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Our most popular products based on sales. Updated frequently.
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Electronics
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Computers & Accessories
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Computer Components
I/O Port Cards
FireWire Port Cards
Parallel Port Cards
RAID Controllers
SCSI Port Cards
Serial Port Cards
(Current)
USB Port Cards
麻豆区 in Serial Port Cards
#1
PCIe Combo Serial Parallel Expansion Card PCI Express to Printer LPT Port RS232 Com Port Adapter IEEE 1284 Controller Card WCH382 Chip for Desktop PC Windows 10 with Low Bracket
4.2 out of 5 stars
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97
1 offer from
$27.98
#2
StarTech.com 2-Port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Dual Serial DB9 Card - 16950 UART - Expansion Card - Windows & Linux, TAA (PEX2S953)
4.6 out of 5 stars
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15
8 offers from
$59.77
#3
StarTech.com 2-Port Serial PCIe Card, Dual-Port PCI Express to RS232/RS422/RS485 DB9 Serial Card, Standard/Low-Profile Brackets, 16C1050 UART, ESD Protection, Windows/Linux (2S232422485-PC-CARD)
3.9 out of 5 stars
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2
2 offers from
$186.28
#4
LINKUP - AVA5 PCIE 5.0 Riser Cable | RTX5090 RX9070 GPU Ready | x16 128GB/s Speed | Compatible with Lian Li A4-H20 | Designed for Mini ITX Case | Double Reverse Black 19cm (Total Length 21cm)
4.5 out of 5 stars
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16
1 offer from
$132.96
#5
axGear Serial PCI-E Controller Card DB9 Com Port PCI Express Adapter 2 Ports RS-232 DB9
4.1 out of 5 stars
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35
1 offer from
$15.99
#6
ELIATER 2-Port PCIe Serial Expansion Card with Industrial DB9 RS232 COM Ports, 16C550 UART WCH382 Chip for Windows XP, Vista,7, 8.x, 10, 11 32/64bit and Linux PCs, Low Bracket Included
4.1 out of 5 stars
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94
5 offers from
$27.98
#7
2-Port PCIE Serial Card W / 16C1050 UART - RS232
4.2 out of 5 stars
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53
9 offers from
$67.66
#8
LINKUP - AVA5 PCIE 5.0 Riser Cable | RTX5090 RX9070 GPU Ready | x16 128GB/s Speed | Compatible with PCIe 4.0 & WRX80/WRX90E | Right Angle, Black 10cm (Total Length 14cm)
4.8 out of 5 stars
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5
1 offer from
$74.96
#9
LINKUP - AVA5 PCIE 5.0 Riser Cable | RTX5090 RX9070 GPU Ready | x16 128GB/s Speed | Compatible with Nanoq S | Designed for Mini ITX Case | Double Reverse Black 20cm (Total Length 22cm)
4.7 out of 5 stars
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17
1 offer from
$129.96
#10
GLOTRENDS Dual M.2 PCIe Adapter for PCIe and SATA SSDs, Support OS Booting, Including 2 Heatsinks, Thermal Pad and Screws (PA12-HS)
4.4 out of 5 stars
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303
2 offers from
$19.59
#11
LinksTek 2-Port PCI Express RS-232 DB9 Serial Port Card for Windows XP, Vista,7, 8.x, 10, 11 32/64bit and Linux PCs, PCIE RS232 Card, PCIE Serial DB9 Port Card (PCIE-SE2)
4.6 out of 5 stars
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82
3 offers from
$38.73
#12
PCIE Expansion Card Support GEN4 GEN3 Protocol & X8X8 Mode 1-to-2 Clock Splitter IC PCI-E 4.0 x16 1 to 2 Splitter Card
1 offer from
$67.03
#13
StarTech.com 1-Port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9-16950 UART - Low Profile Expansion Card - Windows & Linux (PEX1S953LP)
3.7 out of 5 stars
