30% OFF SELECT DYSON TECHNOLOGY

Shop now ›

Ends Monday.

Current Offers
  • (1,183)
  • (568)
  • (223)
  • (145)
Brand
  • (302)
  • (129)
  • (121)
  • (86)
  • (82)
  • (74)
  • (66)
  • (64)
  • (38)
  • (36)
  • (30)
  • (25)
  • (25)
  • (23)
  • (17)
  • (13)
  • (12)
  • (12)
  • (10)
  • (10)
  • (8)
  • (7)
  • (6)
  • (6)
  • (5)
  • (5)
  • (5)
  • (4)
  • (4)
  • (4)
  • (4)
  • (4)
  • (4)
  • (3)
  • (3)
  • (3)
  • (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)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
Price
  • (72)
  • (32)
  • (21)
  • (37)
  • (39)
  • (283)
  • (320)
  • (192)
  • (72)
  • (49)
  • (78)
  • (56)
  • (22)
  • (41)
Customer Reviews
  • (25)
  • (107)
  • (358)
  • (446)
  • (468)
  • (493)
External Hard Drive Type
  • (46)
  • (26)
Drive Interface
  • (77)
  • (54)
  • (49)
  • (38)
  • (2)
  • (2)
  • (1)
Cable Type
  • (6)
  • (2)
  • (1)
Color
  • (563)
  • (129)
  • (81)
  • (31)
  • (22)
  • (11)
  • (11)
  • (10)
  • (3)
  • (1)
Compatibility
  • (4)
  • (3)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
Hard Drive Size
  • (14)
  • (51)
  • (33)
  • (290)
  • (34)
  • (419)
  • (91)
  • (4)
  • (60)
Length of Cable
  • (14)
  • (3)
  • (1)
Collection
  • (220)
  • (59)
  • (10)
  • (3)
Condition
  • (1,185)
  • (129)

Accessories Resources


Accessories Questions

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

Sort by:
Items per page:
  • 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
$19.99
  • Free Shipping
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

Rating Breakdown

59%
(22 Reviews)
30%
(11 Reviews)
3%
(1 Review)
3%
(1 Review)
5%
(2 Reviews)
Value for Price:
4.4
Durability:
4.6
Ease of Use:
4.6
Compatibility:
5
  • Model: ST0005U
  • SKU: 8990443
Compatible with most 2.5" and 3.5" SATA hard drives up to 1TB; supports eSATA transfer speeds up to 3Gbps and USB 2.0 transfer speeds up to 480Mbps; Windows Vista ready
$49.99
  • Free Shipping
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

Rating Breakdown

73%
(162 Reviews)
20%
(46 Reviews)
4%
(9 Reviews)
1%
(3 Reviews)
2%
(5 Reviews)
Value for Price:
4.5
Ease of Use:
4.7
Performance:
4.5
Ease of Installation:
4.8
  • Model: ST0014U
  • SKU: 9419596
Compatible with most 2.5" and 3.5" internal SATA hard drives up to 2TB capacity; lets you connect 2 internal-type hard drives to your computer externally via USB port
$44.99
On Sale
SAVE $15 (Reg. $59.99)
  • Free Shipping
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

Rating Breakdown

71%
(118 Reviews)
22%
(36 Reviews)
3%
(5 Reviews)
3%
(5 Reviews)
1%
(1 Review)
Value for Price:
4.5
Compatibility:
5
Features:
5
Ease of Installation:
4.8
  • Model: 133247-00
  • SKU: 5620093
Compatible with Apple® iPod®, iPhone® and iPad® and other devices with a micro USB interface; charges and transfers data; dual-layer shielding; tangle-resistant flat cable design
  1.0  (1 Review)
$39.99
  • Free Shipping
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

Rating Breakdown

0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
100%
(1 Review)
Value for Price:
1
Quality:
1
Performance:
1
  • Model: ASW-USB3-25
  • SKU: 3459621
SATA - 2.50" - USB - SATA
$23.99
On Sale
SAVE $16 (Reg. $39.99)
  • Free Shipping
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

