Your Browsing History
- In Stock
- Sold by Newegg
- New
- Combo Deals Only
Any questions? Our AI mode will help you find out quickly.
Try me now

Quick View
PCIe to 8-Port RS-485/422 Serial Port Card, 8-Channel COM Expansion Card with TVS, Lightning/Surge Protection & Terminal Blocks - Industrial Multi-Port Data Communication
Limited time offer, ends 08/29
- Model #: Kepler-8.14-OYS-55
- $138.99 –
- Free Shipping

Quick View
FOR CP-168U V2 8-Port RS-232 Universal PCI Communication Board
- Model #: ZX-H6086
- $71.98 –
- Free Shipping

Quick View
PCI-1622CU REV.A1 8-port RS-422/485 Data Acquisition Card PCI-1622
- Model #: ZS59YY-375
- $216.88 –
- Free Shipping

Quick View
CP-168EL-A V1.1.1 CP-168EL-A 8-Port RS-232 Multi Serial Card PCI-E Interface V1.1.1
- Model #: DOQ-W221
- $144.53 –
- Free Shipping

Quick View
1 Pcs C168H/PCI 8-Port RS-232 Multi-serial Port Card
- Model #: DOQ-W633
- $235.30 –
- Free Shipping

Quick View
J-Tech Digital 8-Button Control Panel Wall Plate with Programmable LED Buttons, RS-232, RS-458, Relay and IR Control (JTD-P8)
- Model #: JTD-P8
- $199.99 –
- $7.99 Shipping

Quick View
UOTEK RS-232 RS-485 to 8 Ports RS485 Hub Industrial Grade UT-1208H Asynchronous Half-duplex RS232 RS485 Hub with Optoelectronic Isolation Fast Shipping
- Standards: RS-232/485 EIA/TIA
- Transfer Rate: 300bps-115.2Kbps
- LEDs: PWR, TXD, RXD, E1-E8 activity
- Temperature: -40? to 85?
- Model #: UT1208H
- $206.89 –
- More options from $183.19 - $206.89
- Free Shipping

Quick View
UOTEK Industrial 8 Ports RS485 Isolated Hub RS-485 DC12-48V 350Ma Voltage Input Asynchronous Half-duplex Hub with Lightning and Surge Protection UT-1128
- Standards: RS-232C, RS-485 EIA/TIA
- Transfer Rate: 300bps-115.2Kbps
- Temperature: -40 -85?
- Humidity: 5%-95%
- Model #: UT1128
- $157.19 –
- More options from $157.19
- Free Shipping

Quick View
UOTEK Industrial RS-232 RS-485 to 8 Ports RS-485 HUB 485 RS232 RS485 Optoelectronic Isolation ESD Anti Surge Adapter UT-1128
- Standards: RS-232C, RS-485 EIA/TIA
- Transfer Rate: 300bps-115.2Kbps
- Temperature: -40 -85?
- Humidity: 5%-95%
- Model #: UT-1128
- $173.19 –
- More options from $157.99 - $173.19
- Free Shipping

Quick View
UOTEK USB to RS-485 RS-422 Converter Cable 4.9FT RS485 RS422 to USB Adapter with FTDI Chip Support USB 2.0 Win11/10/8/7/XP/Vista/Mac System UT-890A
- Type: Adapter
- Type: USB CABLE
- Connector Detail: USB TO DB9
- Model #: UT-890A
- $23.59 –
- Free Shipping

Quick View
C168H ISA COM card RS232 8*port 8*RS-232 serial port card suitable for 486 586 motherboard ISA slot industrial motherboard
- Model #: WDF-F6827
- $112.29 –
- Free Shipping

Quick View
C32010T ISA COM card RS232 8*port 8*RS-232 serial port card suitable for 486 586 motherboard ISA slot industrial motherboard
- Model #: WDF-F7205
- $212.04 –
- Free Shipping

Quick View
UOTEK Industrial Grade RS-232 RS-485 to 8 Ports RS485 Hub RS485 to RS232 RS 485 Asynchronous Half-duplex with Optoelectronic Isolation UT-1208
- Standards: RS-232/485 EIA/TIA
- LEDs: PWR, TXD, RXD, E1-E8 activity
- Temperature: -40? to 85?
- Humidity: 5% to 95%
- Model #: UT-1208
- $120.90 –
- $24.50 Shipping

Quick View
UOTEK USB to RS-485 RS-422 Converter RS422 RS485 to USB 2.0 Adapter Serial Connector ESD Static Protection 5-pin Terminal Block UT-885 Win7/8/8.1/10/XP/Vista/CE/Mac/Linux
- Type: CONVERTER
- Color: Black
- Connector A: USB-A MALE
- Connector B: 5PIN TERMINAL BLOCK
- Model #: UT-885
- $23.06 –
- Free Shipping

