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GIGABYTE Radeon HD 7770 OC 1050MHZ 1GB 4.5GHZ GDDR5 DVI HDMI 2XMINIDP PCI-E Video Card - 1
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GIGABYTE Radeon HD 7770 OC 1050MHZ 1GB 4.5GHZ GDDR5 DVI HDMI 2XMINIDP PCI-E Video Card - 74900_l.jpg GIGABYTE Radeon HD 7770 OC 1050MHZ 1GB 4.5GHZ GDDR5 DVI HDMI 2XMINIDP PCI-E Video Card - 74900_1.jpg GIGABYTE Radeon HD 7770 OC 1050MHZ 1GB 4.5GHZ GDDR5 DVI HDMI 2XMINIDP PCI-E Video Card - 74900_2.jpg Customer Photos (0)
Reg. Price: $153.98  CAD
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   Shipping Weight:   1.6 lbs
   Part #: GV-R777OC-1GD Rev2.0
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Features    [ Edit | History ]

GIGABYTE HD Experience Series

GIGABYTE HD Experience Series

  • Powered by AMD Radeon HD 7770 GHz Edition GPU
  • Integrated with the first 1GB GDDR5 memory and 128-bit memory interface
  • Features Dual-link DVI-I / HDMI / mini DisplayPort 2
  • Overclock to 1050 MHz
  • Support CrossFireX™ and Avivo™HD
  • System power supply requirement: 450W
Quick Specs:
Host Interface PCI Express 3.0 x16
Platform Supported PC
Limited Warranty 3 Year
Standard Memory 1 GB
Thickness 1.6"
API Supported DirectX 11.0 OpenGL 4.2
Form Factor Plug-in Card
Length 8.3"
Memory Speed 4500 MHz
Maximum Resolution 2560 x 1600
Cooler Type Fan Cooler
Memory Technology GDDR5 SDRAM
Height 5.4"
Bus Width 128 bit
Multi-GPU Technology CrossFireX
Green Compliant Yes
Green Compliance Certificate/Authority RoHS
Analog Signal Yes
Digital Signal Yes
Number of Monitors Supported 4
Chipset Manufacturer AMD
Chipset Model HD 7770
Chipset Line Radeon
Chipset Series HD 7000
DisplayPort Yes
Number of DisplayPort Outputs 2
Number of DVI Outputs 1
Number of HDMI Outputs 1
GPU Clock 1.05 GHz

Specifications    [ Edit | History ]
General Information  
     Brand Name: Gigabyte
     Manufacturer: GIGABYTE Technology, Inc
     Manufacturer Part Number: GV-R777OC-1GD REV2.0
     Manufacturer Website Address:
     Product Line: HD Experience
     Product Model: GV-R777OC-1GD (rev. 2.0)
     Product Name: HD Experience GV-R777OC-1GD (rev. 2.0) Radeon HD 7770 Graphic Card
     Product Type: Graphic Card
     DisplayPort: Yes
     DVI: Yes
     HDMI: Yes
     Host Interface: PCI Express 3.0 x16
     Number of DisplayPort Outputs: 2
     Number of DVI Outputs: 1
     Number of HDMI Outputs: 1
     Bus Width: 128 bit
     Memory Speed: 4500 MHz
     Memory Technology: GDDR5 SDRAM
     Standard Memory: 1 GB
     Green Compliance Certificate/Authority: RoHS
     Green Compliant: Yes
     Platform Supported: PC
     System Requirements:
  • Power requirement 450 W
  • Operating System(s): Windows 7

Physical Characteristics  
     Cooler Type: Fan Cooler
     Form Factor: Plug-in Card
     Height: 5.4" (136.5 mm)
     Length: 8.3" (212 mm)
     Thickness: 1.6" (41.5 mm)
Processor & Chipset  
     Chipset Line: Radeon
     Chipset Manufacturer: AMD
     Chipset Model: HD 7770
     Chipset Series: HD 7000
     GPU Clock: 1.05 GHz
Technical Information  
     Analog Signal: Yes
     API Supported: DirectX 11.0
OpenGL 4.2
     Digital Signal: Yes
     Features: Eyefinity Technology
EyeSpeed Technology
Avivo HD Technology
     Maximum Resolution: 2560 x 1600
     Multi-GPU Technology: CrossFireX
     Number of Monitors Supported: 4
     Limited Warranty: 3 Year

Gigabyte GV-R777OC-1GD Rev2.0 Customer Reviews

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-R777OC-1GD Rev2.0 reviews.
Experience: 2 Weeks
 Verified Owner
Cheap, good performance for the price
We alwayse want more POWER!
Great card for the value got it on sale!

Experience: 2 Weeks
 Verified Owner
Never Settle Bundle!
One of the best valued card I've ever bought for myself and my friends, if any of you guys are doing a budget build, this card is a must get!

