DISCOVER TOP DEALS

Save on HDTVs, laptops, tablets and more.

Shop now ›


"120v ac to 12v dc converter"

Current Offers

  • (23)
  • (125)

Brand

  • (17)
  • (15)
  • (15)
  • (14)
  • (12)
  • (7)
  • (6)
  • (5)
  • (4)
  • (4)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)

Price

Enter Custom Price Range
to
  • (57)
  • (29)
  • (28)
  • (13)
  • (8)
  • (9)
  • (5)
  • (1)

Sold By

  • (134)
  • (16)

Included Components

  • (5)

Features

  • (11)
  • (5)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)

Primary Finish Color

  • (6)
  • (5)
  • (4)
  • (1)

Color

  • (45)
  • (31)
  • (9)
  • (5)
  • (5)
  • (1)

Customer Rating

  • (3)
  • (17)
  • (22)
  • (24)
  • (29)

Capacity

  • (2)

Height w/ Hinge

  • (11)

Refrigerator Capacity (cu. ft.)

  • (12)

Wattage

  • (5)
  • (24)
  • (7)
  • (13)

Condition

  • (150)
  • (2)

Computer Cards & Components Resources


Computer Cards & Components Questions

Ask fellow shoppers and Best Buy staff. Share your answers.

150 items
View:
Koolatron - Kool Kaddy 36-Quart 12V Cooler/Warmer - Silver - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: P75
  • SKU: 2099191
Plugs into your vehicle's DC outlet; holds up to fifty-seven 12-oz. cans; thermoelectric cooling technology; brushless motor and quiet fan; includes a divider shelf
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$123.99
On Sale
Save $36 (Reg. $159.99)
Koolatron - AC Power Adapter for Most 12V Koolatron Thermoelectric Coolers - Black - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: AC16
  • SKU: 2099206
Compatible with most 12V Koolatron thermoelectric coolers and other select 12V coolers and appliances; converts 110/120V AC power to 12V DC power; automatic-reset circuit breaker
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$29.99
Koolatron - Kargo Kooler 33-Quart 12V Cooler/Warmer - Silver - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: P65
  • SKU: 2099224
Plugs into your vehicle's DC outlet; holds up to forty-two 12-oz. cans; dual shelves; thermoelectric cooling module; split-lid/door design
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$128.99
On Sale
Save $11 (Reg. $139.99)
Streamlight - Stinger XT w/120V AC/12V DC 2 Holders (NiCd) - Black - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$134.88
On Sale
Save $85.80 (Reg. $220.68)
Cobra - Cpi1575 Power Inverter 12V Dc To 120V Ac 1500 - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: CPI 1575
  • SKU: 1304791557
Input Voltage: 12 V DC - Output Voltage: 120 V AC, 5 V DC
What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$108.88
Koolatron - Voyager 29-Quart 12V Cooler/Warmer - Silver - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: P27
  • SKU: 2099182
Plugs into your vehicle's DC outlet; holds up to forty-eight 12-oz. cans; thermoelectric cooling technology; brushless motor; motion- and tilt-resistant design; cord-storage compartment
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$113.99
On Sale
Save $16 (Reg. $129.99)
Koolatron - 18-Quart 12V Compact Cooler/Warmer - Gray - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: P20
  • SKU: 2099146
Plugs into your vehicle's DC adapter; holds up to twenty-three 12-oz. soft drink cans; thermoelectric cooling system; quiet motor and fan; latchless lid with swinging, foldaway handle; cord wrap
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$105.99
On Sale
Save $14 (Reg. $119.99)
Koolatron - Kargo Kooler 33-Quart 12V Cooler/Warmer - Silver - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: P65
  • SKU: 1309833849
Plugs into your vehicle's DC outlet; holds up to forty-two 12-oz. cans; dual shelves; thermoelectric cooling module; split-lid/door design
What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$131.90
HQRP - AC Adapter 110V to 12V 5Amp Converter for 40001 Igloo Kool Mate 56 Quart Cooler plus HQRP Coaster - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: 887774112091312
  • SKU: 1310464773
Save when you buy this bundle. Package includes AC Adapter 110V to 12V 5Amp Converter for 40001 Igloo Kool Mate 56 Quart Cooler and HQRP Coaster
What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$11.95
Koolatron - Voyager 29-Quart 12V Cooler/Warmer - Silver - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: P27
  • SKU: 1309758289
Plugs into your vehicle's DC outlet; holds up to forty-eight 12-oz. cans; thermoelectric cooling technology; brushless motor; motion- and tilt-resistant design; cord-storage compartment
What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$114.83
EdgeStar - 43 Quart 12V DC Portable Fridge/Freezer - Grey - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: FP430
  • SKU: 1309548965
Operates as a portable freezer or refrigerator; AC and DC power adapters included for household or vehicle use
What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$420.00
EdgeStar - 63 Qt. 12V DC Portable Fridge/Freezer - Grey - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: FP630
  • SKU: 1309651306
Operates as a portable freezer or refrigerator; AC and DC power adapters included for household or vehicle use
