Io Port Cards of 2025
Best Choice1
ASUSASUS GeForce GT 730 2GB GDDR5 Low Profile Graphics Card for Silent HTPC Builds (with I/O Port Brackets)
9.5 Picture quality9.5 worth the money9.5 Noise levelWhy we love it
Silent operation with passive cooling.
Ideal for quiet home theater setups.
Improves video quality significantly.
9.8Exceptional
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Using our advanced technology, we scan thousands of products and stores, analyzing reviews, ratings, and trends to find what matters most to users like you.Our team then reviews the data and real user feedback, combining AI and human insights to bring you real-time, top-rated recommendations to guide your decisions with clarity and confidence.
Value for Money2
IO CRESTIO CREST Quad 2.5 Gigabit Ethernet PCI Express PCI-E Network Interface Card 10/100/1000/25000 Mbps RJ45 LAN Realtek RTL8125 Chipset, Black (SI-PEX24077)
Main highlights- With this PCIe Card, you can add a 10/100/1000/25000 Mbps Ethernet port to any PC through a PCIe slot.Fits any PCI Express x4, x8 or x16 socket; Additional 8cm Low-profile bracket provides the option for installation in small size HTPC case.
- What You Get: IO Crest Quad 2.5 Gigabit PCI-E Network Card x1, Driver Disk x1, 8cm Low-profile Bracket x1. Backed by Syba 3 Year Hassle-free Warranty and Lifetime Customer Service. Important Note: Only work with PCI-E slot, Not for PCI Slot.
- This PCI-based 10/100/1000/25000 2.5 Gigabit Ethernet Network Adapter Card provides a simple connection to a 2.5 Gigabit Ethernet network, and is fully compatible with 802.1Q Virtual LAN (VLAN) Tag. and Ethernet card which is compliant to IEEE802.3, IEEE802.3u and IEEE802.3ab.
- The high quality PCIe 2.5 Gigabit NIC with 12cm profile bracket and Additional 8cm Profile Bracket that makes it easy to install the card in a small form factor/low profile computer case/server.
- 2.5 Gigabit network card Compatible with a broad range of operating systems, including Windows 10, 8/8.1, 98SE, ME, 2000, XP, XP-64bit, Vista, Vista-64bit, 7, 7-64bit, Linux, macOS 10.7
9.5Excellent
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3
IO CRESTIO Crest IOCrest USB 3.1 Gen II 10Gbps 2-Port Full-Duplex Controller X4 Slot Card Type-C and Type-A Ports Components Other SI-PEX20189
Main highlights- USB 3.1 Gen2 full duplex mode for 10Gbps maximum transfer rate per port
- Fits x4 PCI-E slot. Comes with low-profile bracket. 5V/3Amp charging through Type-C port
- Compliant with Intel extensible host controller interface (xHCI) Specification 1.1
- 5V USB bus power directly from PC power supply via 15 pin SATA connector
- 1x USB 3.1 Type-C (USB-C) port, 1x USB 3.1 Type-A port. Supported by Windows 10, 8.X, 7, Linux 2.6.31
9.2Excellent
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4
BestPartsBestParts Type-C USB 3.1 Gen2 Port Flex IO v2 Card Replacement for HP 600 800 805 400 Z2 G6 G7 G8 G9 L83416 SFF DM MINI PC L85068-001 L76508-001
Main highlights- You will receive: 1x CARD board.
- Replacement SP/N: For L76508-001
- Replacement P/N: For L85068-001
- NEW HP Type-C USB Thunderbol Port Flex I/O Option Card L85068-001 L76508-001.
- Compatible model: For HP 400 G6 G7 G8 G9 DM SFF / HP 600 G6 G7 G8 G9 DM SFF / HP 800 G6 G7 G8 G9 DM SFFHP 805 G6 G7 G8 G9 DM SFF
9.0Excellent
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5
BestPartsBestParts Type-C USB 3.1 Gen2 Port Flex IO Card Small Board Replacement for HP 400 600 705 800 G4 DM Mini SFF MT 3TK78AA
Main highlights- You will receive: 1 x Type-C CARD board.
- Warranty: 6 months.
- TYPE-C Port Small Board Card 3TK78AA Compatible with HP 400 600 800 G4 DM SFF MT.
- Compatible models: For HP 400 G4 DM SFF MT; For HP 600 G4 DM SFF MT; For HP 705 G4 DM SFF MT; For HP 800 G4 DM SFF TWR
- Compatible P/N: For 3TK78AA
8.9Very Good
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6
BestPartsBestParts Internal Serial Port Flex IO Board Card Replacement for HP 400 G4 G5 SFF MT DM Mini 600 800 405 705 G4 DM 906312-001 914907-001
Main highlights- Product dimensions (H x W x D) 1.55 x 1.63 x 0.68in ((3.94 x 4.12 x 1.72 cm)
- Interchangeable with other modules
- Compatible Models: For HP EliteDesk 705 G4 DM; HP EliteDesk 800 G4 DM; HP ProDesk 600 G4 DM; HP ProDesk 405 G4 DM; HP ProDesk 400 G4 DM; HP ProDesk 480 G5 MT; HP ProDesk 400 G5 MT; HP ProDesk 400 G5 SFF; Only one FLEX IO module can be used at a time
- Add an extra flexible Serial Port IO to your DM and tower (400 series only)
- *Compatible P/N: For 906312-001, 914907-001.
