here!
I’m your shopping assistant for PC builds, upgrades, and everything tech.
Got questions? Ask away!
Start a conversation
- Sold by Newegg
- New
Any questions? Our AI mode will help you find out quickly.
Try me now
Quick View
StarTech.com PEX1S953LP 1 Port RS232 Serial Adapter Card with 16950 UART - PCI Express Serial Port Card - 921.4Kbps - Windows & Linux Compatible
- Type: PCI Express to Serial Port Card
- External Ports: 1 x DB-9 (9 pin, D-Sub) Male
- Internal Ports: 1 x LP4 (4 pin; Large Drive Power) Male Input 1 x PCI Express x1 Male
- Operating Systems Supported: Windows Server 2003, 2008 R2, 2012, 2012 R2, 2016 Linux 2.4.x to 2.6.x LTS Versions only
- Model #: PEX1S953LP
- $59.99 –
- More options from $59.64
- Free Shipping
Quick View
EN-Labs 8 Port SATA PCIe Card, 6 Gbps SATA 3.0 to PCI-e X4 Card,PCI Express to SATA Controller Expansion Card, SATAIII Non-Raid,with Full Profile & Low Profile Bracket (ASMedia ASM1166 Chipset)
Limited time offer, ends 10/30
- Type: SATA Expansion Card
- Model #: 11-003-001
Quick View
MuxLab 500481-I, HDMI/RS232 UHD 4K 4 Channel Input Card
- Model #: TOLDB073WHF234
- $471.99 –
- Free Shipping
Quick View
Refurbished Mellanox ConnectX-4 25GbE Dual-Port SFP28 Network Interface Card MCX4121A-ACAT
- Model #: MCX4121A-ACAT
- $88.00 –
- Free Shipping
Quick View
192KHZ digital-to-analog audio converter, fiber-to-analog-to-digital video converter, DAC audio converter
- Model #: EC-1577
- $47.75 –
- Free Shipping
Quick View
Vszerda USB 3.1 Gen 2 10 Gbps 4 Port Type-A PCI-e 3.0 x4 ASMedia ASM3142 Controller,SI-PEX20233
Limited time offer, ends 10/25
- Model #: SI-PEX20233
- $198.99 –
- Free Shipping
Quick View
Mellanox MCX314A-BCCT Connectx-3 EN Network Adapter PCI Express 3.0 X8 56 Gigabit Ethernet
- Model #: 972365720445
- $216.20 –
- Free Shipping
Quick View
Waveshare 5G M.2 to Gigabit Ethernet Converter, 5G M.2 to USB3.1, Aluminum Alloy Case, Wall-Mount Support, Quad Antennas, Onboard M.2 Key B Interface, USB3.1 Port
- Model #: 9391048855129
- $93.99 –
- $5.00 Shipping
Quick View
Mellanox MCX516A-CCAT EN Network Interface Card, 100GbE Dual-port QSFP28, PCIe3.0 x16
- Model #: BEMCX516A-CCAT
- $498.20 –
- More options from $490.00 - $922.00
- Free Shipping
Quick View
Mellanox ConnectX-5 VPI adapter card, EDR IB (100Gb/s) and 100GbE, dual-port QSFP28, PCIe3.0 x16, tall bracket, ROHS R6
- Connectors: QSFP28 / QSFP+ / QSFP
- Features: Data Transfer Rate: 100 Gbps Data Link Protocol: 100 Gigabit Ethernet Connectivity Technology: Wired
- Weight: 0.44
- Model #: MCX556A-ECAT
- $519.20 –
- More options from $513.02 - $1,453.00
- Free Shipping
Quick View
- $1,994.00 –
- More options from $1,994.00 - $2,999.00
- Free Shipping
Quick View
Sonnet McFiver Multifunction PCIe Card,2x SSD Slots,1x 10GbE Port,2x USB-C Ports
- Model #: G10E-USBC-M2-E
- $349.99 –
- $7.85 Shipping
Quick View
mellanox mcx354a-fcbt connectx-3 vpi 40gbe pcie3.0 x8 8gt/s 2-ports qsfp fdr ib 56gb/s connect-3 adp
- Model #: RNAB00J270R32
- $123.25
- $115.20 –
- Save: $8.05 (6%)
- More options from $115.20 - $219.00
- Free Shipping
Quick View
StarTech.com 3 Port 2b 1a Low Profile 1394 PCI Express FireWire Card Adapter Model PEX1394B3LP
- Type: PCI Express to 1394 Card
- External 1394 Ports: 2 x 1394b 1 x 1394a
- Standard: 1394A x 1/1394B x 2
- Data Transfer Rate: FireWire 800 IEEE-1394b - 800 Mbit/s
- Model #: PEX1394B3LP
Quick View
Mellanox ConnectX-6 VPI 100Gigabit Ethernet Card MCX653106AECATSP
- Model #: MCX653106AECATSP
- $949.00
- $917.21 –
- Free Shipping
Quick View
Nexhi 10L1-01300-06 6' Audio Cable-Female XLR to 1/4" Stereo Plug
- Model #: 10L1-01300-06
- $9.99 –
- Free Shipping
Quick View
USB to 3.5mm Audio Jack Serial Converter M~ni Adapter Plug RX- TTX RS232 Upgrade Board Cable (Size : 3.2ft, Color : Black)
- Model #: PEGLB0CS5Y4FXD
- $102.79 –
- More options from $102.79
- Free Shipping
Quick View
