$(csi.user.businessName)

Skip to content Go to Product Search

Assistive Survey

Yardbird Best Buy Outlet Best Buy Business

Top Deals
Deal of the Day
Discover
My Best Buy Memberships
Credit Cards
Gift Cards
Gift Ideas

Order Status

Main Content

Deals
Support & Services
Brands
Shop by Department

Deals
Support & Services
Brands
Discover
Shop by Department
Account
Order Status
Recently Viewed
Saved Items
Top Deals
Deal of the Day
Gift Cards
My Best Buy Memberships
Credit Cards

Skip To Results

Keyspan Usb High Speed Serial Adapter

in Computers & Tablets (153)

Search all categories

Sort by:

Best Match

Tripp Lite - Keyspan USB-A to DB9 RS232 Male Serial Adapter 3 Ft USA-19HS - Black
Syndicated rating, 4.55 out of 5 stars with 60 reviews on tripplite.com.
(60 reviews from tripplite.com)
$58.65
Get it by Fri, Mar 20 • FREE
Compare
Compare
Startech - USB to Serial Adapter
Not yet reviewed
$38.99
Get it by Fri, Mar 20 • FREE
Compare
Compare
OMNIHIL - 30FT White High Speed Micro-USB 2.0 Cable Compatible with Netgear Arlo AD2037320 Power Adapter
Not yet reviewed
$15.96
Get it by Tue, Mar 24 • $4.99
Compare
Compare
OMNIHIL - 30FT White High Speed Micro-USB 2.0 Cable Compatible with UMX Power Adapter Model: TPA-5950100UU
Not yet reviewed
$15.96
Get it by Tue, Mar 24 • $4.99
Compare
Compare

Coolgear - USB 2.0 to RS-232 Serial Adapter with Isolation - Industrial Grade - Surge Protection - FTDI Chip - Black
Not yet reviewed
$86.49
Get it by Wed, Mar 25 • $6.99
Compare
Compare
FosPower - USB C to USB Adapter, USB 3.0, USB C to USB A Adapter, USBC to USB Adapter, Type C USB-C Adapter Converter, Grey - Multi
Not yet reviewed
$7.99
Get it by Mon, Mar 23 • FREE
Compare
Compare
FosPower - USB C to USB Adapter, USB 3.0, USB C to USB A Adapter, USBC to USB Adapter, Type C USB-C Adapter Converter, Copper - Multi
Not yet reviewed
$8.99
Get it by Mon, Mar 23 • FREE
Compare
Compare
Coolgear - USB 2.0 to RS-232 / RS-422 / RS-485 Selectable Serial Adapter - Convenient DIP Switches - Bus Powered - Surge Protection - Black
Not yet reviewed
$70.29
Get it by Wed, Mar 25 • $6.99
Compare
Compare

Sponsored

OMNIHIL - 30FT High Speed Micro-USB 2.0 Cable Compatible with DeWalt Bluetooth Radio Adaptor Model: DCR002
Not yet reviewed
$14.96
Get it by Tue, Mar 24 • $4.99
Compare
Compare
OMNIHIL - 15FT High Speed Micro-USB 2.0 Cable Compatible with DeWalt Bluetooth Radio Adaptor Model: DCR002
Not yet reviewed
$9.96
Get it by Tue, Mar 24 • $4.99
Compare
Compare
OMNIHIL - 5FT High Speed Micro-USB 2.0 Cable Compatible with DeWalt Bluetooth Radio Adaptor Model: DCR002
Not yet reviewed
$8.96
Get it by Tue, Mar 24 • $4.99
Compare
Compare
OMNIHIL - 30FT White High Speed Micro-USB 2.0 Cable Compatible with DeWalt Bluetooth Radio Adaptor Model: DCR002
Not yet reviewed
$15.96
Get it by Tue, Mar 24 • $4.99
Compare
Compare

New to Best Buy

Satechi - USB-A to USB-C Adapter - High-Speed Data Transfer & Power Delivery Charging, Designed for CarPlay - Silver

Satechi - USB-A to USB-C Adapter - High-Speed Data Transfer & Power Delivery Charging, Designed for CarPlay - Silver

