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Seasonic 300TFX82-C1 TFX12V Power Supply 80+ Bronze

Seasonic 300TFX82-C1 TFX12V Power Supply 80+ Bronze - 1
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Seasonic 300TFX82-C1 TFX12V Power Supply 80+ Bronze - 54149_l.jpg Customer Photos (0)
Seasonic Electronics
Reg. Price: $47.98  CAD
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SKU: 54149
Shipping Weight: 2.6lbs

Part #: 300TFX82-C1

Product Videos [ Edit ]

Features [ Edit | History ]

Quick Specs:
Output Power 300 W
Form Factor Internal
Number of Fans 1
Green Compliant Yes
Green Compliance Certificate/Authority RoHS 80 Plus Bronze

Specifications [ Edit | History ]

General Information  
     Brand Name: Seasonic
     Manufacturer: Sea Sonic Electronics Co., Ltd
     Manufacturer Part Number: 300TFX82-C1
     Manufacturer Website Address:
     Product Model: 300TFX82-C1
     Product Name: 300TFX82-C1 TFX12V Power Supply
     Product Type: TFX12V Power Supply
     Green Compliance Certificate/Authority: RoHS
80 Plus Bronze
     Green Compliant: Yes
Physical Characteristics  
     Form Factor: Internal
Power Description  
     Output Power: 300 W
Technical Information  
     Number of Fans: 1
     Power Factor Correction (PFC): Active

Customer Reviews of Seasonic Electronics 300TFX82-C1

Product reviews on are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding Seasonic Electronics 300TFX82-C1 reviews.
Min Rui_C
Experience: 2 Months

Verified OwnerVerified Owner


Extremely silent.
Cons None


This power supply is incredibly silent. You barely can hear it spinning. The HTPC sits below my TV and I'm sitting in the dining room about 5 meters away and I cannot tell whether the PC is on or off.

Experience: 3 Weeks

Verified OwnerVerified Owner


+ Gives owners of "slim" computer cases an upgrade option
+ Decent array of connections for its power rating
+ Price won't break the bank
Cons - Seems to generate a fair amount of heat
- Looked like it fell "off the back of a truck"


I have a Dell Vostro 200 Slim which I've performed several upgrades on over the years (gigabit E-net, Radeon 4550 video card, second HDD, etc).

The hard drive I use for my data kept suffering read/write errors, despite my replacing it several times (Oddly, the OS drive was never afflicted). Eventually, I concluded that my upgrades were stressing its meager 250W PSU too much and I temporarily remedied the problem by placing the second HDD in an external enclosure, but that was really annoying since I used the enclosure for troubleshooting other PCs.

Upon discovering the existence of the TFX format, I began looking for a new PSU. Honestly, I would have preferred a 350-400W unit, but this was the only one NCIX stocked. I couldn't see myself needing more than an extra 50W anyway.

Installing this PSU seems to have fixed the issues I was having with my HDD, so it was definitely worth the purchase. However, it seems to add a lot of heat to my system. The case is warm to the touch now where it wasn't before.

P.S. I don't know where NCIX got this PSU, but I got a real "fell off the back of a truck" feeling from it. The PSU had NO packaging other than a twist tie to hold the cables together. No box, no documentation, no specs, not even a plastic bag! Just seems weird is all.

Experience: 1 Weeks

Verified OwnerVerified Owner


Good price, works
Cons None yet


I got this for a Dell Vostro 230 slim system that needed a bigger power supply when a low profile HD5570 video card was added. No problems yet.

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Messages about Seasonic 300TFX82-C1 TFX12V Power Supply 80+ Bronze

TFX PSU Dimensions & Usage (FragYourFriends- Jan 11, 13, 0 Replies) Read this message
Would this fit a Dell Optiplex 520 SFF (Mr_CB7- Jan 06, 12, 0 Replies) Read this message
Compatible Cases (David_P- Feb 02, 11, 3 Replies) Read this message

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Forum messages are not reviewed and may not contain accurate information about a product. Message contents are opinions from customers based on their own experience with a product. We do not recommend you make puchasing decisions based on Forum messages.

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Product Warranty

1 year limited warranty through

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All pricing subject to change. For all prices, products and offers, reserves the right to make adjustments due to changing market conditions, product discontinuation, manufacturer price changes, errors in advertisements and other extenuating circumstances. Promotional offers from are subject to availability and are available only while supplies last. No rain checks will be issued on promotional items and offers.

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NON-DEFECTIVE merchandise returns may be accepted on some items ONLY within 15 days of the Invoice date, at's discretion. Laptops and Notebooks can be returned within SEVEN (7) days from original invoice date. Return will only be accepted with original packaging, accessories, cables, free gifts (if applicable), unopened software and manuals and is subject to inspection before warranty approval. Laptop and notebook with tampered serial numbers or UPC code will be denied returns.

GOVERNMENT & BUSINESS Laptop and Notebook purchases made with government or business POs can be returned typically within fourteen (14) days from original invoice date. Return will only be accepted with original packaging, accessories, cables, free gifts (if applicable), unopened software and manuals and is subject to inspection before warranty approval. Laptop and notebook with tampered serial numbers or UPC code will be denied returns. Please check with your B2B sales representative for specific terms and details.

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