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BFG Technologies

BFG Tech LS SERIES LS-550 550W Continuous @ 40°C ATX12V 2.3 / EPS12V 2.8 SLI Certified CrossFire Ready 80 PLUS Certified Active PFC Power Supply - Retail

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Manufacturer InfoReturn Policies

Manufacturer Warranty

Beyond any applicable Newegg return policy, this item is warranted independently by the product's Manufacturer. Below is a summary provided for convenience only and may not be accurate or current. Use this link for full details.

  • Manufacturer Limited Warranty period (parts): 3 years
  • Manufacturer Limited Warranty period (labor): 3 years

Manufacturer Contact Info

Return Policies

This item is covered by Newegg.ca's Standard Return Policy.

  • Return for refund within: 30 days
  • Return for replacement within: 30 days
  • Restocking Fee: Yes
OverviewCustomer ReviewSpecificationsProduct Tour
Feed your power-hungry components without breaking the bank. Today's PCs require more power to support multiple hard drives, processors and high-end graphics cards. BFG Tech answers that call with their new line of Power Supplies with built-in cooling units.

The LS Series LS-550 features frequency conversion technology to help maximize efficiency across a broad range of loads and delivers up to 550W of continuous DC power. The PCI Express power connectors ensure compatibility with dual graphics card configurations without having to use unreliable adapters.

These units deliver higher efficiency with integrated protection circuitry for a more stable and reliable source of power. The cooling fan varies speed according to load to run as efficiently and quietly as possible. Easy installation and a full range of connectors makes this a sure hit with gamers and computer enthusiasts alike.

Review Summary (read more reviews)

5
newegg
62%
4
newegg
19%
3
newegg
3%
2
newegg
5%
1
newegg
11%
Product Rating:
Total Reviews: 37

Would be 5 eggs but...

white Reviewed By: on 1/14/2009
Rating + 4
Tech Level Tech Level: somewhat high - Ownership: 1 day to 1 week
This user purchased this item from Newegg
Pros: Quiet, good price, Newegg shipping arrives when promised. Would be 5 eggs except for "Other thoughts" below.
Cons: None other than below...
Other Thoughts: Somebody in Newegg's shipping department slashed the factory box the PS came in. I had to thoroughly inspect all cables for damage. Poorly packed in shipping box... unit box could bounce around during shipping. This was NOT Newegg's usual great packing job.
3 out of 3 people found this review helpful. Did you? Yes No

excellent

white Reviewed By: Jim on 9/9/2008
Rating + 5
Tech Level Tech Level: high - Ownership: 1 day to 1 week
Pros: Very quiet. 1 X 6 and 1 X 6+2 PCI-E connectors for newest graphics cards. Easy installation, good cable flexibility.
Cons: None noted.
Other Thoughts: Not the most inexpensive power supply, but if you're going to spend several hundred on a GPU, don't kill it with a cheap PSU.
2 out of 2 people found this review helpful. Did you? Yes No

Quick Specs (view all30)

ModelLS-550
TypeATX12V / EPS12V
Maximum Power501 - 600W
Fans1
PFCActive

Review Summary (read all 37 Reviews)

5
newegg
62%
4
newegg
19%
3
newegg
3%
2
newegg
5%
1
newegg
11%
Product Rating:
Total Reviews: 37

so fare so good

white Reviewed By: Josherrr on 6/11/2009
Rating + 4
Tech Level Tech Level: somewhat high - Ownership: 1 day to 1 week
Pros: my +12 volt rail went from 11.86 under load to a safe 11.97 under load my idle went from 12.02 to 12.10 all other volts are what they should be great psu for a dell vostro or any box pc did not want to chance breaking my pc by under powering it with my new hd 4830 this replaced a stock liteon 350 watt in a dell vostro 420
Cons: i could do with out the molex connectors
Other Thoughts: will write another review in a few months to see if i have same problem as other people but bfg has treated me good in the past so i will give them a chance
Did you find this review helpful? Yes No

Would have been great, but...

white Reviewed By: techkyle on 5/30/2009
Rating + 2
Tech Level Tech Level: somewhat high - Ownership: 1 week to 1 month
This user purchased this item from Newegg
Pros: 550 watt continuous, included Velcro straps and zip ties are quite a nice addition, nice finish. Quiet, like all power supplies with 120mm fans.
Cons: On first boot, the 12 volt was quite low (11.7). My system seemed to work with it, but a few weeks later, I started getting random restarts. I checked the 12 volt again and noticed that it had slipped down about 0.2 more volts. I was not drawing more than 150-200 watts of power. Eventually, my memory (which has worked fine for months) died, spitting out tons of errors on MemTest. Of course this happened just after Newegg's 30-day return policy. I will be contacting the manufacturer (with my fingers crossed).
Other Thoughts: Other voltages were also low, but not enough to RMA it for. If the 12 volt (and other rails) were within acceptable range, I would have given this 5 eggs. It seems like a very nice, solid power supply with little extras that you don't see in other units. I had high hopes for this unit. I'm sad to see it didn't live up to it's reputation. If BFG's customer support blows me off, this may well be the first and last BFG product I buy.
1 out of 1 people found this review helpful. Did you? Yes No