$7.99$7.99

Satechi - USB-A to USB-C Adapter - High-Speed Data Transfer & Power Delivery Charging, Designed for CarPlay - Space Gray

Satechi - USB-A to USB-C Adapter - High-Speed Data Transfer & Power Delivery Charging, Designed for CarPlay - Space Gray

$7.99$7.99

Acer - USB C Hub, 10Gbps Type C Splitter with 4 USBC 3.2 Port, High Speed Type C Multiport Adapter - Gray

Acer - USB C Hub, 10Gbps Type C Splitter with 4 USBC 3.2 Port, High Speed Type C Multiport Adapter - Gray

$23.99$23.99

The price was $36.99

Acer - USB C Hub 10Gbps, USB 3.2 Gen 2 Adapter with 3 USB-A & 1 USB-C Ports, High Speed Type C Multiport Splitter - Gray

Acer - USB C Hub 10Gbps, USB 3.2 Gen 2 Adapter with 3 USB-A & 1 USB-C Ports, High Speed Type C Multiport Splitter - Gray

$24.99$24.99

The price was $36.99

HyperGear - WorldCharge Universal Travel Adapter with USB and USB-C - Black

HyperGear - WorldCharge Universal Travel Adapter with USB and USB-C - Black

$29.99$29.99

OMNIHIL - 30FT High Speed 2.0 USB Cable Compatible with Cricut Explore Mhines

OMNIHIL - 30FT High Speed 2.0 USB Cable Compatible with Cricut Explore Mhines

$15.96$15.96

OMNIHIL - 30FT High Speed Mini-USB 2.0 Cable Compatible with Blue Miniphones Yeti Multi-Pattern USB Miniphone

OMNIHIL - 30FT High Speed Mini-USB 2.0 Cable Compatible with Blue Miniphones Yeti Multi-Pattern USB Miniphone

$15.96$15.96

OMNIHIL - 30 Feet Long High Speed USB 2.0 Cable Compatible with ROTEL PSP-1576MKII

OMNIHIL - 30 Feet Long High Speed USB 2.0 Cable Compatible with ROTEL PSP-1576MKII

$15.96$15.96

OMNIHIL - 30FT High Speed Micro-USB 2.0 Cable Compatible with AKG Y500 Wireless Headphones

OMNIHIL - 30FT High Speed Micro-USB 2.0 Cable Compatible with AKG Y500 Wireless Headphones

$14.96$14.96

OMNIHIL - 15FT High Speed Micro-USB 2.0 Cable Compatible with AKG Y500 Wireless Headphones

OMNIHIL - 15FT High Speed Micro-USB 2.0 Cable Compatible with AKG Y500 Wireless Headphones

$10.96$10.96

OMNIHIL - 5 Feet Long 3.0 High Speed USB-A to C Cable Compatible with Bose Headphones 700

OMNIHIL - 5 Feet Long 3.0 High Speed USB-A to C Cable Compatible with Bose Headphones 700

$10.96$10.96

OMNIHIL - 15FT High Speed USB 2.0 Cable Compatible with HP 290 G4 Business Tower Desktop

OMNIHIL - 15FT High Speed USB 2.0 Cable Compatible with HP 290 G4 Business Tower Desktop

$10.96$10.96

OMNIHIL - 30FT High Speed USB 2.0 Cable Compatible with HP 290 G4 Business Tower Desktop

OMNIHIL - 30FT High Speed USB 2.0 Cable Compatible with HP 290 G4 Business Tower Desktop

$16.96$16.96

OMNIHIL - 30FT High Speed Micro-USB 2.0 Cable Compatible with AKG N200 Wireless Bluetooth Headphones

OMNIHIL - 30FT High Speed Micro-USB 2.0 Cable Compatible with AKG N200 Wireless Bluetooth Headphones

$14.96$14.96

OMNIHIL - 15FT High Speed Micro-USB 2.0 Cable Compatible with AKG N200 Wireless Bluetooth Headphones

OMNIHIL - 15FT High Speed Micro-USB 2.0 Cable Compatible with AKG N200 Wireless Bluetooth Headphones

