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GIGABYTE Radeon HD 6450 625MHZ 1GB 1.1GHZ DDR3 Low Profile DVI HDMI HDCP PCI-E DX 11 Video Card

GIGABYTE Radeon HD 6450 625MHZ 1GB 1.1GHZ DDR3 Low Profile DVI HDMI HDCP PCI-E DX 11 Video Card - 1
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GIGABYTE Radeon HD 6450 625MHZ 1GB 1.1GHZ DDR3 Low Profile DVI HDMI HDCP PCI-E DX 11 Video Card - 72269_l.jpg Customer Photos (0)
Reg. Price: $45.84  CAD
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SKU: 72269
Shipping Weight: 0.4lbs

Part #: GV-R645-1GI

Product Videos [ Edit ]

Features [ Edit | History ]

Quick Specs:
Host Interface PCI Express 2.1
Platform Supported PC
Standard Memory 1 GB
Thickness 866.1 mil
API Supported DirectX 11.0 OpenGL 4.1
Form Factor Plug-in Card
Length 7.2"
Memory Technology DDR3 SDRAM
Height 4.8"
Bus Width 64 bit
Multi-GPU Technology CrossFireX
Green Compliant Yes
Green Compliance Certificate/Authority RoHS
Number of Monitors Supported 2
Dual Link DVI Supported Yes
Chipset Manufacturer AMD
Chipset Model HD 6450
Card Height Low-profile
Chipset Line Radeon
Chipset Series HD 6000
Number of VGA Outputs 1
Number of HDMI Outputs 1
GPU Clock 625 MHz
Total Number of DVI Outputs 1

Specifications [ Edit | History ]

General Information  
     Brand Name: Gigabyte
     Manufacturer: GIGABYTE Technology, Inc
     Manufacturer Part Number: GV-R645-1GI
     Manufacturer Website Address:
     Package Type: Retail
     Product Line: HD Experience
     Product Model: GV-R645-1GI
     Product Name: HD Experience GV-R645-1GI Radeon HD 6450 Graphic Card
     Product Type: Graphic Card
     Dual Link DVI Supported: Yes
     DVI: Yes
     HDMI: Yes
     Host Interface: PCI Express 2.1
     Number of HDMI Outputs: 1
     Number of VGA Outputs: 1
     Total Number of DVI Outputs: 1
     VGA: Yes
     Bus Width: 64 bit
     Memory Speed: 1100 MHz
     Memory Technology: DDR3 SDRAM
     Standard Memory: 1 GB
     Green Compliance Certificate/Authority: RoHS
     Green Compliant: Yes
     Platform Supported: PC
     System Requirements:
  • System power supply requirement: 400W
  • Operating System(s): Windows 7

Physical Characteristics  
     Card Height: Low-profile
     Form Factor: Plug-in Card
     Height: 4.8" (122 mm)
     Length: 7.2" (183 mm)
     Low Profile Bracket Included: No
     Thickness: 0.9" (22 mm)
Processor & Chipset  
     Chipset Line: Radeon
     Chipset Manufacturer: AMD
     Chipset Model: HD 6450
     Chipset Series: HD 6000
     GPU Clock: 625 MHz
Technical Information  
     Analog Signal: Yes
     API Supported: DirectX 11.0
OpenGL 4.1
     Digital Signal: Yes
     Features: Avivo HD Technology
EyeSpeed Technology
     Maximum Resolution: 2560 x 1600
     Multi-GPU Technology: CrossFireX
     Number of Monitors Supported: 2

Customer Reviews of Gigabyte GV-R645-1GI

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 Gigabyte GV-R645-1GI reviews.
Experience: 4 Months


Work as expected
Some problems under Ubuntu 12.10 and 13.04, but far less than Intel HD 2000
Bought on of these for my HTPC under linux since I have a lot of problem with the Intel built-in in my I3-2220T. If I stay away from "official" drivers, everything works well. 1080P movies works flawlessly and HDMI audio work without problem.

Experience: 1 Months


Cheap, 2 Monitors
Bought this for work, supports 2 monitors. Shouldn't spend more than $50 for 2 monitors unless you need eyefinity or 3+ monitors.