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9
10 offers from
$56.69
#14
StarTech.com 2-Port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9-16950 UART - Low Profile Expansion Card - Windows & Linux, TAA (PEX2S953LP)
4.6 out of 5 stars
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7
8 offers from
$68.99
#15
StarTech.com 2-Port PCI Express Serial Interface Card, Dual Port PCIe to RS232 (DB9) Serial Card, 16C1050 UART, Low/Full Profile Brackets, COM Retention, for Windows/Linux (21050-PC-SERIAL-LP)
5.0 out of 5 stars
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2
7 offers from
$70.97
#16
Ymiko Industrial Isolated RS232 to TTL Converter Module with DB9 Serial Interface for Embedded Communication Applications
1 offer from
$19.18
#17
StarTech.com 2-Port PCI Express RS232 Serial Adapter Card, PCIe to Dual Serial DB9, Windows/Linux, TAA - Replaced by PEX2S953
4.4 out of 5 stars
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394
#18
Waveshare 2-CH UART to Ethernet Converter Serial Port Transparent Transmission Module
3.6 out of 5 stars
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5
1 offer from
$26.99
#19
4pcs HC-12 SI4438 SI4463 Serial Port Module (SI4463)
2 offers from
$29.02
#20
Sintech M.2 (NGFF) NVME 2230 SSD to M2 A/E Key Port Card (Only Support 2230 nVME SSD)
#21
Waveshare RS232 to RS485/422 Active Digital Isolated Converter, Onboard Original SP3232EEN and SP485EEN Chips, RS232 DB9 Female Port
5.0 out of 5 stars
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3
1 offer from
$25.99
#22
StarTech.com PCIe Combo Adapter With Serial and Parallel Port - PCI Express Expansion Controller - 1x DB25 Parallel & 1x RS232 Serial - Printer Card (PEX1S1P950)
3.1 out of 5 stars
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7
10 offers from
$66.23
#23
NOYITO TTL to RS232 Module TTL RS232 Male Female Mutual Conversion Module Serial Level Conversion to SP232 TTL Serial Port Communicates with RS232 Level Device 15KV ESD Protect (Male)
4.6 out of 5 stars
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26
4 offers from
$12.99
#24
Be In Your Mind 10pcs TTL to RS485 Module 485 to Serial Port UART Module Level Converter Module Level Switching Power Module TTL Turn RS485 Power Supply
3.1 out of 5 stars
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2
1 offer from
$15.59
#25
RS232/485/422 to RJ45 Ethernet Converter, with POE Function, Bi-Directional Transparent Data, TCP/IP to Serial, Serial Server for Data Acquisition, IoT Gateway Intelligent Instrument Monitoring
4.6 out of 5 stars
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4
2 offers from
$46.41
#26
Deal4GO RS-232 COM Serial Port Board T5HNR KMW3T Replacement for Dell Optiplex 5070 5090 7070 7080 7090 7000 3080 3090 MT SFF Tower Desktop
1 offer from
$24.91
#27
PCIE RS232 2 ASIX AX99100 Serial Expansion Card for a Connection for Logistics Management Devices: PCB
2 offers from
$27.23
#28
MOXA MGATE MB3180 1-Port Standard Serial-to-Ethernet Modbus Gateways | MGate MB3180/MB3280/MB3480 Series
1 offer from
$355.00
#29
StarTech.com PCI Serial Parallel Combo Card - Dual RS232 Ports (DB9) & 1x LPT Port (DB25) - Expansion Controller Adapter (PCI2S1P2)
4.1 out of 5 stars
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10
5 offers from
$46.30
#30
StarTech.com 4 Port PCI Express Dual Profile PCIe Serial Card Adapter with Breakout Cable - 2 x RS232 2 x RS422/RS485 (PEX4S232485)
3.5 out of 5 stars
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14
2 offers from
$183.24
#31
2PCS WT32-ETH01 Embedded Serial Port ESP-32
2.5 out of 5 stars