Experience: 3 Days
 Verified Owner
Cheap, low noise, low power
Bought for 100$ and came with Far Cry 3. For that price, it was a steal for me. Wanted to use it for my little brother that wanted to play LoL

Experience: 1 Days
 Verified Owner
Great for a media pc and light gaming.
It's no beast.
I bought this for my HTPC. I wanted a quiet low power video card to hardware decode my blu ray library. This one fit the bill and without having to driver hack an NVIDIA card to get full 0-255 RGB output. On top of that I can play Skyrim from my couch.

Experience: 2 Weeks
 Verified Owner
a) Price - $99 after MIR !! My last card was a 6450 for ~$60
b) Silent as a mouse - the large fan runs silent in every load I've thrown at this card
c) Card design - memory and GPU are colocated under the heatsink making it easy to replace the cooler should one decide to do so
d) Performance - able to put out a mix of max/ultra quality settings depending on resolution preference
e) Power consumption - only recommends a 450 watt power supply, my last card 6450 recommended 400 watt
f) Works great on PCIE 1.1 - although card is PCIE 3.0 my MB only supports 1.1, some cards in the past I've seen are picky.

Great purchase ~most likely the last GPU I'll buy for this system build. Thanks AMD for elevating the entry level!
From what I've seen online this card is pretty much max'd out for stable OC with factory cooling (I've not tried myself). Any further OC would likely require water cooling or similar plus possible volt mod. BUT as previously mentioned the card is designed such that replacing the cooler should be trivial.
Very happy with this purchase.

Experience: 15 Days
great company
i hope this card will help my computeralways loved gigabytes, i already have a gigabyte motherboard so its gonna fit perfecly

Experience: 10 Days
 Verified Owner
high quality!
no problem!
Best quality for price . This is the one you need to buy actually.

Silent and powerful, i can drive my games with high graphics and it still all fluid. A must buy.

Thanks !

Experience: 1 Days
 Verified Owner
Runs fairly cool. 33C idle and at most 57C at full load.
Price is great.
Fan is pretty quite.
Rebate is a pain in the butt.
I was going to wait a week or so to write a review, but I had nothing to do today so I just sat here and ran a few games, benchmarks and played some videos.
Ran BF3 for about 3-4 hours at 1920x1080 and everything set at low (I don't really care about the cheessy effects and stuff) and the game ran at 47 to 107FPS. Actually the only time it dipped below 58FPS was (strangely enough) after I died and the kill screen was showing.
I also played FarCry2 at Ultra on DX10 with a Graphical Enhancement Suite mod. It was beautiful. The game set it's own frame rate to 30FPS lowest. During the heavy scenes(things blowing up, people moving around) the framerate actually picked up. Had no lag whatsoever. Also ran the Just cause 2 everything on max and it was great. I couldn't get FPS reading as my Fraps quit. I am running Win8 and fraps has, very often trouble running on it.
WEI is 7.4
3DMark 11 put the whole system at 3271.

AMD FX-6100 u4.0Ghz
Asus M5A97 R2.0 mobo
8GB Kingston RAM at 1600 (oc'ed from 1333)

If it wasn't for this stupid Windows 8 incompatibilities I would run more tests. Also my monitor is a piece of junk that runs at 1920x1080 but only has a VGA input so true HD is out for me.

Experience: 3 Weeks
 Verified Owner
cheap price. OC version
Can not gaming when using it on Windows 8
something wrong with Driver on Windows 8 for this card. only can run Low quality for COD.

Dalek Phalm
Experience: 1 Days
 Verified Owner
- Excellent Value
- Very quiet
- Keeps cool
- Non-reference design. Harder to find aftermarket cooling for things such as Water Blocks.
This video card is an excellent value. Very inexpensive (Got mine for $119 with an additional $20 MIR bringing it down to $99 After Rebate), yet extremely good performance for the price. This replaced a Radeon HD 4850, it runs almost twice as cool, and it's quite a bit better in games.

It's certainly not going to get you 60+ FPS in Battlefield 3 v1080p+ res, but it also won't cost you $300. For a low to mid-range gaming PC, or for an upgrade to an older system, you can't go wrong.

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Messages about GIGABYTE Radeon HD 7770 OC 1050MHZ 1GB 4.5GHZ GDDR5 DVI HDMI 2XMINIDP PCI-E Video Card

FSP 400W ?? (perkster- Oct 23, 13, 14 Replies) Read this message
What accessories does this come with? (Mike_S- Feb 11, 13, 4 Replies) Read this message
Does not fit in Nmedia HTPC-1000B case (Jarrah- Dec 09, 12, 5 Replies) Read this message
Didn't get my redeemable coupon (ChaoticIllusion- Nov 26, 12, 1 Replies) Read this message
this or crossfire my 5770? (Kris B Krunch- Sep 30, 12, 13 Replies) Read this message

Post a New Message  |    All Messages       Browse NCIX Forums

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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, 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. All NON-DEFECTIVE returns are subject to a 15% restocking fee. No refunds will be issued for blank media, digital cameras (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, 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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