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GENERAL FAQs

Is BN250 available in both new and refurbished condition?

Yes, BN250 may be available in both brand-new and professionally refurbished options, depending on current inventory. Each listing clearly indicates the condition so you can choose according to your budget and performance requirements. All refurbished units are fully tested, cleaned, and quality-verified to ensure stable and reliable performance.

How do I check if BN250 is compatible with my system?

Compatibility details of BN250; are provided on the product page, including key technical specifications to help you evaluate system fit. If you are unsure, our technical support team can assist you in confirming compatibility to ensure smooth integration with your existing setup before purchase.

Do you provide replacement options for BN250 if reached End-of-Life (EOL) or End-of-Support (EOS)?

Yes, we can assist with replacement options for BN250 if reached End-of-Life (EOL) or End-of-Support (EOS), subject to availability. In such cases, we typically recommend compatible alternatives or equivalent upgraded models that match your system requirements and performance needs. Our team will help you identify the most suitable replacement to ensure continuity and compatibility with your existing infrastructure.

What type of warranty is included with BN250?

BN250 is covered under a warranty for your assurance. New units generally include a standard manufacturer warranty, while refurbished units come with an in-house 30-days warranty backed by our quality assurance process. Every item is tested prior to shipment to maintain high reliability standards.

Do you offer discounts for bulk or wholesale orders?

Yes, we provide special pricing for bulk purchases, resellers, and corporate clients. If you are planning to order BN250 in larger quantities or need customized requirements, you can request a quotation, and our sales team will offer a competitive and tailored pricing solution.

How soon will my order be shipped after purchase?

Orders are typically processed quickly once payment is confirmed. If BN250 is in stock, it is usually dispatched within the 24-72 hours. Delivery timelines may vary based on your location and shipping option, but we always prioritize fast and efficient order fulfillment.

be quiet! Dark Power Pro 11 550W ATX Black power supply unit

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be quiet! Dark Power Pro 11 550W ATX Black power supply unit

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Category:	Power Supplies
Availability:	Out of Stock
Part Number:	BN250
Manufacturer:	be quiet!
Payment Methods:

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MSRP:
Ex. VAT
MSRP:

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Product Condition:

New Refurbished

QTY:

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Dark Power Pro 11 550W is be quiet!Ã¢â‚¬â„¢s most advanced PSU ever, delivering 80PLUSÃ‚Â® Platinum efficiency, effortless Quad-GPU support, and unmatched silence. The improved features include: 80PLUSÃ‚Â® Platinum power efficiency and unmatched power stability (up to 94%) thanks to half bridge, LLC, SR and DC/DC technologyVirtually inaudible SilentWingsÃ‚Â® 3 135mm fan with fluid-dynamic bearing6-pole fan motor and IC motor control for smooth low-speed operation and reduced noiseLarge funnel-shaped fan intake facilitates high airflow with less turbulenceIsolation sleeve reduces transmission of vibrations to caseOverclocking key switches between four 12V-rails and one massive 12V-railUser-friendly cable management reduces clutter, improves coolingPremium 105Ã‚Â°C-rated capacitors maximize reliabilityIntelligent control for up to 4 case fansGerman product conception, design and quality controlChoose Dark Power Pro 11 550W and get the most technologically-advanced PSU be quiet! has ever built.

