4 DAY SALE

Save on HDTVs, laptops, tablets and more.

Shop the sale ›


Ends Monday.

Current Offers
  • (9)
  • (22)
  • (1)
Brand
  • (7)
  • (5)
  • (3)
  • (3)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
Price
  • (20)
  • (5)
  • (2)
  • (1)
  • (1)
Length of Cable
  • (1)
  • (1)
Condition
  • (29)

Networking Resources


Networking Questions

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

Sort by:
Items per page:
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

$37.04
On Sale
Save $12.95 (Reg. $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

  • Model: NETRS2321P
  • SKU: 1310576391
1 x Network (RJ-45) - 1 x Serial Port - Fast Ethernet - Rail-mountable, Wall Mountable
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

$107.24
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

$57.24
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: TV-PC85
  • SKU: 1307797747
1024 x 768 - PAL, NTSC - VGARetail - External
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

$25.99
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

  • Model: 8491
  • SKU: 1310868052
1 x USB - 1 x SATA
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

$25.30
On Sale
Save $24.38 (Reg. $49.68)
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: ID-SC0G11-S1
  • SKU: 1308979852
1 x 62-pin DB-62 Female, 1 x 4-pin Type B Female USB - 1 Pack
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

$225.45
On Sale
Save $74.40 (Reg. $299.85)
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: 158282
  • SKU: 1310042421
Connects a SATA Drive to an IDE Controller
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

$29.91
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: TU-S9
  • SKU: 1304806046
Type A Male USB, DB-9 Male Serial - 2.72"
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

$15.66
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: USB-DH88
  • SKU: 1308738381
Compatible with most PC and Intel®-based Mac desktops and laptops; lets you add up to 6 displays to your computer; mirrors or extends your computer's desktop
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

$51.99
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

  • Model: IC485AI
  • SKU: 1309536887
1 Pack - 1 x DB-25 Female Serial - 4 x Serial
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

$86.24
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

$9.90
On Sale
Save $11.72 (Reg. $21.62)
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: 102276
  • SKU: 1310945593
1 Pack - 1 x Type B USB - 1 x DB-9 Male Serial
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

$12.03
On Sale
Save $8.96 (Reg. $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

  • Model: 10153
  • SKU: 1309323562
1 x SATA - 1 x IDC Female IDE - Black
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

$14.43
On Sale
Save $4.76 (Reg. $19.19)
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

$20.38
On Sale
Save $4.61 (Reg. $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

  • Model: CB-RS232
  • SKU: 1309122899
USB/Serial for Cellular Phone, PDA, Camera, Modem - 1 ft - 1 x Type A Male USB - 1 x DB-9 Male Serial
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

$9.99
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

Select 2 to 4 items to Compare