Your Browsing History
- In Stock
- Sold by Newegg
- AI Ready
- Make an Offer
- New
Any questions? Our AI mode will help you find out quickly.
Try me now
DIY Friendly Innovations
Shop GIGA-BYTE TECHNOLOGY
Quick View
Aomoproing Metal Case 4 Port Manual Rs-232 Switch for Pc Sharing to Serial Device 4 in 1 Out for Computer Printer Communication
- Model #: HYH-20260721-C7CC-1178
- $43.89 –
- Free Shipping
Quick View
FOR RS-232/RS-485 to 4 Ports RS-485 Hub 4Port RS485 HUB Instruction 600W protection each line Isolated
- Model #: 7300519717554
- $106.32 –
- Free Shipping
Quick View
Sunix 4056P Serial card one-to-four lines breakout cable 4-Port Serial RS-232 Adapter
Limited time offer, ends 08/30
- Model #: C7FW0720-OYJ-302
- $24.06 –
- Free Shipping
Quick View
PCIe to 4-Port RS-485/422 Serial Card with Opto-Isolation, Surge/Lightning Protection & Terminal Block - Industrial-Grade Multi-Port Expansion Card for COM Port, Automation, Communication
Limited time offer, ends 08/29
- Model #: C7FK-OYS-2026.7.28-67
- $74.99 –
- Free Shipping
Quick View
Sunix 4056P Serial card one-to-four lines breakout cable 4-Port Serial RS-232 Adapter
Limited time offer, ends 08/31
- Model #: WLC78S.0727.Pallet1914
- $23.07 –
- Free Shipping
Quick View
PCIe to 4-Port RS-485/422 Serial Card with Opto-Isolation, Surge/Lightning Protection & Terminal Block - Industrial-Grade Multi-Port Expansion Card for COM Port, Automation, Communication
Limited time offer, ends 08/29
- Model #: C7FK-OYS-2026.7.28-573
- $74.99 –
- Free Shipping
Quick View
FOR Industrial Isolated RS485/RS232 to 4 Ports RS-485 HUB
- Model #: 7304501879329
- $98.86 –
- Free Shipping
Quick View
MOXA NPort 5430 w/Adapter 4-Port RS-422/485 Serial Device Server, 10/100 Ethernet with Power Adapter, RS-422/485, Terminal Block
- Model #: CLOLB07CHQPZPG
- $882.99 –
- Free Shipping
Quick View
BUCIER Metal Case 4 Port Manual Rs-232 Switch for Pc Sharing to Serial Device 4 in 1 Out for Computer Printer Communication
Limited time offer, ends 08/31
- Model #: WLC78S.0728.Pallet181
- $43.88 –
- Free Shipping
Quick View
FOR Optical Isolated RS485/RS232 to 4/8 Ports RS-485 HUB
- Model #: 7304501877271
- $78.46 –
- Free Shipping
Quick View
FOR PCIE CH384L 4S DB9 RS232 Serial Port Card Controller Card PCI Express 384 Chip 4 ports rs-232 to pci-e com Adapter
- Model #: 7300519713129
- $33.26 –
- Free Shipping
Quick View
FOR UT-754P 4-Port Industrial RS-232 PCI Multi-Serial Port Card 3.3V and 5V PCI BUS
- Model #: 7300519717387
- $96.40 –
- Free Shipping
Quick View
FOR PCIE AX99100 4S DB9 RS232 Serial Port Card Controller Card PCI Express asix 99100 Chip 4 ports rs-232 to pci-e com Adapter cable
- Model #: 7300519715437
- $50.98 –
- Free Shipping
Quick View
DB44 pin to DB9 pin cable 4 Port DB9 RS-422 serial adapter cables for PCI card to 4 x RS422/485 cards
Limited time offer, ends 08/30
- Model #: C6WV-0729-OYJ-755
- $31.86 –
- Free Shipping
Quick View
FOR PCIE ASIX 99100 Chip 4S 4-port com DB9 RS232 Serial Port Card Controller Card PCI Express 4 ports rs-232 to pci-e Adapter
- Model #: 7300519712931
- $35.01 –
- Free Shipping
Quick View
FOR Mini PCIe to Serial RS-232 port DB9 Adapter 4 ports RS232 to Mini PCI-e Card chipset converter card
- Model #: 7300519715666
- $53.74 –
- Free Shipping
Quick View
FOR MCS9865 PCI to serial card RS-232 serial port expansion cards (4) 9-pin com RS232 port integrated
- Model #: 7300519716076
- $59.41 –
- Free Shipping
Quick View
DB44 pin to DB9 pin cable 4 Port DB9 RS-422 serial adapter cables for PCI card to 4 x RS422/485 cards
Limited time offer, ends 08/30
- Model #: C75J*OYJ*G1*0722-406
- $26.29 –
- Free Shipping
Quick View
Mini PCIe to Serial RS-232 port DB9 Adapter 4 ports RS232 to Mini PCI-e Card chipset converter card
