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10 Best serial adapters of 2026
Explore top picks
Best Choice1
TRIPP LITE9.8Exceptional
TRIPP LITE Keyspan High-Speed USB to Serial Adapter, PC & Mac, USB-A to DB9 RS232 Male, 3 Foot / 0.91 Meter Cable, 3-Year Warranty (USA-19HS)
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is discontinued by manufacturer:No
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product dimensions:9 x 5.8 x 2.75 inches
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country of origin:USA
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item weight:5.3 ounces
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customer reviews:4.6 4.6 out of 5 stars 2,327 ratings 4.6 out of 5 stars
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Value for Money2
ANMBEST9.7Exceptional
ANMBEST 10PCS DB9 Female Breakout Connector,DB9 Solderless RS232 D-SUB Serial to 9-pin Port Terminal Adapter Connector Breakout Board with Case Long Bolts Tail Pipe
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is discontinued by manufacturer:N/A
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product dimensions:N/A
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country of origin: China
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item weight: 15.2 ounces
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customer reviews:4.6 4.6 out of 5 stars 469 ratings 4.6 out of 5 stars
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3
OIKWAN9.6Exceptional
OIKWAN USB to RS232, USB Serial Adapter with FTDI Chipset,USB 2.0 to Male DB9 Serial Cable for Windows 11,10, 8, 7, Vista, XP, 2000, Linux and Mac OS(6ft)…
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is discontinued by manufacturer:No
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product dimensions:8.3 x 0.66 x 6.7 inches
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country of origin:China
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item weight:3.2 ounces
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customer reviews:4.6 4.6 out of 5 stars 2,065 ratings 4.6 out of 5 stars
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4
Gearmo9.3Excellent
Gearmo USB to Serial RS-232 Adapter with LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7, Mac OS X 10.6 and Above
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is discontinued by manufacturer: No
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product dimensions: 5.5 x 3.5 x 0.6 inches
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country of origin:N/A
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item weight: 2.72 ounces
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customer reviews:4.6 4.6 out of 5 stars 1,187 ratings 4.6 out of 5 stars
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5
SABRENT9.2Excellent
SABRENT USB 2.0 to Serial (DB9 RS232) Adapter Cable, Prolific Chipset, Driver Support Required for Some Systems, Windows 11/10/8/7, macOS, Linux (CB-DB9P)
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is discontinued by manufacturer:No
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product dimensions:7.36 x 5.16 x 0.74 inches 3.21 ounces
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country of origin:China
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asin:B00IDSM6BW
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date first available:February 12, 2014
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6
DTECH9.0Excellent
DTECH Serial Adapter 3-Pack (DB9 F-F, M-F, M-M), Mini Size RS232 Coupler, Female to Male 9 Pin Connector, for PC Computer Data Transfer
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product dimensions:5.5 x 3.2 x 0.9 inches
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country of origin:China
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item weight:0.317 ounces
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customer reviews:4.1 4.1 out of 5 stars 91 ratings 4.1 out of 5 stars
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asin:B0BQRQGQ43
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7
StarTech.com8.8Very Good
StarTech.com 17in (43cm) 1-Port USB to Serial Adapter Cable, USB-A to DB9 RS232 Adapter, Prolific Chipset - M/M
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8
PUSR8.6Very Good
PUSR USR-TCP232-302 Tiny Size RS232 to TCP IP Converter Serial RS232 to Ethernet Server Module Ethernet Converter Support DHCP/DNS (1)
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9
StarTech.com8.4Good
StarTech.com DB9 to DB25 Serial Cable Adapter - F/M - Serial adapter - DB-9 (F) to DB-25 (M) - AT925FM
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10
Warmstor8.2Good
Warmstor 6-Pack 9Pin RS232 Serial Cable DB9 Male to Male/Female to Female Mini Gender Changer Adapter Coupler Connector
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