Quick View
UOTEK Industrial PCI-E to RS-485 RS-422 4 Ports Serial Card PCIE to RS485 RS422 High Speed Converter DB9 Com Connector PC Serial Expansion Card UT-794 Support Win10/XP/Vista/Win7/8/8.1/NT4.0/CE 4.2/5.
- Connectors: DR44
- Temperature: -40~85°C
- Model #: UT-794
- $81.09 –
- Free Shipping

Quick View
FENG GUO USB to 4-Channel 3.3V 2V5 V1.8V 5V TTL UART Level Module RS-232 Serial RS485 Adapter Converter with F/;TD/;1 FT4232HL(4ttl1.8 2.5 3.3 5v)
- Model #: OYSC5KU.8.18-624
- $111.99 –
- Free Shipping

Quick View
Synology RS826RP+ AMD Ryzen V1500B 4-Bay NAS 32GB RAM, a 2-Port 10GbE Adapter, and 64TB (4 x 16TB) of Synology Plus NAS Drives Fully Assembled and Tested By CustomTechSales
- Brand: Synology
- Port RJ-45: 4 x 10/100/1000M 2 x 10GbE 10GBASE-T
- Port USB: 2 x USB 3.2 Gen 1 Ports
- Form Factor: 4-Bay
- Model #: RS826R_XT2_32_SPTB16
- $7,799.07 –
- Free Shipping

Quick View
Synology RS826RP+ AMD Ryzen V1500B 4-Bay NAS 8GB RAM, 800GB(2x400GB) Cache, and 16TB (4 x 4TB) of Synology Plus NAS Drives Fully Assembled and Tested By CustomTechSales
- Brand: Synology
- Port RJ-45: 4 x 10/100/1000M
- Port USB: 2 x USB 3.2 Gen 1 Ports
- Form Factor: 4-Bay
- Model #: RS826R_400_08_SPTB04
- $5,159.07 –
- Free Shipping

Quick View
Synology RS826RP+ AMD Ryzen V1500B 4-Bay NAS 8GB RAM, 800GB(2x400GB) Cache, and 80TB (4 x 20TB) of Synology Plus NAS Drives Fully Assembled and Tested By CustomTechSales
- Brand: Synology
- Port RJ-45: 4 x 10/100/1000M
- Port USB: 2 x USB 3.2 Gen 1 Ports
- Form Factor: 4-Bay
- Model #: RS826R_400_08_SPTB20
- $7,469.07 –
- Free Shipping

Quick View
Synology RS826RP+ AMD Ryzen V1500B 4-Bay NAS 8GB RAM, 800GB(2x400GB) Cache, and 32TB (4 x 8TB) of Synology Plus NAS Drives Fully Assembled and Tested By CustomTechSales
- Brand: Synology
- Port RJ-45: 4 x 10/100/1000M
- Port USB: 2 x USB 3.2 Gen 1 Ports
- Form Factor: 4-Bay
- Model #: RS826R_400_08_SPTB08
- $6,009.07 –
- Free Shipping

Quick View
Synology RS826RP+ AMD Ryzen V1500B 4-Bay NAS 4GB RAM and 32TB (4 x 8TB) of Synology Plus NAS Drives Fully Assembled and Tested By CustomTechSales
- Brand: Synology
- Port RJ-45: 4 x 10/100/1000M
- Port USB: 2 x USB 3.2 Gen 1 Ports
- Form Factor: 4-Bay
- Model #: RS826R_XXX_04_SPTB08
- $4,179.07 –
- Free Shipping

Quick View
Synology RS826RP+ AMD Ryzen V1500B 4-Bay NAS 8GB RAM and 16TB (4 x 4TB) of Synology Plus NAS Drives Fully Assembled and Tested By CustomTechSales
- Brand: Synology
- Port RJ-45: 4 x 10/100/1000M
- Port USB: 2 x USB 3.2 Gen 1 Ports
- Form Factor: 4-Bay
- Model #: RS826R_XXX_08_SPTB04
- $3,879.07 –
- Free Shipping

Quick View
Synology RS826RP+ AMD Ryzen V1500B 4-Bay NAS 32GB RAM, 800GB(2x400GB) Cache, and 32TB (4 x 8TB) of Synology Plus NAS Drives Fully Assembled and Tested By CustomTechSales
- Brand: Synology
- Port RJ-45: 4 x 10/100/1000M
- Port USB: 2 x USB 3.2 Gen 1 Ports
- Form Factor: 4-Bay
- Model #: RS826R_400_32_SPTB08
- $7,869.07 –
- Free Shipping