Limited time offer, ends 08/23
- Model #: 20260720ZP6889C5JS
- $64.45 –
- Free Shipping
Quick View
FOR 4 Port rs-232 to Pcie controller card 4 DB-9 serial rs232 ports pcie controller card WCH384Lchipset support 10
- Model #: 7300519714829
- $43.92 –
- Free Shipping
Quick View
FOR UT-860 USB 2.0 to 4 Ports RS232 Adapter Convertor DB9 COM RS-232 Serial Port Multiplier USB2.0 TO RS232 HUB
- Model #: 7300519718476
- $253.20 –
- Free Shipping
Quick View
FOR DB44 pin to DB9 pin cable 4 Port DB9 RS-422 serial adapter cables for PCI card to 4 x RS422/485 cards
Limited time offer, ends 08/30
- Model #: C75J*OYJ*G1*0722-785
- $36.28 –
- Free Shipping
Quick View
Aomoproing DB44 pin to DB9 pin cable 4 Port DB9 RS-422 serial adapter cables for PCI card to 4 x RS422/485 cards
- Model #: HYH-20260721-C7CC-389
- $38.39 –
- Free Shipping
Quick View
FOR PCIE AX99100 4S DB9 RS232 Serial Port Card Controller Card PCI Express asix 99100 Chip 4 ports rs-232 to pci-e com Adapter cable
Limited time offer, ends 08/30
- Model #: C75J*OYJ*G1*0723-424
- $64.20 –
- Free Shipping
Quick View
Industrial Grade 1 to 1/2/4/8 Port RS-485 Repeater RS485 Isolator Extender Amplifier Isolation Protection
- Model #: CLOLB0H2SRGPB3
- $151.99 –
- Free Shipping
Quick View
Aomoproing PCI express 4 ports Serial RS422 RS485 card PCI-e to Multi RS-422 RS-485 adapter PCIe Industrial I/O Card + low profile bracket
Limited time offer, ends 08/29
- Model #: OYS-C5KU-7.24-0271
- $119.47 –
- Free Shipping
Quick View
FOR UT-8814 4-ports USB to RS-232 Serial Converter protection 15KV ESD portection
- Model #: 7300519716922
- $77.86 –
- Free Shipping
Quick View
DB44 pin to DB9 pin cable 4 Port DB9 RS-422 serial adapter cables for PCI card to 4 x RS422/485 cards
Limited time offer, ends 08/30
- Model #: C75J*OYJ*G1*0720-485
- $20.54 –
- Free Shipping
Quick View
Smart Card Reader 4-in-1, CAC Card Reader Military, SDHC/SDXC/SD & Micro SD Memory Card Reader for SIM and MMC RS & 4.0, Compatible with Windows, Linux/Unix, MacOS X-CAC Smart Card Reader
Limited time offer, ends 08/31
- Model #: WLC78S.0729.Pallet2126
- $27.99 –
- Free Shipping
Quick View
RECOIL RSX654 6.5 Inch 4 Way Coaxial Car Audio Speakers 200W Max Power Pair High-Performance & Balanced Sound
- Model #: 648735480423
- $69.99 –
- $5.99 Shipping
Quick View
Synology RackStation RS3618xs NAS Server with Xeon 2.4GHz CPU, 48GB Memory, 240TB HDD Storage, 4 x 1GbE LAN Ports, DSM Operating System Bundle with Rail kit
- Form Factor: Rackmount
- Processor: Intel Xeon
- Installed Memory: 48GB
- Model #: 840104397336
- $16,069.00 –
- Free Shipping
Quick View
Quantum RS422/485 Multi-Drop Solution 4-Port PCIe Card with 15KV ESD Protection for Factory Automation PLC Control
Limited time offer, ends 08/31
- Model #: C10V-S49-28
- $188.99 –
- Free Shipping
Quick View
Synology RS422+ 4-Bay NAS with 2GB RAM and 48TB (4 x 12TB) of Synology Plus Series Drives Fully Assembled and Tested By CustomTechSales
- Part Number: RS422+
- Port RJ-45: 2 x 1GbE (with Link Aggregation / Failover support)
- Port USB: 1 x USB 3.2 Gen 1 Port
- Form Factor: Rackmount
- Model #: RS422P-XXX-02-SPTB12
- $3,489.07 –
- Free Shipping
Quick View
BUYERS PRODUCTS RS2 14 1/4 in W Powder Coated Steel Retractable Truck Steps
- Type: Automotive Accessories
- Color: Black
- Model #: RS2
- $114.99 –
Quick View
RECOIL RSX694 6x9 Inch 4 Way Coaxial Car Audio Speakers 240W Max Power Pair High-Performance & Balanced Sound with Mylar Midrange, Two Tweeters for Crisp Highs
- Model #: 904957110402
- $89.99 –
- $5.99 Shipping
Quick View
Quantum Industrial 4-Port RS485 RS422 Serial Expansion Card for Mini PCIe Slot
Limited time offer, ends 08/31
- Model #: C10V-S49-53
- $108.99 –
- Free Shipping