$10.96$10.96

StarTech.com - USB312SAT3CB USB 3.1 to SATA III Adapter Cable for 2.5" Drives
Syndicated rating, 3.7777777 out of 5 stars with 9 reviews on startech.com.
(9 reviews from startech.com)
$25.49
Get it by Fri, Mar 20 • FREE
Compare
Compare
Rocstor - USB 3.0 Type A Male to USB-C Female Adapter
Not yet reviewed
$21.81
Get it by Fri, Mar 20 • FREE
Compare
Compare
Anker - USB C to Ethernet Adapter - Gray
Not yet reviewed
$39.99
Get it by Mon, Mar 23 • FREE
Compare
Compare
Mybat Pro - USB-C OTG Adapter with Power - White
Rating 5 out of 5 stars with 1 reviewfalse
$16.99
Get it by Mon, Mar 23 • FREE
Compare
Compare

Sponsored

Sanoxy - 6ft Cisco Console Cable USB-C to RJ45 8P8C Flat Serial Console Cable - Blue
Not yet reviewed
$22.99
Get it by Fri, Mar 27 • FREE
Compare
Compare
Sanoxy - USB B Female to Mini B 4-pin Male Adapter - Black
Not yet reviewed
$12.99
Get it by Fri, Mar 27 • FREE
Compare
Compare

1-18 of 153 items

12 3...9

Tell us about your search experience

Get it fast

Pickup · Ready todaySelect Store

Shipping · Get it today55423

Category

Computer Accessories & Peripherals

Monitor & Screen Accessories

Cables & Connectors

Hard Drives, SSD & Storage

Laptop Accessories

Wi-Fi & Networking

USB Wi-Fi Adapters

All Wi-Fi & Networking

Computer Cards & Components

Price

to

Less than $25

$25 - $49.99

$50 - $74.99

$75 - $99.99

$100 - $149.99

$150 - $199.99

$200 - $249.99

$250 - $499.99

Brand

Best Buy Brands

StarTech.com

OMNIHIL

Tripp Lite

HP

Acer

Gearmo

Hyper

Color

Black

Gray

White

Silver

Blue

Multi

Gold

Green

Discount

All Discounted Items

20% Off or More

30% Off or More

40% Off or More

50% Off or More

60% Off or More

Cable Type

USB

Power

Serial

Data transfer

Networking

HDMI

Condition

Connector Type

USB-A

USB-C

NEMA 5-15

NEMA 1-15P

HDMI Type A

USB-B

RJ45

DVI-I

Length of Cable

3.9' and Under

4' - 6.9'

7' - 10.9'

11' - 25.9'

26' - 50.9'

Sponsored

Sponsored

Sponsored

Similar products from outside of Best Buy

sponsored

Sponsored

Visit our Support Center
Check your Order Status
Shipping, Delivery & Store Pickup
Returns & Exchanges
Price Match Guarantee

Order & Purchases

Check Order Status
Shipping, Delivery & Pickup
Returns & Exchanges
Price Match Guarantee
Product Recalls
Trade-In Program
Gift Cards

Payment Options

My Best Buy® Credit Card
Pay Your Bill at Citibank
Lease to Own
Buy Now, Pay Later
Best Buy Business Financing

Support & Services

Visit our Support Center
Shop with an Expert
Schedule a Service
Manage an Appointment
Protection & Support Plans
Haul Away & Recycling
Contact Us

Rewards & Membership

My Best Buy Memberships
View Points & Certificates
Member Offers

Partnerships

Sell on Best Buy Marketplace
Advertise with Us
Affiliates: Creators & Publishers
Best Buy Health
Best Buy Education
Best Buy Business
Partner+

About Best Buy

Corporate Information
Careers
Corporate Responsibility
Sustainability

Sign in or Create Account

Get the latest deals and more.

Email Address

Best Buy appLearn more ›

How was your experience?

Best Buy Canada

Accessibility Terms & Conditions Privacy Interest-Based Ads State Privacy Rights Health Data Privacy Do Not Sell/Share My Personal Information Limit Use of My Sensitive Personal Information Targeted Advertising Opt Out CA Supply Chain Transparency Act

In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.