Available online only
The PEX4S232485 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 lets you add two RS232, and two RS422/485 serial ports to your PC through a PCI-Express expansion slot.
This PCI express serial card is a single card solution that is compatible with nearly any serial communication protocol, supporting RS-232, RS-422, RS-485 2-wire or RS-485 4-wire operating modes.
A flexible solution for adding serial ports to full-sized, or small form factor systems, the 4-port serial card includes both low and full profile brackets while the included breakout cable helps to avoid cluttered connections.
Backed by a StarTech lifetime warranty and free lifetime technical support.
- No restrictions in Canada
|Best Buy for Business||Restocking Fees / Return Eligibility|
|Air Conditioners, Radar Detectors, Cameras & Camcorders, Computers, Monitors, Printers, Tablets, iPads & eReaders, DJ & Karaoke Equipment, Portable DVD Players, Gaming PCs, Seasonal Holiday Goods||30 Days||0%||15%|
|Cell Phones||15 Days||0%||15%|
|Major Appliances, Headphones and Earphones, Baby, Juvenile & Maternity Products, Beauty, Grooming & Personal Products, Child Safety (Gates, Car Seats, etc.), Personal Care, Camera Lenses and Flashes, Drones, Full-Frame Cameras, Photo Film, Blank Media (Digital Memory, Hard Drives, Computer Components, etc.), Portable Storage Media & Hardware, Fitness Equipment & Accessories, Jewelry (excluding Earrings), Bedding & Bath, Cleaning Supplies & Chemicals, Mattresses, Pet Supplies, Batteries, Office Supplies, Office Supply Consumables (Ink, Toner, etc.), Musical Instrument Consumables (Guitar Strings, Microphones, etc.), Wind Instruments (e.g. Harmonicas), Hobby-grade R/C Vehicles, 3D Glasses, CDs, Movies & TV Shows (DVD and Blu-ray), Video Games, Virtual Reality Headsets, Safety Goods||30 Days||0%||Not Returnable|
|Furniture & Decor, Home Office Furniture||30 Days||0%||15%|
|Books, Magazines, and Copyright Materials, Digital Downloads, Intimate Products, Pre-paid Cards, Services, Deliveries & Installations, Food, Vitamins & Supplements, Earrings||30 Days||Not Returnable||Not Returnable|
|All other products||30 Days||0%||15%|
All returned products must include original packaging.
Return shipping costs will be paid by the seller for all cases where the product is defective, damaged or incorrect. For other cases (e.g. you changed your mind), you will be responsible for this cost.
To request a return
Please contact the seller directly from your Order details page, and provide the following information:
- Web ID (8-digit number) & product description
- Number of items to be returned
- Date you recieved your product
- Condition of product
- Condition of packaging
- Reason for return
All refunds will be processed within 4 days
Please take special note that your Best Buy for Business order or any other Marketplace orders are NOT applicable for Extended Holiday Return Policy.
Please visit our Return Policy page for complete details on our Return Policy.