If you’re setting up legacy parallel devices on a modern computer, you’ll need a reliable PCIe parallel adapter card. You’ve got several solid options available, each with specific chipsets, bracket styles, and compatibility features. The right choice depends on your system’s BIOS support, your operating system, and the data transfer speeds you require. Here’s what separates the cards that actually deliver results from those that don’t—
| StarTech.com 1-Port Parallel PCIe Card – PCI Express DB25 LPT Printer Card |
| Most Versatile | Parallel Port Standard: IEEE 1284 (SPP, Byte, Nibble, ECP modes) | Data Transfer Speed: Up to 2.5 Mbps | Bracket Options: Full profile pre-installed; low-profile included | VIEW LATEST PRICE | Read Our Analysis |
| PCIe Serial Parallel Expansion Card with Low Bracket |
| Best Combo Solution | Parallel Port Standard: IEEE 1284 Multi-mode (SPP, PS2, EPP, ECP modes) | Data Transfer Speed: Up to 1.5 Mbps | Bracket Options: Low bracket; includes 2 parallel port brackets | VIEW LATEST PRICE | Read Our Analysis |
| PCIE to DB25 Parallel Port Expansion Card Adapter |
| Budget Pick | Parallel Port Standard: IEEE 1284 (SPP, EPP, ECP modes) | Data Transfer Speed: Not specified | Bracket Options: Low bracket design | VIEW LATEST PRICE | Read Our Analysis |
| X-MEDIA PCI-E Parallel Adapter Card (XM-PEX-1P) |
| Fastest Performance | Parallel Port Standard: IEEE 1284 (SPP, EPP, ECP modes) | Data Transfer Speed: Up to 2 MByte/s (16 Mbps) | Bracket Options: Standard and low profile included | VIEW LATEST PRICE | Read Our Analysis |
| PCIE to Parallel Port Adapter with Low Bracket |
| Best Value | Parallel Port Standard: IEEE 1284 (SPP, EPP, ECP modes) | Data Transfer Speed: Not specified | Bracket Options: Low profile bracket | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
StarTech.com 1-Port Parallel PCIe Card – PCI Express DB25 LPT Printer Card
If you’re running legacy equipment like parallel printers, scanners, plotters, or industrial control systems on a modern computer, you’ll need the StarTech.com 1-Port Parallel PCIe Card. This adapter connects directly to your PCIe x1 slot and supports multiple parallel modes including SPP, Byte, Nibble, and ECP, reaching speeds up to 2.5 Mbps. The card uses an ASIX AX99100 chip and includes both full-profile and low-profile brackets for flexible installation. It’s compatible with Windows XP and later, Windows Server 2003 and later, and Linux 2.6.x and later. You’ll find this card particularly useful for factory automation, PLCs, scientific sensors, and medical equipment that requires parallel connectivity on modern motherboards.
- Parallel Port Standard:IEEE 1284 (SPP, Byte, Nibble, ECP modes)
- Data Transfer Speed:Up to 2.5 Mbps
- Bracket Options:Full profile pre-installed; low-profile included
- Operating System Compatibility:Windows XP+, Windows Server 2003+, Linux 2.6.x+
- Device Compatibility:Printers, scanners, plotters, POS terminals, PLCs, automation systems, scientific/medical equipment
- Chipset:ASIX AX99100
- Additional Feature:Pre-installed full profile bracket
- Additional Feature:Up to 2.5 Mbps speed
- Additional Feature:Factory/automation control support
PCIe Serial Parallel Expansion Card with Low Bracket
The PCIe Combo Serial Parallel Expansion Card with WCH382 chip works best for desktop PC users who need both legacy serial (RS232/RS485/RS422) and parallel (IEEE 1284) ports without taking up internal expansion space. You’ll install this x1 PCIe card into your motherboard’s expansion slot. It supports serial speeds up to 16 Mbps with 256-byte FIFO buffers and parallel data rates reaching 1.5 Mbps. The card includes two parallel port brackets and driver CD with CH38XDRV installation files for Windows and Linux. You’ll benefit from plug-and-play functionality with automatic IRQ and IO address selection. Hardware/software flow control handles 5–9 bit data formats with multiple parity options, making it compatible with legacy printers and serial devices.