Quick View
Synology RS826RP+ AMD Ryzen V1500B 4-Bay NAS 8GB RAM, 800GB(2x400GB) Cache, and 24TB (4 x 6TB) of Synology Plus NAS Drives Fully Assembled and Tested By CustomTechSales
- Brand: Synology
- Port RJ-45: 4 x 10/100/1000M
- Port USB: 2 x USB 3.2 Gen 1 Ports
- Form Factor: 4-Bay
- Model #: RS826R_400_08_SPTB06
- $5,519.07 –
- Free Shipping

Quick View
Synology RS826RP+ AMD Ryzen V1500B 4-Bay NAS 8GB RAM, 1.6TB(2x800GB) Cache, and 24TB (4 x 6TB) of Synology Plus NAS Drives Fully Assembled and Tested By CustomTechSales
- Brand: Synology
- Port RJ-45: 4 x 10/100/1000M
- Port USB: 2 x USB 3.2 Gen 1 Ports
- Form Factor: 4-Bay
- Model #: RS826R_800_08_SPTB06
- $6,119.07 –
- Free Shipping

Quick View
Synology RS826RP+ AMD Ryzen V1500B 4-Bay NAS 16GB RAM, 800GB(2x400GB) Cache, and 32TB (4 x 8TB) of Synology Plus NAS Drives Fully Assembled and Tested By CustomTechSales
- Brand: Synology
- Port RJ-45: 4 x 10/100/1000M
- Port USB: 2 x USB 3.2 Gen 1 Ports
- Form Factor: 4-Bay
- Model #: RS826R_400_16_SPTB08
- $6,659.07 –
- Free Shipping

Quick View
Synology RS826RP+ AMD Ryzen V1500B 4-Bay NAS 8GB RAM, 800GB(2x400GB) Cache, and 64TB (4 x 16TB) of Synology Plus NAS Drives Fully Assembled and Tested By CustomTechSales
- Brand: Synology
- Port RJ-45: 4 x 10/100/1000M
- Port USB: 2 x USB 3.2 Gen 1 Ports
- Form Factor: 4-Bay
- Model #: RS826R_400_08_SPTB16
- $6,889.07 –
- Free Shipping

Quick View
USB to Serial Adapter, F&T>D*I Chipset USB 2.0 to Serial (9-Pin) DB-9 Male RS-232 COM Port Converter Cable(180cm,Full Pinout)
- Model #: OYSC5KU.8.18-73
- $102.98 –
- Free Shipping

Quick View
Synology RS826RP+ AMD Ryzen V1500B 4-Bay NAS 32GB RAM, a 2-Port 10GbE Adapter, and 16TB (4 x 4TB) of Synology Plus NAS Drives Fully Assembled and Tested By CustomTechSales
- Brand: Synology
- Port RJ-45: 4 x 10/100/1000M 2 x 10GbE 10GBASE-T
- Port USB: 2 x USB 3.2 Gen 1 Ports
- Form Factor: 4-Bay
- Model #: RS826R_XT2_32_SPTB04
- $6,059.07 –
- Free Shipping

Quick View
UNI-T UTE9806+ Single-Phase Digital Power Meter with RS-232/RS-485
- Model #: OYSC5KU.8.26-202
- $553.15 –
- Free Shipping

Quick View
Synology RS826RP+ AMD Ryzen V1500B 4-Bay NAS 4GB RAM, 1.6TB(2x800GB) Cache, and 24TB (4 x 6TB) of Synology Plus NAS Drives Fully Assembled and Tested By CustomTechSales
- Brand: Synology
- Port RJ-45: 4 x 10/100/1000M
- Port USB: 2 x USB 3.2 Gen 1 Ports
- Form Factor: 4-Bay
- Model #: RS826R_800_04_SPTB06
- $5,569.07 –
- Free Shipping

Quick View
Synology RS826RP+ AMD Ryzen V1500B 4-Bay NAS 16GB RAM, 800GB(2x400GB) Cache, and 80TB (4 x 20TB) of Synology Plus NAS Drives Fully Assembled and Tested By CustomTechSales
- Brand: Synology
- Port RJ-45: 4 x 10/100/1000M
- Port USB: 2 x USB 3.2 Gen 1 Ports
- Form Factor: 4-Bay
- Model #: RS826R_400_16_SPTB20
- $8,129.07 –
- Free Shipping



