |
|---|---|---|---|---|---|---|
| 850 W | 3.1 / ATX / True | Gold, 90% | 1 / 70.00 A | 70 A / 20 A / 20 A | 8 years | |
| 550 W | 2.4 / ATX / True | Gold, 91% | 1 / 45.00 A | 45 A / 20 A / 20 A | 10 years | |
| 750 W | 3.1 / ATX / True | Gold, 90% | 1 / 62.00 A | 62 A / 20 A / 20 A | 8 years | |
| 850 W | 3.1 / SFX / True | Platinum, 92% | 1 / 71.00 A | 71 A / 18 A / 18 A | 7 years | |
| 850 W | 3.1 / SFX / True | Platinum, 92% | 1 / 71.00 A | 71 A / 20 A / 20 A | 7 years | |
| 850 W | 3.0 / SFX / True | Gold, 90% | 1 / 71.00 A | 71 A / 22 A / 22 A | 7 years | |
| 850 W | 3.1 / ATX / True | Gold, 90% | 1 / 71.00 A | 71 A / 20 A / 20 A | 7 years | |
| 850 W | 3.0 / SFX / True | Gold, 90% | 1 / 71.00 A | 71 A / 20 A / 20 A | 7 years | |
| 850 W | 3.1 / ATX / True | Gold, 90% | 1 / 70.00 A | 70 A / 20 A / 20 A | 7 years |
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