BITFENIX

BITFENIX WHISPER M 550W GOLD FULLY MODULAR

  • TYPE: Power Supply
  • SKU: 4712883216060
Brand New1 Year Warranty
$65.00

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The BitFenix Whisper M 550W is an elite-tier, 80 Plus Gold certified power supply unit (PSU) engineered to deliver uncompromised electrical stability and near-silent operation. Designed for mid-range gaming rigs, compact workstations, and highly efficient daily computing setups, this power supply combines an advanced multi-rail topology with 100% industrial-grade Japanese components. Its fully modular framework and flat ribbon-style cabling maximize chassis airflow and clean cable management, making it an exceptional, high-reliability foundation for mainstream hardware configurations.

Form Factor / Type
Intel ATX 12V V2.4 / EPS 12V
Power Factor Correction
Active PFC (PF Value > 0.99)
+12V Rail Architecture
Dedicated Triple +12V Rails
MTBF / Reliability
> 100,000 Hours

Specifications

Model Name / SKU BitFenix Whisper M 550W / BWG550M (BP-WG550UMAG-7FM)
Form Factor / Type Intel ATX 12V V2.4 / EPS 12V
Maximum Wattage 550 Watts Continuous DC Output (at up to 50°C)
Efficiency Certification 80 PLUS Gold Certified (Up to 92% efficiency @ typical load)
Power Factor Correction Active PFC (PF Value > 0.99)
AC Input Range Full Range: 100V–240V AC / 8A / 47–63Hz
+12V Rail Architecture Dedicated Triple +12V Rails
Internal Topology LLC Resonant Topology with DC-to-DC Conversion
Capacitor Engineering 100% High-Performance Japanese Industrial 105°C Capacitors
Cooling Fan Layout 135mm Premium Fluid Dynamic Bearing (FDB) Fan
Cable Management 100% Fully Modular Ribbon Flat Cables
MTBF / Reliability > 100,000 Hours
Chassis Dimensions 160 mm (Depth) × 150 mm (Width) × 86 mm (Height)

Highlights

  • 80 PLUS Gold Efficiency Rating: Attains an outstanding 92% efficiency rating under typical system loads, minimizing utility grid power waste and internal thermal losses. It is fully optimized to meet strict modern energy-saving standards and works seamlessly with Intel Haswell C6/C7 sleep states.
  • Dedicated Triple-Rail +12V Design: Utilizes an intelligent multi-rail power layout partitioned for Motherboard/Peripherals (12V1), CPU (12V2), and GPU (12V3). Each independent rail features dedicated Over Current Protection (OCP) circuits to supply unthrottled energy safely without risking damage from cross-component failures.
  • Advanced LLC Resonant & DC-to-DC Topology: Implements a premium LLC resonant circuit switching architecture alongside separate DC-to-DC minor rail conversion stages (+5V and +3.3V). This structure ensures tight DC voltage regulation and remarkably low ripple noise for sensitive electronics.
  • 100% Industrial Japanese 105°C Capacitors: Loaded entirely with premium Japanese solid polymer and electrolytic capacitors. Rated to function reliably under intense 50°C system operating environments, they drastically extend operational lifespans and ensure rock-solid power delivery.
  • Premium Fluid Dynamic Bearing Fan: Houses a specialized silence-optimized 135mm Fluid Dynamic Bearing (FDB) cooling fan. The fluid dynamic architecture prevents physical metal-on-metal friction, significantly multiplying the fan's lifespan compared to standard sleeve-bearing alternatives.
  • Flat Ribbon-Style Modular Cabling: Features flexible, 18AWG thick all-black flat modular ribbon cables that detach completely. This allows you to plug in only the necessary power lines to maximize internal chassis airflow and maintain a professional, clutter-free aesthetic.
  • Industrial-Grade Safety Suite: Outfitted with robust, full-spectrum hardware guardrails: Over Current (OCP), Over Voltage (OVP), Under Voltage (UVP), Over Power (OPP), Short Circuit (SCP), Over Temperature (OTP), No Load Operation (NLO), and Surge & Inrush Protection (SIP).
Anchor your gaming configuration with the pristine power delivery of the BitFenix Whisper M 550W Gold Fully Modular Power Supply. Unifying an efficient 80 PLUS Gold circuit framework, a rock-solid dedicated triple +12V rail layout, high-end 105°C Japanese industrial capacitors, and an ultra-quiet fluid dynamic bearing fan profile, this continuous-power PSU delivers the ultimate combination of stable voltage output, clean modular cable management, and whisper-silent thermal control.

Guide How to Submit a Warranty Claim

To initiate any warranty or Dead On Arrival (DOA) claim, contact our support team directly on WhatsApp. Please provide a clear explanation of what happened along with detailed photos or a video demonstrating the issue and clearly showing that the serial numbers and warranty seals remain intact.

  • Claim Processing Time: Warranty replacements or repairs take up to 10 business days if replacement units or parts are available locally in stock. If the item must be ordered and imported directly from the US, processing can take up to 4 months.
  • Refunds: Refunds are available for eligible claims where repair or replacement is not possible. For full details on eligibility and terms, please check our Refund Policy section.