Power
Total power	550 W
Peak power	610 W
AC input voltage	100 - 240
AC input frequency	50/60
Input current	7
Power factor	0.99
Power Factor Correction (PFC) type	Active
Maximum input current (@110V)	+5Vsb,+12V1,-12V,+12V2,+3.3V,+12V3,+12V4,+5V
Combined power (+3.3V)	140 W
Combined power (+12V)	540 W
Combined power (+5V)	140 W
Combined power (-12V)	6 W
Combined power (+5Vsb)	15 W
Max output current (+3.3V)	25 A
Max output current (+12V)	45 A
Max output current (+12V1)	20 A
Max output current (+12V2)	20 A
Max output current (+12V4)	25 A
Max output current (+12V3)	25 A
Max output current (+5V)	22 A
Max output current (-12V)	0.5 A
Max output current (+5Vsb)	3 A
Power protection features	Overheating, Under voltage, Over current, Over power, Over voltage, Short circuit
Hold time	19.4 ms
Efficiency	92%
Overheat protection	Yes
Cooling
Fan diameter	13.5 cm
Number of fans	1 fan(s)
Fan speed	1200
Fan location	Top
Cooling type	Active
Ports & interfaces
Motherboard power connector	20+4 pin ATX
Number of SATA power connectors	8
Peripheral (Molex) power connectors (4-pin)	5
PCI Express power connectors (6-pin)	1
PCI Express power connectors (6+2 pin)	4
CPU power connector (4+4 pin)	Yes
Floppy drive power connector	1
Floppy disk drive connector	Yes
CPU power connectors (8-pin)	1
ATX power connector (20+4 pin)	Yes
Cabling type	Semi-Modular
Performance
Power supply unit (PSU) form factor	ATX
Noise level (quiet mode, 50%)	8.9 dB
Noise level (silent mode, <30%)	8.7 dB
Noise level (full-load mode, 100%)	10.1 dB
Purpose	PC
ATX version	2.4
EPS version	2.92
On/off switch	Yes
Noise level	10.1 dB
Mean time between failures (MTBF)	180000 h
Design
Colour of product	Black
Technical details
Cable management	No
Weight & dimensions
Width	180 mm
Depth	150 mm
Height	86 mm
Weight	2.02 kg
Certificates
80 PLUS certification	80 PLUS Platinum
Energy Star certified	Yes
Certification	CE, CB, TÃƒÅ“V, FCC, cTUVus, RCM (Australia), CU (Russia)
RoHS compliance	Yes
Packaging data
Package depth	272 mm
Package width	348 mm
Package height	118 mm
Package type	Box
Package weight	3.37 kg
Packaging content
Warranty card	Yes
Manual	Yes
Other features
Cable management	No

1. Non-Returnable Products: Once an order has been processed, items that are not classified as 3D memory products are non-returnable and cannot be cancelled.

2. Restocking Charges: A restocking fee of up to 25% may apply to eligible returns. The exact percentage depends on the product category.

3. Product Condition: All products are supplied in refurbished condition by default, unless explicitly stated as brand new retail stock prior to purchase.

4. Dispatch & Availability: Most orders are dispatched within 24 hours, subject to stock availability. For urgent or same-day dispatch requests, please contact our customer service team at (0)203-411-0694.

5. Manufacturer Part Numbers: Leading manufacturers such as Dell, HP, IBM, and Compaq may assign multiple identifiers to the same product, including Spare Part Numbers (Spare P/N#) or Field Replaceable Unit Numbers (FRU#). Items received may carry either designation and will be considered equivalent and fully compatible. For clarification, please contact our sales team.

6. Warranty Policy: All items are covered by a 30-day limited warranty, valid for replacement only in cases of DOA (Dead on Arrival), and must match the original part number. Certain storage devices may include an extended 90-day warranty—confirmation prior to purchase is recommended. Additional warranty options, including manufacturer or extended warranties, may be available upon request.

7. Drivers & Installation Media: Products are sold in bulk format and generally do not include installation media or drivers. If required, please confirm availability before placing your order.

8. Shipping Costs: Shipping charges are automatically calculated based on lighter items such as memory modules and hard drives (under 5 lbs). Heavier equipment, including servers, racks, or motherboards, may incur additional shipping costs. We recommend confirming shipping fees prior to order completion. In cases of discrepancies, our team will contact you to revise the charges accordingly.

9. Product Images: All product images are for illustrative purposes only. The actual item delivered may vary in appearance.

10. Packaging Disclaimer: Items may be shipped in bulk or non-retail packaging, particularly for large volume or consolidated orders.

11. End-of-Life (EOL) Products: Discontinued products may be substituted with equivalent parts that match the same FRU and functionality.

12. Refurbished Printers: Refurbished printers may not include toner cartridges, or may be supplied with partially used cartridges.

Need Assistance?

If you require further clarification or have any concerns, please contact us prior to placing your order:
📧 support@selectechnology.co.uk
📞 (0)203-511-0854