LABOR DAY 4-DAY SALE

Save on HDTVs, laptops, tablets and more.

Shop the sale ›

Ends Monday.

Current Offers

  • (21)
  • (89)

Brand

  • (8)
  • (7)
  • (6)
  • (5)
  • (5)
  • (5)
  • (5)
  • (5)
  • (4)
  • (4)
  • (4)
  • (3)
  • (3)
  • (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)

Price

to
  • (24)
  • (21)
  • (11)
  • (9)
  • (6)
  • (16)
  • (5)
  • (6)
  • (3)
  • (1)
  • (1)
  • (6)

Sold By

  • (59)
  • (50)

Battery Size

  • (4)
  • (2)

Inputs Outputs

  • (14)
  • (13)
  • (7)
  • (7)
  • (6)
  • (3)
  • (3)
  • (3)
  • (2)
  • (1)
  • (1)

Drive Interface

  • (5)

Color

  • (40)
  • (13)
  • (5)
  • (3)

Features

  • (14)
  • (12)
  • (10)
  • (9)
  • (9)
  • (8)
  • (7)
  • (7)
  • (6)
  • (5)
  • (4)
  • (4)
  • (4)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (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)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)

Customer Rating

  • (6)
  • (11)
  • (30)
  • (35)
  • (35)
  • (38)

Hard Drive Size

  • (11)
  • (2)
  • (3)
  • (1)

Collection

  • (5)
  • (2)
  • (1)

Condition

  • (109)
  • (7)

Networking Resources


Networking Questions

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

109 items
Sort by:
Items per page:
Elo - Computer Modules (for IDS -01 Series Displays) - Multi - Larger Front
  • Model: ECMG2
  • SKU: 1313265025
Intel Core i5 i5-3475S 3.60 GHz - 4 GB DDR3 SDRAM - 320 GB HDD - HDMI - USBEthernet
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

$942.99
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

Epson - USB Print Server - Larger Front
  • Model: UB-U02-III
  • SKU: 1306767963
1 x USB
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

$83.51
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

Panasonic - KX-T7601 Phone USB Module - White - Larger Front
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

$67.50
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

Transcend - 4GB USB 2.0 Flash Module (Horizontal) - Larger Front
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

$39.41
On Sale
Save $14 (Reg. $53.83)
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

Raritan - Computer Interface Modules (CIM) for USB/Sun - Larger Front
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

$151.99
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

Perle - 10 Gigabit Ethernet Managed Media Converter Module - Larger Front
  • Model: CM-10GT-SFP
  • SKU: 1310016651
1 x Network (RJ-45) - No - 10GBase-T - 1 x Expansion Slots - 1 x SFP+ Slots - 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

$680.99
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

Omnitron Systems - iConverter Gx AN SC Single-Mode 12km Plug-In Module - Larger Front
  • Model: 8503N-1-x
  • SKU: 1305442618
1 x 1000BASE-T; 1 x 1000BASE-LX; Internal Module; Lifetime Warranty
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

$666.99
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

Directed Electronics - XKLoader2 Computer Interface Module - Black - Larger Front
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

KAT Percussion - Electronic Drum and Percussion Pad Sound Module - Black - Larger Front
  • Model: EDRKTMP1
  • SKU: 9677537
KAT PERCUSSION Electronic Drum and Percussion Pad Sound Module: 4 velocity-sensitive pads; 50 drum and percussion sounds; hi-hat-controller-pedal and bass-drum-trigger inputs; USB/MIDI connectivity; reverb, sensitivity and level control tuning
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

Startech - KVM Switch Module for 1UCABCONS/17/19 8 Port USB - Black - Black - Larger Front
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

$224.99
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

Transcend - 4GB USB 2.0 Flash Module (Vertical) - Larger Front
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

$46.22
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

Transcend - 1GB USB 2.0 Flash Module (Vertical) - Larger Front
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

$20.32
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

Transcend - 512MB USB2.0 Flash Module (Vertical) - Larger Front
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