Rating Breakdown

59%
(193 Reviews)
24%
(79 Reviews)
8%
(26 Reviews)
3%
(11 Reviews)
6%
(20 Reviews)
Value for Price:
3.9
Ease of Use:
4.4
Performance:
4.2
Ease of Installation:
4.4
  • Model: JUA210
  • SKU: 5717247
Compatible with PC and Mac; connects your computer's USB 2.0 port to a VGA input; supports up to 1920 x 1200 resolution; multidisplay capable; hot-swappable, plug-and-play design
$49.99
  • Free Shipping
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

Rating Breakdown

64%
(169 Reviews)
24%
(66 Reviews)
4%
(12 Reviews)
4%
(12 Reviews)
4%
(11 Reviews)
  • Model: DX-UBDB9
  • SKU: 7135664
Connects a device with a serial port to a USB hub or computer; PC and Mac compatible
$9.99
  • Free Shipping
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

Rating Breakdown

46%
(42 Reviews)
26%
(24 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: NS-PCHD235
  • SKU: 5820005
Compatible with most 2.5" Serial ATA hard drives; USB 3.0 connectivity; PC and Mac compatible; USB-powered; plug-and-play design; aluminum material
$29.99
  • Free Shipping
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

Rating Breakdown

57%
(70 Reviews)
28%
(33 Reviews)
6%
(7 Reviews)
2%
(2 Reviews)
7%
(8 Reviews)
Value for Price:
2.2
Ease of Use:
3.2
Performance:
2.4
Ease of Installation:
3.1
  • Model: NS-PCHD335
  • SKU: 5824308
Compatible with most 3.5" Serial ATA hard drives; USB 3.0 connectivity; PC and Mac compatible; plug-and-play design; aluminum material
$39.99
  • Free Shipping
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

Rating Breakdown

61%
(42 Reviews)
30%
(21 Reviews)
7%
(5 Reviews)
1%
(1 Review)
1%
(1 Review)
Value for Price:
3.6
Ease of Use:
4
Performance:
3.8
Ease of Installation:
5
  • Model: EZ-UP3
  • SKU: 4351399
Compatible with 2.5" Serial ATA hard drives and solid state drives; connects a Serial ATA drive via USB 3.0
$41.99
On Sale
SAVE $3 (Reg. $44.99)
  • Free Shipping
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

Rating Breakdown

69%
(57 Reviews)
22%
(18 Reviews)
6%
(5 Reviews)
2%
(2 Reviews)
1%
(1 Review)
Value for Price:
4
Ease of Use:
4.4
Performance:
4.4
Ease of Installation:
4.5
  • Model: ES-551
  • SKU: 1308616894
1 x Network (RJ-45) - 1 x Serial Port - Fast Ethernet - Rail-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

$273.99
  • Free Shipping
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

  • Model: ES-279
  • SKU: 1305125146
1 x Network (RJ-45) - 8 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

$443.99
  • Free Shipping
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

  • Model: I-NA216UPLUS
  • SKU: 9532258
INEO USB 3.0-to-Serial ATA III Adapter Cable and Protective Case: Compatible with 2.5" Serial ATA hard drives and solid state drives; data transfer rates up to 5 Gbps
$19.99
  • Free Shipping
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

  • Model: I-NA218UPLUS-BL
  • SKU: 9532276
INEO USB 3.0-to-Serial ATA III Adapter Cable and Sleeve: Compatible with 2.5" Serial ATA hard drives and solid state drives; lightweight silicone sleeve; data transfer rates up to 5 Gbps
$19.99
  • Free Shipping
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

  • Model: I-NA218UPLUS- WT
  • SKU: 9532285
INEO USB 3.0-to-Serial ATA III Adapter Cable and Sleeve: Compatible with 2.5" Serial ATA hard drives and solid state drives; lightweight silicone sleeve; data transfer rates up to 5 Gbps
$19.99
  • Free Shipping
You may compare up to four items at a time.

Would you like to continue with the first four items you've selected?

No Thanks | Yes, continue to compare

Select 2 to 4 items to Compare