- Parallel Port Standard:IEEE 1284 Multi-mode (SPP, PS2, EPP, ECP modes)
- Data Transfer Speed:Up to 1.5 Mbps
- Bracket Options:Low bracket; includes 2 parallel port brackets
- Operating System Compatibility:Windows 2000/XP/2003/Vista/7/8/10/11, Linux
- Device Compatibility:Printers (primary focus)
- Chipset:WCH382
- Additional Feature:Combo serial/parallel ports included
- Additional Feature:RS232/RS485/RS422 modes supported
- Additional Feature:256 Byte FIFO per port
PCIE to DB25 Parallel Port Expansion Card Adapter
Still running legacy parallel devices like older printers, programmers, or scanners on your modern computer? The Diyeeni PCIE to DB25 adapter solves this problem. You install this low-bracket card into any PCI Express slot—x1, 4x, 8x, or 16x. The card features a DB25 parallel port that supports IEEE 1284 protocol with SPP, EPP, and ECP modes. Its 9805 chipset handles data transfer through a built-in 16-byte FIFO buffer. Your BIOS automatically assigns I/O addresses and IRQ settings, so you don’t need jumper switches. Install your operating system’s drivers—it works on Windows, Linux, DOS, and OS X 10.5 and later. Connect your parallel device and you’re operational.
- Parallel Port Standard:IEEE 1284 (SPP, EPP, ECP modes)
- Data Transfer Speed:Not specified
- Bracket Options:Low bracket design
- Operating System Compatibility:DOS, Windows 95/98/98SE/2000/ME/NT4.0/XP/Vista/2003/2008, Linux, OS X 10.5+
- Device Compatibility:Printers, programmers, scanners
- Chipset:9805 (compatible with UART 16C550C)
- Additional Feature:Compatible with multiple PCIe slots
- Additional Feature:Built-in 16-byte FIFO buffer
- Additional Feature:No jumper switches required
X-MEDIA PCI-E Parallel Adapter Card (XM-PEX-1P)
X-MEDIA’s XM-PEX-1P card works best if you’re running legacy parallel devices on modern computers and need reliable driver support across multiple Windows versions. This IEEE 1284 adapter uses the WCH382L chipset to deliver bi-directional data transfer up to 2 MByte/s. It supports ECP, EPP, and SPP protocols, giving you flexibility with various parallel peripherals. The card fits standard and low-profile cases, and it’s compatible with Windows 98SE through Windows 10, plus Windows Server editions and Linux. Simply install the appropriate drivers for your OS, insert the card into an available PCIe x1 slot, and connect your DB25 parallel device.
- Parallel Port Standard:IEEE 1284 (SPP, EPP, ECP modes)
- Data Transfer Speed:Up to 2 MByte/s (16 Mbps)
- Bracket Options:Standard and low profile included
- Operating System Compatibility:Windows 98SE-10, Server 2000/2003/2008/2016, DOS, Linux
- Device Compatibility:Parallel devices (printers implied)
- Chipset:WCH382L
- Additional Feature:Up to 2 MByte/s transfer
- Additional Feature:Standard and low brackets
- Additional Feature:WCH382L chipset included
PCIE to Parallel Port Adapter with Low Bracket
Need to connect legacy parallel devices like printers, programmers, or scanners to your modern computer? This PCI Express adapter card solves that problem directly. It features a main 9805 chipset with a 16-byte FIFO buffer and supports IEEE 1284 standard protocols including SPP, EPP, and ECP modes. The card installs into any PCIe slot, works with Windows, Linux, and macOS systems, and requires no jumper configuration. Its low-profile bracket fits standard cases. You’ll get a 25-pin DB25 parallel port connector that accepts your legacy devices immediately. The BIOS automatically assigns I/O addresses and IRQ settings, eliminating manual setup steps. Installation takes minutes without additional software configuration needed.