$8.09
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

Startech - 2-port CardBus Laptop USB 2.0 PC Card Adapter - Larger Front
  • Model: CBUSB22
  • SKU: 1306935096
2 x 4-pin Type A Female USB 2.0 USB - Plug-in Module
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

$25.13
On Sale
Save $5 (Reg. $29.99)
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

Startech - USB S-Video Composite Audio Video Capture Cable - Larger Front
  • Model: SVID2USB23
  • SKU: 1306796345
Functions: Video Capturing, Video Recording, Video Encoding, Signal Conversion, Video Editing - USB - 720 x 576 - NTSC, PAL, SECAM - USB - Plug-in Module
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

$53.99
On Sale
Save $21 (Reg. $74.99)
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

iBattz - Mojo Refuel USB Charger and Power Bank Kit - Black - Larger Front
  • Model: IB-UBC-BLK-KIT
  • SKU: 2774336
IBATTZ Mojo Refuel USB Charger and Power Bank Kit: Compatible with Refuel battery cases and select mobile phones and tablets; includes a Mojo Refuel USB charger, 3.7V, 2200 mAh I9300 S3 battery and micro USB charging cable
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.

$29.99
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

Alesis - Q25 USB/MIDI Keyboard Controller with 25 Velocity-Sensitive Keys - Black - Larger Front
  • Model: Q25
  • SKU: 5062613
From our expanded online assortment; compatible with PC, Mac and most MIDI hardware, modules and software; 25 velocity-sensitive keys; pitch and modulation wheels; backlit octave up and down buttons; USB-powered
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.

$79.99
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

NEC - ATSC Digital Tuner Module - Larger Front
  • Model: SB-03TM
  • SKU: 1309214105
Functions: TV Tuning - ATSC
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

$242.99
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

Directed Electronics - XKLoader2 Computer Interface Module - Black - Larger Front
  • Model: XKLOADER2
  • SKU: 1306834955
Directed Electronics XKLOADER2 Car Accessory Kit
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

$29.99
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

KAT Percussion - Electronic Drum and Percussion Pad Sound Module - Black - Larger Front
  • Model: EDRKTMP1
  • SKU: 1313036021
KAT PERCUSSION Electronic Drum and Percussion Pad Sound Module: 4 velocity-sensitive pads; 50 drum and percussion sounds; hi-hat-controller-pedal and bass-drum-trigger inputs; USB/MIDI connectivity; reverb, sensitivity and level control tuning
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

$119.95
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

Monoprice - 2 Ports USB 3.0 PCMCIA CardBus ExpressCard - Larger Front
  • Model: 8090
  • SKU: 1309329465
ExpressCard - Plug-in Module - 2 USB Port(s) - 2 USB 3.0 Port(s)
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

$22.65
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

IOGEAR - GEU302 2-port ExpressCard USB Adapter - Larger Front
  • Model: GEU302
  • SKU: 1306910871
ExpressCard - Plug-in Module - 2 USB Port(s) - 2 USB 3.0 Port(s)
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

$51.09
On Sale
Save $9 (Reg. $59.95)
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

Startech - 2 Port Flush Mount ExpressCard 54mm SuperSpeed USB 3.0 Card Adapter - Larger Front
  • Model: ECUSB3S254F
  • SKU: 1306935157
2 x 4-pin Type A Female USB 3.0 USB
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

$38.99
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

SIIG - Hi-Speed USB 4-Port CardBus - Larger Front
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

$47.05
On Sale
Save $16 (Reg. $62.58)
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

SYBA Multimedia - SY-EXP20055 Combo USB3 USB2 ExpressCard 34mm for Laptop PC - Larger Front
  • Model: SY-EXP20055-BP
  • SKU: 1310060579
ExpressCard/34 - Plug-in Module - 2 USB Port(s) - 1 USB 2.0 Port(s) - 1 USB 3.0 Port(s)
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

$26.80
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