be quiet! TFX POWER 3 300W TFX 80 PLUS Gold PSU Power Supply
Brand be quiet!
From
£60.30
+ £4.95 delivery
You save £3.74 (5%)
3 offers at 3 retailers
Listed since 24 April 2026
Compare prices
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Description
Specifications
| Total power | 300 W |
| Peak power | 350 W |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| Input current | 4/2 A |
| Maximum input current (@110V) | 4 A |
| Maximum input current (@220V) | 2 A |
| Power factor | 0.98 |
| Power Factor Correction (PFC) type | Active |
| Combined power (+3.3V) | 103 W |
| Combined power (+12V) | 288 W |
| Combined power (+5V) | 103 W |
| Max output current (+3.3V) | 18 A |
| Max output current (+12V1) | 13 A |
| Max output current (+12V2) | 13 A |
| Max output current (+5V) | 18 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 3 A |
| Hold time | 29 ms |
| Efficiency | 90.6% |
| Power protection features | Over current, Over power, Over voltage, Short circuit, Under voltage |
| Motherboard power connector | 20+4 pin ATX |
| Motherboard power cable length | 35 cm |
| Number of SATA power connectors | 3 |
| SATA power cable length | 300,450,600 mm |
| Peripheral (Molex) power connectors (4-pin) | 2 |
| Peripheral (Molex) power cable length | 300,450 mm |
| PCI Express power connectors (6+2 pin) | 1 |
| PCI Express power cable length | 40 cm |
| CPU P4 connector (4-pin) | 1 |
| CPU power cable length | 35 cm |
| Floppy drive power connector | 1 |
| Floppy disk drive cable length | 60 cm |
| Cabling type | Non-Modular |
| 80 PLUS certification | 80 PLUS Gold |
| Purpose | PC |
| Power supply unit (PSU) form factor | TFX |
| ATX version | 2.52 |
| EPS version | 2.92 |
| Noise level | 21.7 dB |
| Mean time between failures (MTBF) | 100000 h |
| Product colour | Black |
| Cooling type | Active |
| Fan diameter | 8 cm |
| Number of fans | 1 fan(s) |
| Compliance certificates | RoHS, WEEE |
| Safety | CE, CB, TÜV, CU |
| Width | 85 mm |
| Depth | 175 mm |
| Height | 65 mm |
| Weight | 1.1 kg |
| Package width | 159 mm |
| Package depth | 80 mm |
| Package height | 215 mm |
| Package weight | 1.43 kg |
| Package type | Box |
| Sustainability compliance | Yes |
| Sustainability certificates | ENERGY STAR, ErP |
| Shipping (inner) case length | 47.4 cm |
| Shipping (inner) case width | 27.5 cm |
| Shipping (inner) case height | 19.5 cm |
| Products per shipping (inner) case | 6 pc(s) |
| Shipping (inner) case gross weight | 9.39 kg |
| Harmonized System (HS) code | 84733020 |
Full specifications
| Marque | be quiet! |
| Référence fabricant | bn323 |
| EAN | 4260052188293 |
The be quiet! TFX POWER 3 300W TFX 80 PLUS Gold PSU Power Supply in its market context in 2026
Choosing the be quiet! TFX POWER 3 300W TFX 80 PLUS Gold PSU Power Supply means opting for the expertise of be quiet! in the Périphériques informatiques category. Its price starting from £65.25 makes it a serious option on the market. Buyers interested in this brand also look at the be quiet! Dark Power 14 1000 Watt ATX 3.1 80 Plus Titanium PSU Power Supply to complete their comparison. On Compiral, all displayed prices are updated regularly and retailers are selected for their reliability and quality of customer service.
be quiet!: what this model offers
What buyers remember about the be quiet! TFX POWER 3 300W TFX 80 PLUS Gold PSU Power Supply: consistent quality, intuitive use and a price that stays within market norms for this level of performance. The positioning of be quiet! on the Périphériques informatiques segment ensures access to spare parts and a structured after-sales service, which matters greatly in the long run. A solid choice in 2026, whether for a new purchase or to replace a failing device. Also discover the be quiet! Pure Power 12 1000W ATX 3.1 80 PLUS Gold PSU Power Supply from the same brand for a second level of comparison.