What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$520.00
Insignia™ - AC Power Adapter - Black - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: NS-AC501
  • SKU: 5019314
Compatible with most electronic devices; manual voltage selector switch; converts 120V AC to 3-12V DC with 600 mA maximum output; 7 adapter tips included
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$16.99
Rosewill - ATX12V & EPS12V Power Supply - Black - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: RD700-M
  • SKU: 1313287171
120 V AC, 230 V AC Input Voltage - 3.3 V DC, 5 V DC, 12 V DC, -12 V DC, 5 V DC Output Voltage - 1 Fans - Internal - Modular - ATI CrossFire Supported - NVIDIA SLI Supported - 700 W
What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$59.99
Rosewill - ATX12V & EPS12V Power Supply - Multi - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: Quark 1000
  • SKU: 1313281513
120 V AC, 230 V AC Input Voltage - 3.3 V DC, 5 V DC, 12 V DC, -12 V DC, 5 V DC Output Voltage - 1 Fans - Internal - Modular - ATI CrossFire Supported - NVIDIA SLI Supported - 90% Efficiency - 1 kW
What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$189.99
Rosewill - ATX12V & EPS12V Power Supply - Black - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: Glacier 700M
  • SKU: 1313287027
120 V AC, 230 V AC Input Voltage - 3.3 V DC, 5 V DC, 12 V DC, -12 V DC, 5 V DC Output Voltage - 1 Fans - Internal - Modular - ATI CrossFire Supported - NVIDIA SLI Supported - 85% Efficiency - 700 W
What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$79.99
Rosewill - ATX12V & EPS12V Power Supply - Black - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: Quark 750
  • SKU: 1313281490
120 V AC, 230 V AC Input Voltage - 3.3 V DC, 5 V DC, 12 V DC, -12 V DC, 5 V DC Output Voltage - 1 Fans - Internal - Modular - ATI CrossFire Supported - NVIDIA SLI Supported - 90% Efficiency - 750 W
What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$129.99
Rosewill - ATX12V & EPS12V Power Supply - Multi - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: Capstone G650
  • SKU: 1313281544
120 V AC, 230 V AC Input Voltage - 3.3 V DC, 5 V DC, 12 V DC, -12 V DC, 5 V DC Output Voltage - 1 Fans - Internal - Modular - ATI CrossFire Supported - NVIDIA SLI Supported - 85% Efficiency - 650 W
What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$99.99
Rosewill - ATX12V & EPS12V Power Supply - Multi - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: Quark 850
  • SKU: 1313281506
120 V AC, 230 V AC Input Voltage - 3.3 V DC, 5 V DC, 12 V DC, -12 V DC, 5 V DC Output Voltage - 1 Fans - Internal - Modular - ATI CrossFire Supported - NVIDIA SLI Supported - 90% Efficiency - 850 W
What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$159.99
Rosewill - ATX12V & EPS12V Power Supply - Multi - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: Quark 650
  • SKU: 1313281483
120 V AC, 230 V AC Input Voltage - 3.3 V DC, 5 V DC, 12 V DC, -12 V DC, 5 V DC Output Voltage - 1 Fans - Internal - Modular - ATI CrossFire Supported - NVIDIA SLI Supported - 90% Efficiency - 650 W
What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$109.99
Rosewill - ATX12V & EPS12V Power Supply - Multi - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: Capstone G1200
  • SKU: 1313281582
120 V AC, 230 V AC Input Voltage - 3.3 V DC, 5 V DC, 12 V DC, -12 V DC, 5 V DC Output Voltage - 1 Fans - Internal - Modular - ATI CrossFire Supported - NVIDIA SLI Supported - 85% Efficiency - 1.20 kW
What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$189.99
Rosewill - ATX12V & EPS12V Power Supply - Multi - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: Quark 1200
  • SKU: 1313281520
120 V AC, 230 V AC Input Voltage - 3.3 V DC, 5 V DC, 12 V DC, -12 V DC, 5 V DC Output Voltage - 1 Fans - Internal - Modular - ATI CrossFire Supported - NVIDIA SLI Supported - 90% Efficiency - 1.20 kW
What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$219.99
Rosewill - ATX12V & EPS12V Power Supply - Multi - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: Capstone G750
  • SKU: 1313281551
120 V AC, 230 V AC Input Voltage - 3.3 V DC, 5 V DC, 12 V DC, -12 V DC, 5 V DC Output Voltage - 1 Fans - Internal - Modular - ATI CrossFire Supported - NVIDIA SLI Supported - 85% Efficiency - 750 W
What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$109.99
Rosewill - ATX12V & EPS12V Power Supply - Black - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: Capstone G1000
  • SKU: 1313281575
120 V AC, 230 V AC Input Voltage - 3.3 V DC, 5 V DC, 12 V DC, -12 V DC, 5 V DC Output Voltage - 1 Fans - Internal - Modular - ATI CrossFire Supported - NVIDIA SLI Supported - 85% Efficiency - 1 kW
What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$149.99
Rosewill - ATX12V & EPS12V Power Supply - Multi - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: Capstone G850
  • SKU: 1313281568
120 V AC, 230 V AC Input Voltage - 3.3 V DC, 5 V DC, 12 V DC, -12 V DC, 5 V DC Output Voltage - 1 Fans - Internal - Modular - ATI CrossFire Supported - NVIDIA SLI Supported - 85% Efficiency - 850 W
What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$129.99