8.8Very Good
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7
StarTech.com22% OffStarTech.com PCI Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel LPT Port (DB25) - PCI Combo Adapter Card - PCI Expansion Card Controller - PCI to Printer Card (PCI2S1P2)
Main highlights- VERSATILE APPLICATIONS: PCI expansion combo card adds LPT Printer & two COM serial ports working with printers, scanners, plotters, point of sale terminals, PLCs, control/automation in factories, scientific sensors, medical equipment, oscilloscope
- TECH SPECS: Parallel Speeds up to 1.5Mbps | Supports SPP/Byte/ECP/EPP modes | Compatible with IEEE 1284 | Asix MCS9865 chip | RS-232 speeds up to 115.2 Kbps | 16C550 UART | 256 byte FIFO buffer | 5-9 bit character | Even, Odd, No, Space or Mark Parity
- STANDARD PROFILE & LOW PROFILE BRACKETs: PCI multiport Parallel LPT & dual serial COM adapter card installs using 2x standard bracket (pre-installed) or 3x low profile brackets (incl); Supports Windows 7 and up, Linux 2.6.x to 5.x
- PCI CARD WITH SERIAL & PARALLEL PORTS: Using one PCI bus, add a DB25 parallel & two DB9 RS232 ports to your computer; Serial Parallel PCI Card installs in 2x full profile or 3x low profile expansion slots; Auto IRQ & IO assignment; Supports IRQ Sharing
8.7Very Good
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8
BestPartsBestParts Serial Port Flex IO V2 Card Replacement for HP 800 400 600 G6 G7 G8 G9 L83416 SFF DM Mini PC L83416-001 M11560-001
Main highlights- You will receive: 1x CARD board.
- Replacement SP/N: For M11560-001
- Replacement P/N: For L83416-001
- NEW Serial Port Flex IO V2 Card for HP 600 400 800 405 705 805 G5 G6 G7 G8 G9 .
- Compatible model: For HP 400 G6 G7 G8 G9 DM SFF / HP 600 G6 G7 G7 G9 DM SFF / HP 800 G6 G9 DM SFF
8.6Very Good
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9
KingwinKingwin Powered USB Hub 3.0 w/ 1 USB-C Port, SD Card Reader & Micro SD Card Reader - Sata Power Port w/Lightning Speed Data Transfer Up to 5Gbps - 5.25" Computer Case Front Bay, black (KW525-3U3CR)
Main highlights- Top performance - Our computer components are designed for optimal performance and high quality multi-functional purposes. Our Lighting Speed USB 3.0 Hub and SD card reader writer capabilities outperform the rest.
- Quality Service - We stand by our products. If your PC accessories and computer components do not meet your standards, we are fully committed to providing you with a positive experience. Reach out to our customer support team for any concerns with your products.
- Newest technology - One designated 3.0 USB port Type-C and eSATA port with front accessibility for easy use. Three front accessible USB 3.0 Type-A ports with super speed USB 3.0 up to 5 Gbps bandwidth. Perfect usb charging hub to power all your PC accessories.
- Loaded support - This ultimate high speed card reader writer supports a wide variety of memory including SD/MMC/SDHC, CF/CF II/HS/ CF/MD, MS/MS Duo/MS Pro, XD, TF/T-Flash, M2. Fits any 5.25" computer case front bay. These advanced technologies are backward compatible with USB 2.0 USB 1.0 and USB 1.1.
- Fully equipped - This all-in-one internal usb hub comes fully equipped with 11 slots making it fully compatible. Comes with 1 x eSATA Port, 3 x USB 3.0 Type-A ports, 1 x USB-C Port, and 6 Slots dedicated for card readers.
8.5Good
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10
IO CRESTI/O Crest 2 Port Serial COM DB9 RS-232 and 1 Port DB25 Printer Lpt1 Port PCI-E 1.0 X1 Card WCH382 Chipset
Main highlights- Utilizes 100-Mhz Differential PCI-e Common Reference Clock
- Supports hardware/software flow control
- Support for D1, D2, and D3hot and D3cold
- Support for D1, D2, D3hot and D3cold
- Support MODEM Signals CTS, DSR, RI, DCD, the DTR, RTS, Convert RS232 Level
- PCI-E Specification Revision 1.0A
- IEEE1284 Parallel Port: Multi-mode IEEE 1284 Compliant Controller (SPP, Nibble, Byte, PS/2, EPP, ECP)
- Fully Compliant with PCI-e Base Specification, Revision 1.0a
- Faster Data Rates up to 1.5Mbps for Parallel Port
- Custom BAUD Rates Supported with External Clock or by Programming Internal PLL
- Compatible UART: 16C450/550/extended 550
- Bi-directional speeds from 50bps to 16Mbps/port
- 5, 6, 7, 8 and 9-bit Serial Format Support
8.4Good
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