Laptops & Desktops

The Best Computer Internal SCSI Port Cards

This post contains affiliate links. As an Amazon Associate we earn from qualifying purchases.

Our picks are based on Amazon bestseller rankings, Amazon customer ratings, and product availability. We update our recommendations regularly to ensure accuracy.

SCSI (Small Computer System Interface) cards are essential for connecting legacy peripherals and high-performance storage devices to your computer. Ensuring compatibility and performance requires careful consideration of your system's needs and the card's specifications. Choosing the right SCSI card can significantly impact data transfer speeds and system stability.

No. 2
Adaptec 2248700-R U320 PCI Express X1 1-Channel SCSI Host Bus Adapter
  • Device Type: Storage controller - plug-in card - low profile
  • Interface Type: PCI Express x1
  • Dimensions (WxDxH): 6.6 in x 2.6 in
  • Data Transfer Rate: 320 MBps
No. 3
Adaptec 29160 PCI to Ultra160 SCSI Card Kit with EzSCSI Software
  • SCSI Internal Channels - 3
  • SCSI External Channels - 1
  • SCSI Type Support - U160SCSI
  • Weight - 2.65 lbs
No. 5
PCIE-SE2 2-Port PCI Express RS-232 DB9 Serial Port Card for Windows XP, Vista,7, 8.x, 10, 11 32/64bit and...
  • 1. PCIE-SE2 allow users add 2X RS232 BD9 serial Ports on desktop PCs or industrial devices by motherboard PCI Express slot.
  • 2. Seamless connect to serial DB9 ports device such as POS system, industrial testing and control device, security system, logistic management equipment, scanners and printers.
  • 3. Need to install driver on Windows XP, Vista, 7, 8.x, 10, 11 (32/64bit) systems. Linux kernel 2.6.x, 3.x, 4.x, 5.x need to refer compile source code from the driver CD.
  • 4. Selected by ASIX AX99100 solution supports on chip 256-byte depth FIFO in transmit. Works on Intel, AMD, ARM hardware platform.
SaleNo. 6
StarTech 2 Port PCI Express SATA 6 Gbps eSATA Controller Card - Dual Port PCIe x1 SATA III Adapter with...
  • IMPROVE STORAGE CAPACITY: This 2-Port PCIe SATA and eSATA Controller Card enables support of two internal SATA or external (eSATA) drives through PCI Express; A cost-effective solution to increase your system's storage capacity
  • ASM1061 CONTROLLER: This SATA and eSATA controller card features a dedicated chipset to enable two switchable SATA and eSATA 6Gbps ports via a single x1 PCIe slot; Supports FIS-based Port Multiplier, Command-based switching, NCQ, and ATA/ ATAPI commands
  • WIDE COMPATIBILITY: Supports Windows and standard SATA and eSATA SSDs (solid-state drives) and HDDs (hard drives); Supports SATA III (6 Gbps) and earlier revisions; Compliant with PCI Express 2.0
  • CONVENIENT SETUP: This 2-port SATA/eSATA controller card installs in a full or low-profile PCIe slot; Compatible with PCIe x1, x4, x8, or x16 slots; Includes full-profile (pre-installed) & low-profile brackets, and 7-pin SATA cable
No. 7
Adaptec 1822300-R 39160 Ultra160 SCSI Controller Card Kit
  • High-Speed Data Transfer: Experience lightning-fast data transfer rates of up to 160 MBps with this dual-channel Ultra160 SCSI controller card, ensuring swift and efficient data handling for your enterprise servers
  • Supports Up to 30 Devices: Connect and manage up to 30 SCSI peripherals simultaneously, ideal for mirroring and striping multiple SCSI hard disk drives, delivering ultimate performance in demanding environments
  • 64-Bit PCI Interface: Equipped with a 64-bit PCI interface, this card takes full advantage of your system's capabilities, providing seamless integration and optimal performance
  • Versatile Connectivity: Offers a mix of 68-pin VHDCI external and 68-pin LVD, 50-pin Ultra SCSI internal connectors, ensuring compatibility with a wide range of SCSI devices
No. 8
BlueSCSI Ultra Wide 68-Pin Assembled by Tots Retro
  • Ultra Wide 68 Pin: supports Faster Ultra SCSI connections, to better support more high end workstations and scsi cards. Can negotiate up to 40MB/sec. Results will vary and can be higher or lower depending on machine.
  • Emulate up to 7 devices at the same time! All on one SD card (not included), allowing you to have Multiple OS's on the Same SD Card, your card can Hold Hard Drive Images, CD-ROMs, Zip, MO and more
  • Faster SD Card performance, with new capabilities and the ability to accept daughter card upgrades for audio (sold separately). Utilizes an integrated RP2350B, USB-C, 16MB of Flash and I2S CD audio (via optional upgrade, sold separately). Enhanced power...
  • Expand your capabilities with BlueSCSI Toolbox, a suite of powerful applications that run directly on your vintage computer. Features like File Transfers, CD Swapping and Wi-Fi Settings all within the computer. Currently working for Macintosh, Amiga...
No. 9
Dell Emulex 12 Gb SAS Host Bus Adapter - Serial Attached Scsi SAS
  • Dell Emulex 12 Gb Sas Host Bus Adapter - Serial Attached Scsi (sas)
No. 10
NIVMOWN New SCSI2SD 3.5" - Includes 50-pin SCSI to SD Card Adaptor
  • - SCSI2SD V5.0A SD card adapter replaces the old SCSI 50-pin hard disk circuit board
  • - Old-fashioned hard disks have been discontinued and are expensive. The SD SCSI adapter can help solve such problems
  • - Engineer backup is also relatively simple
  • - TF card and SD card can be inserted

