LABOR DAY DEALS

Save on HDTVs, laptops, tablets and more.

Shop the deals ›


Current Offers

  • (257)
  • (731)
  • (5)

Brand

  • (145)
  • (108)
  • (74)
  • (72)
  • (59)
  • (46)
  • (44)
  • (37)
  • (30)
  • (29)
  • (23)
  • (20)
  • (17)
  • (15)
  • (13)
  • (12)
  • (10)
  • (10)
  • (8)
  • (8)
  • (7)
  • (7)
  • (7)
  • (6)
  • (6)
  • (5)
  • (5)
  • (5)
  • (4)
  • (4)
  • (4)
  • (4)
  • (4)
  • (4)
  • (4)
  • (4)
  • (4)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (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)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)

Price

to
  • (453)
  • (56)
  • (24)
  • (19)
  • (23)
  • (125)
  • (111)
  • (67)
  • (19)
  • (11)
  • (16)
  • (8)
  • (1)
  • (10)

Sold By

  • (760)
  • (183)

Cable Type

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

Color

  • (220)
  • (31)
  • (17)
  • (15)
  • (8)
  • (4)
  • (3)
  • (1)
  • (1)
  • (1)

Customer Rating

  • (17)
  • (49)
  • (171)
  • (204)
  • (209)
  • (221)

Length of Cable

  • (104)
  • (122)
  • (30)
  • (19)

Collection

  • (48)
  • (31)

Condition

  • (915)
  • (28)
  • (12)

Networking Resources


Networking Questions

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

943 items
Sort by:
Items per page:
  • Model: NS-PZ02501
  • SKU: 5884325
Connects a Serial ATA hard drive to a motherboard; data transfer rates up to 150MB/sec.; gold-plated 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.

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

$7.99
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

Rating Breakdown

66%
(102 Reviews)
23%
(35 Reviews)
6%
(9 Reviews)
2%
(3 Reviews)
3%
(4 Reviews)
Value for Price:
5
Durability:
5
Ease of Use:
5
Compatibility:
5
  • Model: NS-PU99501
  • SKU: 5883029
Connects a device with an RS-232 (DB9) serial port to a USB hub or computer; supports data transfer rates of more than 115 Kbps; PC and Mac compatible
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.

$19.99
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

Rating Breakdown

69%
(99 Reviews)
22%
(31 Reviews)
4%
(6 Reviews)
1%
(1 Review)
4%
(5 Reviews)
Value for Price:
4.4
Durability:
4.6
Ease of Use:
4.6
Compatibility:
5
  • Model: DX-PZ03501
  • SKU: 8720321
Connects a Serial ATA hard drive to a motherboard; data transfer rates up to 6 Gbps; gold-plated 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.

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

$4.99
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

Rating Breakdown

100%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
  • Model: PEXSAT34SFF
  • SKU: 1308381693
Serial ATA/600 - PCI Express 2.0 x2 - Plug-in Card - RAID Supported - JBOD, 0, 1, 0+1 RAID Level - 1 Total SAS Port(s) - 1 SAS Port(s) Internal
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

$64.24
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: DX-C102131
  • SKU: 7002904
Attaches a serial ATA hard drive to a motherboard; allows transfer rates up to 150MB/sec.
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.

$6.99
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

Rating Breakdown

59%
(45 Reviews)
24%
(18 Reviews)
11%
(8 Reviews)
5%
(4 Reviews)
1%
(1 Review)
Value for Price:
3.9
Durability:
4.5
Ease of Use:
4.5
Compatibility:
4.4
  • Model: CC317-06N
  • SKU: 1306845517
Serial for Printer, Mouse, Modem, Video Device - Extension Cable - 6 ft - 1 Pack - 1 x DB-9 Male Serial - 1 x DB-9 Female Serial - Shielding - Beige
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

$8.86
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: CC317-10N
  • SKU: 1306845524
Serial for Printer, Mouse, Modem, Video Device - Extension Cable - 10 ft - 1 Pack - 1 x DB-9 Male Serial - 1 x DB-9 Female Serial - Shielding - Beige
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

$7.95
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: DX-UBDB9
  • SKU: 7135664
Connects a device with a serial port to a USB hub or computer; PC and Mac compatible
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

Rating Breakdown

45%
(42 Reviews)
27%
(25 Reviews)
10%
(9 Reviews)
2%
(2 Reviews)
16%
(15 Reviews)
Value for Price:
3.6
Durability:
4
Ease of Use:
3.8
Compatibility:
3.8
  • Model: SDS1 P
  • SKU: 1305864403
1 x RJ-45 Serial, 1 x RJ-45 10/100Base-TX Network
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

$282.99
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: ADB0036
  • SKU: 1309314300
Cyclades ADB0036 Serial Crossover Adapter
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

$10.99
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

Rating Breakdown

0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
100%
(1 Review)
  • Model: 03039
  • SKU: 1304736770
DB-25 Male - DB-25 Male - 6ft - Beige
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

$4.39
On Sale
Save $1 (Reg. $5.84)
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: NM9MM
  • SKU: 1310785717
1 x DB-9 Male - 1 x DB-9 Male
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

$7.01
On Sale
Save $1 (Reg. $7.99)
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: 108790
  • SKU: 1310948556
eSATA/SATA - 3 ft - 1 x eSATA eSATA - 1 x SATA SATA - Shielding - Red
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

$3.73
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

Rating Breakdown

0%
(0 Reviews)
100%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
  • Model: 03029
  • SKU: 1304736763
DB-25 Male - DB-25 Female - 6ft - Beige
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

$16.51
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: NM9MF
  • SKU: 1310795228
1 x DB-9 Male - 1 x DB-9 Female
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

$7.10
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