The strengths that really make a difference
What truly differentiates the be quiet! TFX POWER 3 300W TFX 80 PLUS Gold PSU Power Supply from other products in the Périphériques informatiques category comes down to a few concrete points: the build quality typical of be quiet!, its availability from many retailers and accessible after-sales support. These criteria, often decisive for buyers, favour this model over alternatives on the market in 2026. Compare with the be quiet! Dark Power 14 1000 Watt ATX 3.1 80 Plus Titanium PSU Power Supply if you wish to explore other models from the brand.
What you need to know before buying
Before buying the be quiet! TFX POWER 3 300W TFX 80 PLUS Gold PSU Power Supply, check the following points: stock availability at your chosen retailer, the returns policy, warranty period and delivery charges. These details are accessible from our offers table at the top of this page. be quiet! generally offers a well-structured after-sales network for the Périphériques informatiques category.
Market price ranges in 2026
| Range | Indicative price |
|---|---|
| Entry-level | Under 2280 £ |
| Mid-range | 2280 £ to 5310 £ |
| High-end | Over 5310 £ |
Comparing prices before buying the be quiet! TFX POWER 3 300W TFX 80 PLUS Gold PSU Power Supply can save you between £10 and £40 depending on the retailer and the time of year. Use Compiral to never overpay for your online purchases. The 3 offers listed on this page all come from verified retailers with sales conditions compliant with consumer protection law.
Frequently asked questions about be quiet! TFX POWER 3 300W TFX 80 PLUS Gold PSU Power Supply
Is there a refurbished version of the be quiet! TFX POWER 3 300W TFX 80 PLUS Gold PSU Power Supply?
Refurbished versions of the be quiet! TFX POWER 3 300W TFX 80 PLUS Gold PSU Power Supply may be available from certain Compiral partner retailers. These refurbished products allow you to save between 20% and 40% compared to the new price while still benefiting from a warranty. Check availability in our offers table and review the warranty conditions offered by the retailer.
When do prices for the be quiet! TFX POWER 3 300W TFX 80 PLUS Gold PSU Power Supply drop during the year?
Prices for the be quiet! TFX POWER 3 300W TFX 80 PLUS Gold PSU Power Supply typically drop during Black Friday (November), the January sales and the summer sales (July). Promotional deals are also common around Cyber Monday and the holiday season. Our price history lets you spot trends and assess whether a price drop is likely soon in the Périphériques informatiques category.
Is delivery free for the be quiet! TFX POWER 3 300W TFX 80 PLUS Gold PSU Power Supply at all retailers?
Free delivery is not guaranteed for the be quiet! TFX POWER 3 300W TFX 80 PLUS Gold PSU Power Supply at every retailer. Some include it in their price, others charge separately. On Compiral, use the free delivery filter to display only offers with free postage. The total price shown in our table always includes delivery costs for a true cost comparison.
How do I return the be quiet! TFX POWER 3 300W TFX 80 PLUS Gold PSU Power Supply if I am not satisfied?
You have a 14-day right of withdrawal for any online purchase, applicable to the be quiet! TFX POWER 3 300W TFX 80 PLUS Gold PSU Power Supply regardless of the retailer. Precise return conditions vary by retailer: check their returns policy before buying. Statutory consumer rights protect you in the event of a defect discovered after delivery.
Is the be quiet! TFX POWER 3 300W TFX 80 PLUS Gold PSU Power Supply worth its price in 2026?
In 2026, the be quiet! TFX POWER 3 300W TFX 80 PLUS Gold PSU Power Supply is listed from £65.25 at our partner retailers. This price is consistent with the positioning of be quiet! in the Périphériques informatiques category. To judge whether this price is currently attractive, check the price history on our product page. Also compare the total price including delivery to avoid any surprises at checkout.
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