20 Of Best Serial Adapters In 2024

TOP 1

USB to Serial Adapter, BENFEI USB to RS-232 Male DB9 Serial Cable

BENFEI
000151black
0.39 x 0.39 x 0.39 inches
0.06 pounds

Our Score

4.9
TOP 2

USB to RS232, OIKWAN USB Serial Adapter

OIKWAN
70.87 x 1.38 x 0.63 inches

Our Score

4.85
TOP 3

Tripp Lite Keyspan High-Speed USB to Serial Adapter

Tripp Lite
USA-19HS
9.00 x 5.80 x 2.75 inches
0.35 pounds

Our Score

4.75
TOP 4

DSD TECH USB to TTL Serial Adapter

DSD TECH
SH-U09C
2.20 x 0.80 x 0.10 inches

Our Score

4.75
TOP 5

UGREEN USB to RS232 Adapter Serial Cable DB9 Male 9 Pin

UGREEN
20222
78.74 x 0.79 x 1.18 inches
0.31 pounds

Our Score

4.7
TOP 6

Gearmo USB Serial Adapter FTDI Chip RS232 DB-9 920K w/TX/RX LED

Gearmo
FTDI-LED
5.50 x 3.50 x 0.60 inches
0.17 pounds

Our Score

4.7
TOP 7

Gearmo 4 Port USB to Serial RS232 Adapter FTDI Chipset

Gearmo
USA-FTDI4X
36.00 x 1.50 x 0.50 inches
0.39 pounds

Our Score

4.7
TOP 8

YIOVVOM DB9 Breakout Connector to Wiring Terminal RS232 D-SUB Male Serial Adapters Port Breakout Board Solder-Free Module

YIOVVOM
DB9F019P
1.81 x 1.34 x 0.79 inches
0.06 pounds

Our Score

4.7
TOP 9

Tera Grand - Premium USB 2.0 to RS232 Serial DB9 Adapter

Tera Grand
USB2-VE487-TG
4.70 x 3.50 x 0.75 inches

Our Score

4.65
TOP 10

Sabrent USB 2.0 to Serial DB-9 RS-232 Adapter Cable 6ft Cable

SABRENT
CB-FTDI
9.20 x 5.40 x 1.40 inches
0.25 pounds

Our Score

4.55
TOP 11

StarTech.com USB to Serial RS232 Adapter

StarTech
ICUSB232FTN
70.90 x 1.20 x 0.60 inches
0.20 pounds

Our Score

4.55
TOP 12

DTECH 10 Feet USB 2.0 to RS232 DB9 Serial Port Adapter Cable

DTech
BC77525
9.40 x 1.90 x 6.20 inches
0.15 pounds

Our Score

4.45
TOP 13

Plugable USB to Serial Adapter

Plugable
PL2303-DB9
26.50 x 1.50 x 0.60 inches
0.02 pounds

Our Score

4.35
TOP 14

DB9 null modem male to female slimline data transfer serial port adapter 2 Pack

KINGDEE INC
KAD9D90001-S-2
1.30 x 0.50 x 0.70 inches
0.05 pounds

Our Score

4.3
TOP 15

USBGear USB to Serial Adapter RS-232 DB-9 Male

USBGear
USBG-232
3.50 x 0.30 x 2.80 inches

Our Score

4.25
TOP 16

Sabrent 6-FT USB to RS-232 DB9 Serial 9 pin Adapter SBT-USC6K

SABRENT
SBT-USC6K
6.00 x 1.00 x 5.00 inches
0.24 pounds

Our Score

4.25
TOP 17

HiLetgo FT232RL FTDI Mini USB to TTL Serial Converter Adapter Module 3.3V 5.5V FT232R Breakout FT232RL USB to Serial Mini USB to TTL Adapter Board

HiLetgo
3-01-0661-1
6.00 x 0.50 x 4.00 inches

Our Score

4.15
TOP 18

Gearmo 2-Port USB to Serial Adapter TX/RX LED & COM Retention FTDI Chipset 920K Baud Rate

Gearmo
USA-FTDI2X
7.20 x 1.60 x 5.60 inches
0.60 pounds

Our Score

4.1
TOP 19

StarTech.com DB9 to RJ45 Modular Adapter

StarTech
GC98FF
3.23 x 0.79 x 5.91 inches
0.04 pounds

Our Score

4
TOP 20

USB to RS232 Male Adapter

CableCreation
CD0493

Our Score

4