LABOR DAY 4-DAY SALE

Save on HDTVs, laptops, tablets and more.

Shop the sale ›

Ends Monday.

Current Offers

  • (21)
  • (83)
  • (2)

Brand

  • (38)
  • (15)
  • (7)
  • (7)
  • (6)
  • (5)
  • (5)
  • (5)
  • (5)
  • (4)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)

Price

to
  • (112)
  • (24)
  • (1)

Sold By

  • (117)
  • (20)

Customer Rating

  • (3)
  • (4)
  • (13)
  • (19)
  • (21)
  • (23)

Memory Type

  • (1)

Features

  • (16)
  • (2)
  • (2)
  • (1)

Color

  • (21)
  • (4)
  • (3)
  • (1)

Interfaces

  • (14)
  • (3)
  • (3)
  • (1)
  • (1)

Drive Interface

  • (14)
  • (3)
  • (3)
  • (1)
  • (1)

Condition

  • (137)
  • (3)

Computer Cards & Components Resources


Computer Cards & Components Questions

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

137 items
Sort by:
Items per page:
CMS - 4GB (1 x 4GB) MEMORY UPGRADE 4 Acer Aspire AS5750Z-4877 - Larger Front
  • Model: CM512648500SO094
  • SKU: 1306341507
4 GB (1 x 4 GB) - DDR3 SDRAM - 1066 MHz DDR3-1066/PC3-8500 - SoDIMM
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

$30.00
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

Targus - 90W AC Power Adapter for Select Laptops - Black - Larger Front
  • Model: APA90US
  • SKU: 3271032
Compatible with most Acer, Asus, Compaq, Dell, Fujitsu, Gateway, HP, Lenovo and Sony laptops; keeps your laptop powered; built-in surge protection; includes 6 interchangeable tips
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.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$44.99
On Sale
Save $15 (Reg. $59.99)
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

Insignia™ - AC Laptop Power Adapter - Black - Larger Front
  • Model: NS-PWLC591
  • SKU: 5202025
Compatible with select laptops that require 90W of power or less; 19V output; thermal, over-current and short-circuit protection
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.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$54.99
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

DENAQ - AC Power Adapter and Charger for Select Acer Laptops - Black - Larger Front
  • Model: DQ-ADT01008-5517
  • SKU: 6481862
Compatible with select Acer laptops; charges your laptop; safety fuses; smart technology
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.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$24.99
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

DENAQ - AC Power Adapter and Charger for Select Acer Laptops - Black - Larger Front
  • Model: DQ-PA165002-5517
  • SKU: 1342212
Compatible with select Acer laptops; charges your laptop; safety fuses; smart technology
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.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$20.99
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

Insignia™ - 65W Charger for Select Ultrabooks - Black - Larger Front
  • Model: NS-PWLC663
  • SKU: 4062039
Compatible with select ultrabooks; 19V output; overload protection
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.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$64.99
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

Insignia™ - Slim Universal AC Power Adapter - Black - Larger Front
  • Model: NS-PWLC593
  • SKU: 5201008
Compatible with most Acer, Asus, Averatec, Compaq, Dell, E-Machines, Fujitsu, Gateway, HP, HP/Compaq, Lenovo, Samsung, Sony and Toshiba laptops; 6 tips; 6' AC input cord; 90W output; cord management wraps
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.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$64.99
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

Insignia™ - 65W Charger for Select Ultrabooks - Black - Larger Front
  • Model: NS-PWLC563
  • SKU: 5326489
Compatible with select Acer, Asus, Dell, HP, Lenovo, MSI, Samsung and Toshiba Ultrabooks; 7 interchangeable tips; 19V output; 3.4 amps; blue LED indicator; overcurrent protection; short-circuit protection
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.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$64.99
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

Laptop Battery Pros - 65W AC Power Adapter for Select Acer Laptops - Black - Larger Front
  • Model: LBP-AAD65W6
  • SKU: 7098165
Compatible with select Acer TravelMate laptops; 19V output; USB port
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.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$39.99
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

Image Coming Soon
  • Model: ETCHGNBUNN
  • SKU: 4217400
Compatible with most laptops, including most Acer, Asus, Compaq, Dell, HP, Lenovo, Samsung, Sony and Toshiba models; charging indicator light; auto adjusting power regulation; overload, high-temperature and short-circuit protection; 13 adapter tips
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.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$49.99
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

Insignia™ - Slim Universal AC Laptop Power Adapter with USB Charging - Black - Larger Front
  • Model: NS-PWLC595
  • SKU: 5155139
Compatible with most laptops; easy-match numbered tips; 6' AC input cord; 90W variable output; cord management 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.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$69.99
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

Targus - Laptop Charger with USB Fast Charging Port - Black - Larger Front
  • Model: APA32US
  • SKU: 2809592
Compatible with select laptops and USB-compatible devices; 7 connector tips; built-in surge protection
$27.99
Clearance
Save $43 (Reg. $70.99)
Original Price:

The price at which Best Buy first offered this product for sale on 07/17/2011.

Intermediate markdowns may have taken place since that date.

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

DENAQ - AC Power Adapter and Charger for Select Acer Laptops - Black - Larger Front
  • Model: DQ-ADT01008-5517
  • SKU: 1305771848
Compatible with select Acer laptops; charges your laptop; safety fuses; smart technology
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

$44.99
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

Targus - Charger for Most Laptops - Black - Larger Front
  • Model: APA31US
  • SKU: 3560608
Compatible with most laptops; powers your device from an AC outlet; surge protection; interchangeable tip system
$29.99
Clearance
Save $30 (Reg. $59.99)
Original Price:

The price at which Best Buy first offered this product for sale on 10/23/2011.

Intermediate markdowns may have taken place since that date.

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

DENAQ - AC Power Adapter and Charger for Select Acer Aspire One Laptops - Black - Larger Front
  • Model: DQ-PA130004-5517
  • SKU: 6482015
Compatible with select Acer Aspire One laptops; charges your device; safety fuses; smart technology
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.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$22.99
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