Experience: 2 Months


powerful cheap card
high defect rate
The card is extremely cheap compared to alternatives when you get a 10 dollar rebate and with a price match. The card was overkill for what I needed but it gets the job done at an affordable price.

Experience: 4 Months


Cool, Quiet, No stuttering, Low Profile
Not a fan of MIR
This card is great for any home theater pc setup, While the 1G of vram is a little overboard, it doesn't hurt. I am able to play 1080p content (youtube, blueray, mkv etc) without any stuttering from the video card. The fan is very quiet, inaudible really. even when fully taxed, it doesn't get very hot and is still silent.
The HDMI output is a must and works perfectly with my HDTV.

Often goes on sale with MIR, while not my favorite, it does the job and for a ~$20 card. you can't go wrong.

However, if you are building a multimedia pc, i would recommend an AMD APU, they would perform much better and is a cleaner solution overall. This would only be for adding and HDMI video source to older hardware.

Experience: 5 Days


Cheap but useless if it doesn't work
white lines and blue artifacts Pain to update  bios and still doesn't work
I bought this card and it had the known issue of white lines across the screen. I update d the bios and that fixed the lines but now I get Blue Artifacts all over the screen.
Bios update  isn't automatic. You have to download a program to do it. It's obvious the reason this card is so cheap is because it has a high defect rate.
Don't buy this card

Experience: 30 Days


Cheap. Quiet card. Provides DVI/HDMI out in low profile adapter
needs immediate bios update  to F22 to fix horizonal line artifact problem. when using low profile, lose a vga adapter.
So. bought 2 of these for the office to upgrde to DVI/HDMI connections.

I'm writing this review to warn people. In Mid-january 2013; the card I bought at the time had a horizontal line intermittently appearing on the desktop. Tried changing settings/drivers - no improvement.

You have to flash/update  the bios to F22 (available from Gigabyte's website) in order to fix this issue. Updating the bios seems to have fixed the problem for me now.

Wasted a lot of time to figure this out. It is documented by others online as well with this specific model.

Has something to do with the memory chips in this model or something - shrug.

A lot of people out there won't know how to flash/update  their video card bios. What's worse, I had to use ATIwinflash as the gigabyt utility download kept crashing on windows xp.

Experience: 3 Days


low power
very slow card
the card does the job to surf the internet but dont expect to pay big games at high settings very often... the card is very slow and give me a windows rating of about 4. otherwise the price is good and the card doesnt take a big power supply or a big case. it is small and no need for power cable to plug it.
personally i got a broken cd with the card and this is not good.

Experience: 10 Days


Silent, decodes any video out there, even plays games half decently.
Required a BIOS update  to correct screen artifact even on Windows desktop. Potentially risky to do so kind of a big con.
This card is exactly what I needed it for. It is going in a basic desktop so nothing fancy was needed. It actually performs well above what I expected. Video decode is flawless (after BIOS update) and it runs games at much higher settings than I expected out of a $15 card. For the money I couldn't ask for more. Would be great in an HTPC (even comes with a LP bracket).

Experience: 6 Days


12$ after MIR
Great card for 12$.

Experience: 4 Months


Cheap and Reliable
None for $10 after Rebate
I purchased this card for my son's desktop. He is able to play World of Warcraft/Minecraft/Runescape with greater that 30 FPS f 1440 x 900. Its good enough for anyone on a budget who does very light gaming. And for $10 I can't complain. 5 Stars.

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Messages about GIGABYTE Radeon HD 6450 625MHZ 1GB 1.1GHZ DDR3 Low Profile DVI HDMI HDCP PCI-E DX 11 Video Card

does this come with a low profile metal bracket t (Catherine_L- Feb 14, 13, 5 Replies)
Problem with some white lines on the monitor (yiran_y- Feb 08, 13, 2 Replies)
Driver problem or the card problem (Wai Ming_L- Jan 29, 13, 0 Replies)
This Product is Not Available? (Wai Ming_L- Jan 17, 13, 1 Replies)

Post a New Message  |    All Messages       Browse NCIX Forums

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

First 30 days limited warranty through The remainder of the 3 year warranty is provided directly by the manufacturer.