Black Box Multipower Miniature Transceiver-Media Converter
- Model #: 822088149156
- $349.12 –
- More options from $344.97 - $365.19
- Free Shipping
Quick View
Mellanox Technologies MCX512A-ACAT CONNECTX-5 EN Network Interface Card, 25GBE Dual-Port SFP28, PCIE3.0 X8, Tall BR
- Model #: walmart-meeto-6129
- $264.10 –
- More options from $264.10 - $266.00
- Free Shipping
Quick View
EnLabs PCIE100MNW 10/100Mbps RJ45 Fast Ethernet LAN PCI Express / PCIE Network Adapter / PCI-e Network Controller Card w/ Full-Profile PCI Slot Cover (Realtek RTL8211 chipest)
Limited time offer, ends 10/30
- Model #: PCIE100MNW
Quick View
Waveshare 5G DONGLE Expansion Board ONLY, USB 3.2 Port, Aluminum Alloy Case, Quad Antennas, Onboard M.2 Key B Interface, Does NOT Include 5G Module
- Model #: 664041128880
- $86.79 –
- Free Shipping
Quick View
Mellanox ConnectX-6 VPI 100Gb/s InfiniBand & Ethernet Adapter Card - PCI Express 4.0 x16 - 1 x Total Infiniband Port(s) - QSFP - Plug-in Card
- Connectors: QSFP
- Model #: MCX653105A-ECAT
- $1,858.49 –
- More options from $1,858.49 - $2,258.00
- Free Shipping
Quick View
XMSJSIY PCIe to USB A 3.0 Type-C Expansion Card
- Model #: 946250830236
- $47.99 –
- $5.99 Shipping
Quick View
NIC Card WISDUM ConnectX-4 MCX4121A-XCAT 10Gigabit Ethernet Card
Limited time offer, ends 10/18
- Model #: XM728-C7FT-93
- $83.99 –
- Free Shipping
Quick View
D-Link High Speed USB 2.0 2-Port PCI Adapter Model DUB-A2
- Type: PCI to USB Card
- External USB Ports: 2x USB Ports
- Standard: USB Specification Version 2.0 / 1.1 / 1.0 OHCI 1.1 (Open Host Controller Interface) EHCI .95 (Enhanced Host Controller Interface)
- Data Transfer Rate: 480/12/1.5 Mbps
- Model #: DUB-A2
- $15.00 –
Quick View
waveshare RS232/485/422 to CAN Industrial Isolated Converter, Supports Modbus RTU Conversion, Multiple Protection Circuits
- Model #: PEGLB0CSFH8QTN
- $76.18 –
- More options from $76.18 - $78.99
- Free Shipping
Quick View
MZHOU PCle 16-Port SATA III Controller Expansion Card, 6Gbps X1/X4/X8/X16, Supports 16 SATA Devices with Cables and Low Profile Bracket (ASM1064 Chip)
- Model #: 694782047898
- $104.99 –
- $5.99 Shipping
Quick View
Dual Port Serial Industrial DB9 COM RS232 PCIe X1 Card for Desktop PC with Low Bracket Moschip MCS9922 SD-PEX15022
Limited time offer, ends 11/10
- Model #: 664041131125
- $48.64 –
- Free Shipping
Quick View
DTech 2-Port RS232 Serial Splitter Box COM Port Expander 1x2 with Power Adapter for Sharing PCs and Capture Data
- Model #: PEGLB07L2ZN8J6
- $39.99 –
- More options from $39.99 - $72.99
- Free Shipping
Quick View
Mellanox ConnectX-3 EN Network Adapter MCX312A-XCBT
- Model #: 9099773803803
- $359.20 –
- More options from $359.20 - $459.00
- Free Shipping
Quick View
Waveshare 5G DONGLE Expansion Board ONLY, USB 3.2 Port, Aluminum Alloy Case, Quad Antennas, Onboard M.2 Key B Interface, Does NOT Include 5G Module
- Model #: 916268404743
- $76.99 –
- $5.99 Shipping
Quick View
CY USB 3.0 Hub Sound Card USB-C 2 Port USB 60mm Desk Grommet Splitter Dock Station Headphone Mic Audio Interface for Desktop PC
- Model #: 880395168550
- $45.99 –
- $5.99 Shipping
Quick View
Waveshare PCIe to 4-Ch USB3.2 Gen1 Board (C), Compatible with Raspberry Pi 5, Up to 5Gbps Transmission Speed, No Driver Required, Plug and Play
Limited time offer, ends 10/18
- Model #: 647807048936
- $58.60 –
- Free Shipping
Quick View
DB9 null modem adapter male to female slimline data transfer serial port adapter 10 Pack
Limited time offer, ends 10/15
- Model #: A078C7DY5C
- $38.88 –
- Free Shipping
Quick View
DB9 null modem adapter male to female slimline data transfer serial port adapter 5 Pack
Limited time offer, ends 10/15
- Model #: A077SX5ZPH
- $27.88 –
- Free Shipping
Quick View
X-MEDIA XM-PEX-1P PCI-E 1-Port DB25 Parallel PCI Express (PCIe x1) Card ^^ IEEE 1284 Parallel Controller Card ^^ WCH382L Chipset ^^ Supports ECP/EPP/SPP
- Model #: 916268572510
- $48.99 –
- $5.99 Shipping