- Parallel Port Standard:IEEE 1284 (SPP, EPP, ECP modes)
- Data Transfer Speed:Not specified
- Bracket Options:Low profile bracket
- Operating System Compatibility:DOS, Windows 95/98/98SE/2000/ME/NT4.0/XP/Vista, Linux, OS X
- Device Compatibility:Printers, programmers, scanners
- Chipset:9805 with 16C550C-compatible UART
- Additional Feature:Compatible with multiple PCIe slots
- Additional Feature:Built-in 16-byte FIFO buffer
- Additional Feature:Easy software setup process
Factors to Consider When Choosing PCIe Parallel Adapter Cards
When you’re selecting a PCIe parallel adapter card, you’ll need to evaluate five key factors: the chipset and performance specifications that determine speed, your operating system’s compatibility with the adapter’s drivers, the specific parallel protocol standards it supports, whether you need a low or full-height bracket for your case, and the data transfer speeds it delivers. Start by checking your system’s OS and confirming the manufacturer provides current drivers, then verify the adapter uses a chipset known for reliable performance with your intended applications. Finally, match the physical bracket type to your available slots and compare transfer speed ratings to ensure the card meets your speed requirements.
Chipset And Performance
How much data can your parallel adapter actually move? The chipset you select directly determines your speed. Look for cards with WCH382 or 9805 chips, which support IEEE 1284 and multiple modes—SPP, EPP, and ECP—for bidirectional transfers. These chipsets enable data rates up to 2 MB/s, depending on your specific card and bus design.
Built-in FIFOs reduce bottlenecks during high-demand operations. A 16-byte FIFO buffer improves throughput markedly. Check your PCIe interface version; PCIe x1 compliance affects power management and how your BIOS handles IRQ and IO addresses. Verify driver support for your operating system—Windows, Linux, DOS, or macOS. Proper driver installation unlocks the chipset’s full potential. Match the chipset capabilities to your actual workload requirements before purchasing.
Operating System Compatibility
What’s your computer’s operating system, and does your parallel adapter actually support it? Start by identifying your OS version—Windows 7, Windows 10, Linux, or macOS—then check the adapter’s compatibility list. Many cards support multiple operating systems, but driver availability varies by platform. Some adapters include a driver CD or CH38XDRV file for installation, while others require downloading drivers from the manufacturer’s website. Verify whether you need 32-bit or 64-bit drivers matching your system. Older adapters may only support legacy systems like DOS or Windows XP, making them unsuitable for modern computers. Confirm Plug-and-Play compatibility for your OS to ensure automatic IRQ and I/O address assignment. Always match your specific OS version to the adapter’s documented support list before purchasing.
Parallel Protocol Support
To guarantee your PCIe parallel adapter card works with your devices, you’ll need to verify it supports the right communication protocols. Look for IEEE 1284 multi-mode support, which covers SPP (Standard Parallel Port), EPP (Enhanced Parallel Port), and ECP (Enhanced Capable Port) modes. SPP handles basic unidirectional communication, while EPP and ECP enable faster bidirectional transfers. Check your printer or device documentation to identify which protocol it requires. Most modern adapters support all three modes, ensuring broad compatibility. Additionally, confirm the card offers hardware and software flow control features like 16-byte FIFOs to manage data buffering reliably. Data rates typically reach 1.5 to 2 Mbps depending on the protocol mode you’re using.