Godspeed

white Reviewed By: cubeman on 5/27/2009
Rating + 5
Tech Level Tech Level: somewhat high - Ownership: 1 day to 1 week
This user purchased this item from Newegg
Pros: I have been running this sucker for over a week now. Quiet as can be and is definitely generating enough power for my gaming rig. I loved all the sleeved cables and BFG even provides you with Velcro and cable ties so that you can organize everything inside your computer. Definitely recommend this PSU.
Cons: None for now.
Other Thoughts: My motherboard (AM2+/AM2 NVIDIA GeForce 8200 ATX AMD Motherboard) wanted an extra 8 pin connector. This PSU didn't have it. But my motherboard's manual said the extra 4 pin should still be sufficient...... and it is.
Did you find this review helpful? Yes No
Model
Brand BFG Tech
Model LS-550
Series LS SERIES
Spec
Type ATX12V 2.3 / EPS12V 2.8
Maximum Power 550W Continuous @ 40°C
Fans 1 x 135mm Thermal Controlled Fan
PFC Active
Main Connector 20+4Pin
+12V Rails 4
PCI-Express Connector 1 x 6-Pin, 1 x 6+2-Pin
SLI Certified
CrossFire Ready
Efficiency Up to 85% @ Full & Typical Load
Energy-Efficient 80 PLUS Certified
Over Voltage Protection Yes
Overload Protection Yes
Input Voltage 100 - 240 V
Input Frequency Range 50/60 Hz
Input Current 8.5 / 3.5A
Output +3.3V@24A, +5V@30A, +12V1@16A, +12V2@16A, +12V3@16A, +12V4@16A, -12V@0.5A, +5VSB@3.0A
Approvals UL, CB, TUV, CD, FCC
Dimensions 3.4" x 6" x 6.4"
Features
Connectors 1 x Main connector (20+4Pin)
1 x 12V(4+4Pin)
6 x peripheral
4 x SATA
2 x Floppy
2 x PCI-E
Features Ultra Quiet Thermal Controlled 135mm Fan
Sleeved Cabling
Active PFC: Inceases Power Factor & Reduces Distortion
Four Independent +12VDC Outputs
ATX 20+4Pin Main Connector
ATX12V / EPS12V CPU 4+4Pin
1 x PCI Express Power 6Pin
1 x PCI Express Power 6+2Pin
High Efficiency Design - 80 PLUS Certified
Part Number: BFGR550WLSPSU
Manufacturer Warranty
Parts 5 years limited
Labor 5 years limited

Introduction

Feed your power-hungry components without breaking the bank. Today's PCs require more power to support multiple hard drives, processors and high-end graphics cards. BFG Tech answers that call with their new line of Power Supplies with built-in cooling units.

The LS Series LS-550 features frequency conversion technology to help maximize efficiency across a broad range of loads and delivers up to 550W of continuous DC power. The PCI Express power connectors ensure compatibility with dual graphics card configurations without having to use unreliable adapters.

These units deliver higher efficiency with integrated protection circuitry for a more stable and reliable source of power. The cooling fan varies speed according to load to run as efficiently and quietly as possible. Easy installation and a full range of connectors makes this a sure hit with gamers and computer enthusiasts alike.

Highlights

newegg ATX12V v2.2 Compatible
Compatible with the ATX12V v2.2 standard, the BFG Tech LS-550 power supply provides maximum power stability to drive the latest Intel and AMD processors as well as other system components.
newegg 550W Continuous Power
A continuous power of 550W delivers safe, reliable output for advanced gaming systems.
newegg 80 Plus Certified
The 80 PLUS certified power supply provides high power efficiency of at least 80% at any load between 20% and 100%, saving your money on your electrical bill, reducing heat in your computer's system and prolonging its life.
newegg 135mm Cooling Fan with BFG Thermal Control Technology
The large 135mm intake fan increases overall airflow in the power supply to ensure operation stability. With BFG thermal control technology, the fan slows down during regular operation to reduce unnecessary noise.
newegg 8-pin PCI Express Connector
Featuring an 8-pin (6+2-pin) PCI Express power connector, the BFG Tech LS-550 is capable of feeding power-hungry high-end graphics card.
newegg NVIDIA SLI Certified
The BFG Tech LS-550 power supply has gone through a series of rigorous NVIDIA SLI certification tests for maximum system stability when building NVIDIA SLI PCs.

Photo Gallery

BFG Tech LS SERIES LS-550 550W Continuous @ 40°C Power Supply - Retail
BFG Tech LS SERIES LS-550 550W Continuous @ 40°C Power Supply - Retail BFG Tech LS SERIES LS-550 550W Continuous @ 40°C Power Supply - Retail BFG Tech LS SERIES LS-550 550W Continuous @ 40°C Power Supply - Retail BFG Tech LS SERIES LS-550 550W Continuous @ 40°C Power Supply - Retail BFG Tech LS SERIES LS-550 550W Continuous @ 40°C Power Supply - Retail

Quick Specs

BrandBFG Tech
TypeATX12V / EPS12V
PFCActive
Energy-Efficient80 PLUS Certified
+12V Rails4
Main Connector20+4Pin
PCI-Express Connector1 x 6-Pin, 1 x 6+2-Pin
CrossFireReady
SLICertified
Fans1
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