Last update on 2026-10-16 / Affiliate links / Images from Amazon Product Advertising API

How to Choose the Best Computer Internal SCSI Port Cards

Key Factors When Buying a SCSI Card

When selecting a SCSI card, consider the following crucial aspects to ensure optimal performance and compatibility with your system:
  • Interface Type and Speed: SCSI cards come in various versions like SCSI-1, SCSI-2 (Fast, Wide), Ultra SCSI, Ultra Wide, Ultra2, Ultra320, and more. Match the card's interface and speed to your existing SCSI devices and motherboard capabilities. Faster interfaces like Ultra320 offer significantly higher data throughput, essential for demanding applications.
  • Connector Type and Number: SCSI devices use different connectors, commonly DB-25, Centronics 50-pin, Centronics 68-pin, and Mini-SCSI. Verify that the card has the correct connectors for your peripherals and that the number of ports meets your expansion needs.
  • Operating System Compatibility: Ensure the SCSI card has drivers available for your specific operating system, whether it's Windows, macOS, or Linux. Outdated or unsupported drivers can lead to performance issues or complete device failure. Check the manufacturer's website for the latest driver information.

Frequently Asked Questions

What is the primary benefit of using a SCSI card?
SCSI cards allow computers to interface with a wide range of peripherals, especially older or high-performance devices like scanners, tape drives, and hard drives. They often provide faster data transfer rates and support for multiple devices on a single bus compared to older interfaces.
How do I know if my computer supports a SCSI card?
Most modern computers do not come with built-in SCSI ports. You will need an available PCI, PCIe, or ISA slot (depending on the card's age and type) on your motherboard to install an expansion SCSI card. Check your motherboard's specifications for available slot types and configurations.
Can I mix different types of SCSI devices on one card?
You can often connect different SCSI devices, but they will operate at the speed of the slowest device on the chain. It's generally recommended to group devices of similar speed and type together for optimal performance. Proper termination of the SCSI bus is also critical when mixing devices.
What is SCSI termination?
SCSI termination is crucial for preventing signal reflection on the SCSI bus, which can cause errors and data loss. The last device on the SCSI chain (or the card itself if it's the only device) needs to be properly terminated. This is usually done with physical terminators or software settings.

How we compare Laptops & Desktops

1 Specifications: we compare the key features and specifications listed by the manufacturer and on Amazon.
2 Customer ratings: we take into account the average Amazon rating and the number of reviews.
3 Price: we check the current price and highlight notable deals.
4 Updates: comparisons are refreshed regularly as prices and availability change.

Our comparisons are reviewed and updated regularly to reflect the latest products and prices.

Was this article helpful?

Thanks for your feedback!

Thanks — we'll work to improve this article.