be quiet! Straight Power 12 750W
be quiet! Straight Power 12 750W Review & Specifications
The be quiet! Straight Power 12 750W by be quiet! is a power supply unit that provides 750 watts of power output. This unit follows the 3.1 standard and comes in a ATX size. It is certified with 80 PLUS® Platinum and rated at Platinum efficiency, reaching a peak efficiency of 93%. It features a 135 mm cooling fan , and is actively cooled. This PSU is modular . It delivers:
- 62 A on the 12V rail (1 rail(s))
- 25 A on the 5V rail
- 25 A on the 3.3V rail
Power Supply Performance
The be quiet! Straight Power 12 750W 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 93%, rated as Platinum. It offers superior energy conversion and lower heat output, making it ideal for performance systems. The included 10-year warranty suggests strong build quality and long-term reliability.
From a cost-efficiency standpoint, this PSU offers low value, with a high cost of $492.1 per kilowatt. However, it compensates with high performance and top-tier efficiency, which justifies the premium for users seeking maximum reliability and power delivery. Enthusiast builders and professionals may still find it worthwhile despite the cost.
General Information
| Manufacturer | be quiet! |
|---|---|
| Power Supply Name | be quiet! Straight Power 12 750W |
| Current Price Amazon | $369 |
| Amazon Price Updated | 1 day, 13 hours ago. |
| Power Supply Available | True |
Specification
| Power Output | 750 W |
|---|---|
| ATX Version / Form Factor | 3.1 / ATX |
| Certifications | 80 PLUS® Platinum |
| Efficiency Rating | Platinum |
| Modular / Fanless | True / False |
| Fan Size / Fan Stop | 135 mm / False |
| Dimensions | 160 x 150 x 86 mm |
| Warranty | 10 years |
Performance
| Input Voltage | 100-240 V |
|---|---|
| Number of 12 V Rails | 1 |
| Output 12V / 5V / 3.3V | 62 A / 25 A / 25 A |
| Maximum Efficiency | 93% |
| Price per kW | 492.1 USD/kW |
be quiet! Straight Power 12 750W 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) |
|---|---|---|---|---|
|
$120
|
0.0%
|
76.9%
|
64.1%
|
141.2
141.2
|
|
|
$147
|
0.0%
|
76.9%
|
52.2%
|
173.3
173.3
|
|
|
$90
|
0.0%
|
76.3%
|
84.8%
|
119.9
119.9
|
|
|
$100
|
0.0%
|
76.3%
|
76.3%
|
133.2
133.2
|
|
|
$135
|
↓
-6.9%
|
75.9%
|
56.2%
|
180.0
180.0
|
|
|
$369
|
0.0%
|
75.9%
|
20.6%
|
492.1
492.1
|
|
|
$80
|
0.0%
|
75.6%
|
94.6%
|
106.5
106.5
|
|
|
$160
|
0.0%
|
75.6%
|
47.2%
|
213.3
213.3
|
|
|
$90
|
0.0%
|
75.6%
|
84.0%
|
119.9
119.9
|
PSU Comparison and Detail Specifications Table
| Specification |
No image available |
Perf Chart | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Price |
$120
0.0%
|
$147
0.0%
|
$90
0.0%
|
$100
0.0%
|
$135
↓
-6.9%
|
$369
0.0%
|
$80
0.0%
|
$160
0.0%
|
$90
0.0%
|
| Price per kW | 141.2 USD/kW | 173.3 USD/kW | 119.9 USD/kW | 133.2 USD/kW | 180.0 USD/kW | 492.1 USD/kW | 106.5 USD/kW | 213.3 USD/kW | 119.9 USD/kW |
| Manufacturer | LIAN LI | Seasonic | be quiet! | be quiet! | ASUS | be quiet! | be quiet! | Thermaltake | be quiet! |
| Wattage | 850 W | 850 W | 750 W | 750 W | 750 W | 750 W | 750 W | 750 W | 750 W |
| Ver. / FF | 3.1 / ATX | 3.0 / ATX | 3.1 / ATX | 3.1 / ATX | 3.1 / SFX | 3.1 / ATX | 3.1 / ATX | 3.0 / ATX | 3.1 / ATX |
| Efficiency | Gold (90%) | Gold (90%) | Gold (94%) | Platinum (94%) | Platinum (93%) | Platinum (93%) | Gold (92%) | Platinum (92%) | Gold (92%) |
| 12V Rails | 1 / 71 A | 1 / 70 A | 1 / 63 A | 1 / 62 A | 1 / 62 A | 1 / 63 A | 1 / 62 A | 1 / 62 A | 2 / 36 A |
| 12V/5V/3.3V | 70 A / 20 A / 20 A | 70 A / 20 A / 20 A | 62 A / 20 A / 20 A | 62 A / 20 A / 20 A | 62 A / 20 A / 20 A | 62 A / 25 A / 25 A | 62 A / 20 A / 20 A | 62 A / 20 A / 20 A | 68 A / 20 A / 20 A |
| Fan Size | 120 mm | 120 mm | 120 mm | 140 mm | 120 mm | 135 mm | 120 mm | 120 mm | 120 mm |
| Modular | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ | ❌ | ✔️ | ✔️ |
| Fan Stop | ❌ | ✔️ | ✔️ | ✔️ | ✔️ | ❌ | ❌ | ✔️ | ❌ |
| Fanless | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
| Dimensions | (D)182 mm X (W)86 mm X (H)150 mm | 140 × 150 × 86 mm | 160 x 150 x 86 | 160 x 150 x 86 | 125 x 125 x 63.5 mm | 160 x 150 x 86 mm | 160 x 86 x 150 | 140mm(W)x86mm(H)x150mm(D) | 160 x 150 x 86 |
| Warranty | 10 years | 10 years | 10 years | 10 years | 10 years | 10 years | 10 years | 10 years | 10 years |
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 / 70.80 A | 70 A / 20 A / 20 A | 10 years | |
| 850 W | 3.0 / ATX / True | Gold, 90% | 1 / 70.00 A | 70 A / 20 A / 20 A | 10 years | |
| 750 W | 3.1 / ATX / True | Gold, 94% | 1 / 62.50 A | 62 A / 20 A / 20 A | 10 years | |
| 750 W | 3.1 / ATX / True | Platinum, 94% | 1 / 62.00 A | 62 A / 20 A / 20 A | 10 years | |
| 750 W | 3.1 / SFX / True | Platinum, 93% | 1 / 62.00 A | 62 A / 20 A / 20 A | 10 years | |
| 750 W | 3.1 / ATX / True | Platinum, 93% | 1 / 62.50 A | 62 A / 25 A / 25 A | 10 years | |
| 750 W | 3.1 / ATX / False | Gold, 92% | 1 / 62.00 A | 62 A / 20 A / 20 A | 10 years | |
| 750 W | 3.0 / ATX / True | Platinum, 92% | 1 / 62.00 A | 62 A / 20 A / 20 A | 10 years | |
| 750 W | 3.1 / ATX / True | Gold, 92% | 2 / 36.00 A | 68 A / 20 A / 20 A | 10 years |
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