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3
#32
axGear Serial PCI Controller Card DB9 Com Port Adapter 2 Ports RS-232 DB9
3.1 out of 5 stars
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9
2 offers from
$14.99
#33
WatangTech SG-C2303-01C USB to UART Serial Module (PL2303GS Chip) Supports 3.3V/5V TTL Level, Compatible with Windows/Linux/macOS/Raspberry Pi, High-Speed 12Mbps, with Hardware Flow Control (RTS/CTS)
5.0 out of 5 stars
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1
1 offer from
$21.42
#34
USR-DR302 DIN-Rail Modbus RS485 Serial Port to Ethernet Converter Bidirectional Transparent Transmission Between RS485 and RJ45
3.7 out of 5 stars
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26
2 offers from
$50.97
#35
StarTech.com 4-Port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9-16950 UART - Low Profile Expansion Card - Windows & Linux (PEX4S953LP)
5.0 out of 5 stars
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1
9 offers from
$141.99
#36
Ruilogod 54mm PCMCIA to RS232 Serial I/O Card
1.6 out of 5 stars
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3
1 offer from
$29.08
#37
StarTech.com PLATE9M2P16 2-Port 16in DB9 Serial-Port Bracket to 10-Pin Header
4.5 out of 5 stars
鈥
64
8 offers from
$10.55
#38
4Pcs HC-12 SI4438 Serial Port Module
5.0 out of 5 stars
鈥
1
1 offer from
$21.00
#39
ANMBEST 5PCS DB25 Solderless Connector, RS232 D-SUB Serial to 25-pin Port 16mm Thinner Terminal Male Adapter Breakout Board with Case Long Bolts Nuts
4.6 out of 5 stars
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14
3 offers from
$71.67
#40
RS-232 Industrial General Serial Device Server NPort 5210 Original
1 offer from
$301.11
#41
4 Port PCI Express RS232 Serial Adapter Card, PCIE Expansion Card PCI Express X1 to Interface 4 RS232 Serial Ports Wide Applications Adapter Card
2.9 out of 5 stars
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3
2 offers from
$34.46
#42
MAX3232 RS232 to TTL Serial Port Converter Module, DB9 Female | Compatible with Arduino, Raspberry Pi, ESP32, ESP8266 with Tutorials
5.0 out of 5 stars
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1
1 offer from
$14.81
#43
StarTech.com 2-Port PCI RS232 Serial Adapter Card - PCI Serial Port Expansion Controller Card - PCI to Dual Serial DB9 Card - Standard (Installed) & Low Profile Brackets - Windows/Linux (PCI2S5502)
4.3 out of 5 stars
鈥
33
#44
IO Crest 4 Serial Ports PCI-e Controller Card with Fan-Out Cable and Bundled Low Profile Bracket SI-PEX15038
4.2 out of 5 stars
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222
6 offers from
$65.58
#45
8 Port Serial DB9 RS-232 PCI Controller Card RDC C6238 Chipset
5.0 out of 5 stars
鈥
1
1 offer from
$173.21
#46
STARTECH.COM 2-Port Serial / 1-Port Parallel pci Card
4.3 out of 5 stars
鈥
46
#47
MZHOU PCI-Express PCIe Expansion Card - 1X Serial COM interfaces - COM Port RS232 Interface - Adapter Converter Card, RS-232 Module with 4 Connections, 18-pin
4.3 out of 5 stars
鈥
36
2 offers from
$28.99
#48
ELFJMZP M.2 NVMe SSD Protector Card/PCBA Extension Board for M.2 SSD Test Protection/Installation Extender, Matches 2230/2242/2260/2280/22110 Locations Supports NVME/SATA(NGFF) (4.9in./12.2cm)
3.7 out of 5 stars
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5
1 offer from
$12.99
#49
YOURRYONG 4Pcs HC-12 SI4438 SI4463 Serial Port Module (SI4438)
1 offer from
$25.00
#50
KOOBOOK 1Pcs Isolated USB to RS232 Serial Port Converter CH340 GND/TX/RX 5V Support for Protecting PC USB Ports in Demanding Settings
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