Physical Bracket Configuration
Your PCIe parallel adapter card’s bracket type directly determines whether it’ll fit in your system, so you’ll need to match it to your motherboard slot and chassis dimensions. Standard brackets work in full-height slots, while low-profile brackets fit compact cases with restricted space. Many cards ship with both bracket types, giving you installation flexibility. Before purchasing, check your case height and available PCIe slot locations. Low-profile brackets affect clearance around adjacent cards and cables, so verify spacing around your installation area. Remember that bracket choice doesn’t impact your card’s parallel port performance—data rates and protocol support remain identical regardless of which bracket you use. Select the bracket configuration that physically fits your specific motherboard and case setup to ensure proper mounting and adequate airflow.
Data Transfer Speeds
Once you’ve confirmed your bracket fits properly, you’ll want to examine the adapter card’s data transfer speeds, since performance directly affects how quickly you can move data between your computer and parallel devices. Most parallel adapters deliver practical rates between 1.5 MB/s and 2.5 MB/s, though some specify speeds up to 2 Mbps. Check which modes your card supports—SPP, EPP, ECP, or PS2—as these determine maximum throughput. The controller chipset and FPGA implementation also impact performance. Remember that actual speeds depend on your BIOS/OS driver support, IRQ configuration, and system load. For scanners and printers, bidirectional handshaking settings further influence real-world results. Compare specifications across your candidate cards to match your speed requirements.
Installation And Setup
Installing your PCIe parallel adapter card requires attention to physical compatibility, driver support, and configuration settings before you can use it with your devices. First, verify your motherboard has an available PCIe x1 slot and check whether you need a standard or low-profile bracket for your case. Next, install the appropriate drivers before inserting the card—download them from the manufacturer’s website or use the included CD, ensuring compatibility with your Windows, Linux, or macOS version. After installation, access your BIOS to confirm the card’s I/O address and IRQ assignments automatically detected without conflicts. Finally, connect your parallel devices and test the connection through your operating system’s device manager to confirm proper recognition and functionality before regular use.
Device Type Support
After you’ve installed your card and confirmed it’s recognized by your system, you’ll need to match the card’s capabilities to the devices you plan to connect. Check whether your peripheral requires SPP, EPP, ECP, or PS2 mode—older printers typically use SPP, while scanners and external drives often need EPP or ECP. Verify your adapter card supports the specific mode your device demands. Review the controller chip on your card: AX99100, CH38X, and 9805 variants handle different protocol modes and data rates up to 2.5 Mbps. Cross-reference your device’s documentation against the card’s specifications. If you’re connecting legacy equipment, confirm the card supports that generation’s standard. Mismatched protocol support will prevent proper communication regardless of physical connection quality.
Power Management Features
Because parallel adapter cards draw power even during idle states, you’ll want to prioritize PCIe power management compatibility when selecting your card. Look for models that support PCIe 1.0a or 1.2 standards, which enable proper idle-power states and reduce energy consumption when the parallel port isn’t actively used. Check the specifications for wake-up and remote wake capabilities if you need your system to wake from low-power states through parallel port activity. Verify that the card supports efficient IRQ and IO address assignment with minimal power draw during initialization and hot-plug scenarios. Select cards with bi-directional parallel data transfer using low-power transceivers to minimize active power consumption during operation. Review the product documentation for clear power-management details to ensure proper integration into your power-managed system setup.
Final Thoughts
When you’re selecting a PCIe parallel adapter card, you’ll want to verify chipset compatibility (AX99100, CH38X, or 9805), confirm your motherboard BIOS supports SPP/EPP/ECP modes, and check driver availability for your operating system. You should prioritize cards with PCIe x1 interfaces and interchangeable brackets for flexible installation. Before purchasing, you’ll need to confirm your system’s expansion slot availability and power requirements to ensure proper functionality.
Meet Ry, “TechGuru,” a 36-year-old technology enthusiast with a deep passion for tech innovations. With extensive experience, he specializes in gaming hardware and software, and has expertise in gadgets, custom PCs, and audio.
Besides writing about tech and reviewing new products, he enjoys traveling, hiking, and photography. Committed to keeping up with the latest industry trends, he aims to guide readers in making informed tech decisions.