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Top rated serial cables
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Best overall StarTech.comStarTech.com 6 Foot DB9 Male to DB9 Female RS-232 Serial Cable (ST-RA9M-006)
Durable, low-profile cable with gold-plated connectors that delivers reliable communication for most consumer and industrial devices.
- Gold-plated contacts
- Flexible jacket
- Wide compatibility
- No shielding for high-frequency noise
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Best budget pick DTECHSabrent DB9 Male to DB9 Female Serial Cable (DB9-5FT)
A cost-effective option that meets basic RS-232 needs without sacrificing connector quality.
- Affordable
- Compact size
- Easy to manage
- Lacks extra shielding
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Best for short runs
Cable Matters 3 ft RS-232 Serial Cable (CM-DB9-3FT)
A short, high-quality cable ideal for connecting devices on a desk or within a rack.
- Short length reduces latency
- Robust strain relief
- Clear labeling
- Limited length options
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Best for durability DTECH
Tripp Lite DB9 Female to DB9 Male Serial Cable (DB9SF)
Features a double-shielded design and a tough PVC jacket for use in industrial environments.
- Double shielding
- Rugged PVC jacket
- Secure clamp
- Stiff near connectors
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Best value DTECH
Monoprice 2 Meter Premium DB9 Serial Cable (MPR-002-DB9)
Offers a good balance of price and performance with reinforced connectors and a 2-meter length.
- Reinforced connectors
- Reasonable length
- Good price
- No gold plating
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Best for USB conversion UGREENUgreen 1.5 Meter USB to Serial RS-232 Adapter Cable
Combines a USB-A to DB9 serial connector, allowing modern computers to interface with legacy serial devices.
- Plug-and-play
- Compatible with Windows/macOS
- Compact
- Limited to USB-A hosts
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DTECH
HyiQ RS-232 6-Foot DB9 Male to Female Serial Cable
A straightforward cable with heat-shrink molded connectors for a secure fit in tight spaces.
- Heat-shrink connectors
- Flexible jacket
- No rating available