General Warranty & Condition Policy

  • Brand New, Open Box & Used Items: All product tiers are subject to the exact same warranty coverage criteria, strict testing procedures, and exclusion conditions. Open Box and Used items carry identical defect protections as Brand New units under a shorter, designated warranty duration specified on the product page and purchase invoice.
  • Power Protection Requirement (UPS): Due to extreme grid instability and voltage fluctuations (180V to 250V), all systems, individual components, and electronics must be powered exclusively through a verified, quality Uninterruptible Power Supply (UPS). Any damage resulting from electrical spikes, brownouts, lightning, physical impact, liquid exposure, or misuse is strictly excluded.
  • Strict No-Tampering Policy: Opening any unit—including user-accessible hardware like prebuilts, laptops, graphics cards, and power supplies—or breaking factory/store warranty seals immediately voids all coverage. Any routine maintenance, cleaning, repasting, or upgrades must be performed directly by our service center.

Pre-Built PCs, Custom Builds & Laptops

  • Pre-Built & Custom Gaming PCs: Every individual internal component is covered under its respective manufacturing warranty. The complete PC must remain connected to a verified quality UPS at all times. Opening the chassis, modifying/removing parts, self-upgrades, repasting, or third-party servicing strictly voids the entire system warranty.
  • Laptops: Covers internal motherboard, processor, dedicated GPU, display panel, keyboard, trackpad, and internal power delivery against manufacturing defects. Must be charged using original adapters connected to stable, surge-protected power.
  • Batteries & Adapters: Laptop batteries and original power bricks are covered against complete hardware failure for their specified term.
  • Laptop Exclusions: Opening the casing, self RAM/SSD upgrades, unauthorized repasting, dropped units, cracked screens, liquid spills, or using unverified 3rd-party chargers immediately voids the warranty.

Core PC Components

  • Processors (CPUs): Covered against factory defects. Void if damaged physically (bent/broken pins, cracked PCB), overclocked, underclocked, or damaged due to improper/outdated motherboard BIOS firmware.
  • Motherboards: Covered against manufacturing defects. Void in cases of physical damage, bent socket pins, Ethernet/LAN static shock, power surges, or trace scratches from improper mounting.
  • Graphics Cards (GPUs): Covered against factory defects. Requires pairing with a reliable, tier-rated PSU (Tier B- or higher) using original native cables and an anti-sag GPU support bracket. Void if opened, disassembled, repasted, overclocked, or undervolted.
  • RAM (Memory): Covered against factory defects. Void if modules show physical damage or failure caused by manual over-volting/overclocking beyond standard XMP/EXPO profiles.
  • Storage (SSDs / HDDs): Covered against controller and NAND defects. Void if the drive exceeds the manufacturer Total Bytes Written (TBW) limit or shows physical port/casing damage.
  • Power Supply Units (PSUs): Covered against internal component failure under standard operating parameters. Burnt input stages and grid-level electrical surges from unprotected direct lines are not covered.

Displays, Cooling & Accessories

  • Monitors (Standard LCD/IPS & OLED): Both standard and OLED panels require 4 or more dead/stuck pixels to qualify for warranty service. OLED panels include burn-in and image retention coverage under normal operating conditions with built-in panel care features kept active. Physical cracks, pressure marks, and scratches are not covered.
  • Liquid Coolers (AIOs): Covered for Dead On Arrival (DOA) pump/fan failure and manufacturing leaks, provided the unit was installed according to official guidelines without hose tension, modifications, or physical damage.
  • Air Coolers: Covered exclusively under Dead On Arrival (DOA) terms within 48 hours of delivery (fan motor failure, factory defects).
  • Peripherals (Keyboards, Mice, Headsets): Covered for internal hardware and connectivity defects under normal operational wear. Excludes cosmetic damage, frayed cables, switch wear from excessive force, and liquid spills.
  • Uninterruptible Power Supplies (UPS): Fully covered against internal board, inverter, and battery manufacturing defects during the warranty period.
  • DOA-Only Items (Report within 48 hours): PC cases, monitor arms, webcams, microphones, speakers, routers, internal/external cables, desk accessories, chairs, desks, RGB extensions/cables, and mini LCD screens.
  • Mouse Pads: Consumable accessory; sold with no warranty.

Policy Full Value Refund Eligibility

  • Coverage Period: Refunds are available throughout the entire warranty period under strict qualifying criteria:
    • Dead On Arrival (DOA): The unit arrives defective (reported within 48 hours), is out of stock, and cannot be replaced or substituted locally.
    • Unresolvable Warranty Claims: A valid warranty claim occurs where the product cannot be repaired, no exact replacement exists, and no suitable substitute is available locally.
  • Refund Method & Value: All approved refunds are issued exclusively as In-Store Credit for 100% of the original amount paid on your purchase invoice.

7-Day Value Window & Buy-Back Terms

  • 7-Day Full-Value Period: Returning an eligible product without losing any of its original value is strictly available only within the first 7 calendar days from the purchase/delivery date.
  • No Preference Returns: Refunding or returning an item because you changed your mind, dislike the color/design, or find it does not fit your setup is strictly prohibited, even within the first 7 days.
  • Buy-Back Option (Post 7 Days or Preference): If you want to return a functional item after the 7-day period has passed or due to personal preference, it is not eligible for a standard return. Instead, we will evaluate the product and offer to buy it back from you at a lower, discounted market price based on its current condition and packaging state.

Recent Products

Size Guide

Device White Black Red Green
Chair 14-14.5 15-15.5 16-16.5 17-17.5
Moniter 14-14.5 15-15.5 16-16.5 17-17.5
Keycaps 14-14.5 15-15.5 16-16.5 17-17.5
CPU 14-14.5 15-15.5 16-16.5 17-17.5
Mouse 14-14.5 15-15.5 16-16.5 17-17.5

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BITFENIX WHISPER 550W GOLD FULLY MODULAR

BITFENIX WHISPER M 550W GOLD FULLY MODULAR

$65.00