Currently Gigabyte accepts end users’ requests on RMA service.
Motherboards, Video cards, servers and Rackmount server boards carry three years limited warranty.

Warranty Effective On Date of Manufacture

Gigabyte determines warranty based on the manufacture date. The manufacture date can be verified by the serial number found on the product. The first four digits after "SN" determine the year and week of manufacturing date. For example:

"01)04719331729028(21) SN0213030585" represents the 13th week of 2002

RMA Request Procedures and Guidelines

  • All RMA request forms must be completed in order to obtain a RMA number

  • RMA request with missing or incorrect serial number(s) may result in a delayed process or a rejection of request

  • Any model discrepancy for received items may result in a delayed processing timeProducts received with no RMA number may delay processing or refusal
    (Gigabyte will not be responsible for items received without proper information)
  • No cross shipping or advanced replacements under any circumstances

  • Products will either be repaired or replaced at our discretion

  • Replacements may include new or refurbished products
    (Replacements will be for the exact or equivalent product)
  • Average turnaround time will be 2-3 business working weeks upon receipt (applies to quantities not exceeding 20 pieces)
  • If the information on your request varies from the actual item(s) received, RMA will be based on the actual item(s) received
  • RMA numbers will be valid for 30 days after issued date
  • Gigabyte will provide one way freight via UPS or FedEx ground free of charge
  • For consecutive violation for No Trouble Found (NTF), a testing fee per NTF board or system may apply.

Warranty Period by Product

  • Motherboards
    • All motherboards carry a 3 year limited warranty (First 2 years parts & labor, 3rd year parts only)
  • Graphic Accelerator Cards (VGA)
    • All graphic cards carry a 3 year limited warranty (First 2 years parts & labor, 3rd year parts only)
  • Servers(Server Boards/Barebone Server System)
    • Server Boards carry a 3 years limited warranty (First 2 years parts & labor, 3rd year labor only)   
    • Rackmount server boards carry a 3 year limited warranty (First 2 years parts and labor, 3rd year labor only)
    • Rackmount components carry a 2 year limited warranty
  • PC Barebones System
    • Motherboards assembled with barebones systems carry a 3 years limited warranty (1st year parts & labor, 2nd and 3rd year labor only)
      * Gigabyte shall provide the fees/charges for parts upon testing of motherboards in their 2nd and 3rd year of warranty
  • Peripherals (Coolers, Keyboards, Mouse, Optical Devices, etc.)
    • All peripherals carry a 1 year limited warranty
  • Notebook
    • All notebooks carry a 1 year limited warranty
  • Wireless and Networking Products
    • All wireless and networking products carry a 1 year limited warranty

Please register at your RMA account!

Sales Policy

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.

While uses all reasonable efforts to include accurate and up-to-date information on the Site, makes no warranties or representations as to the Site's accuracy. assumes no liability or responsibility for any errors or omissions in the content on the Site. warrants product(s) to be in good working condition and free from defects in material and workmanship for a period of one (1) year for OEM packages, and for thirty (30) days for RETAIL packages (excluding laptops and notebooks), from the original Invoice date unless otherwise restricted below or by the manufacturer's own warranty policy. Defective returns and warranty service will be replaced, exchanged or repaired at's sole discretion, and based on vendor's policy.

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.

All NON-DEFECTIVE returns are subject to a 15% restocking fee. No refunds will be issued for blank media, digital camera (and accessories), opened software, printers, printer supplies, paper, projectors (and accessories), appliances, handhelds, PDAs, notebook computers, special order computers and special order items.

Defective software, video games or DVDs will be replaced by the SAME title and format ONLY (and subject to current availability) within 30 days of the Invoice date. Software, Drones, video games and DVDs may be returned within 30 days only if the item is UNOPENED (with shrink wrap still intact) at the sole discretion of does NOT apply a surcharge to credit card orders. Please read our RMA & warranty policy and terms & conditions for more information. If you have any questions regarding our sales and warranty policies, please send us a message -- we'll be glad to answer any of your questions.

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