EXSYS EX-3503 2-Port eSATA II PCI Express RAID Controller Card

Add two external eSATA II ports to your desktop with the EXSYS EX-3503 controller card, delivering up to 3 Gbit/s per port for fast external storage expansion. This PCI Express x1 card supports RAID 0, RAID 1, and JBOD configurations, making it ideal for performance or data redundancy.

Overview

The EX-3503 is a PCI Express x1 controller card featuring two external eSATA II ports. It enables connection of SATA I/II hard drives or SSDs externally, with hot-swap support and boot capability. The card is based on the Silicon Image SiI3132 chipset and includes both standard and low-profile brackets for flexible installation.

What stands out

• Two independent eSATA II channels with up to 3 Gbit/s per port
• Hardware RAID 0, RAID 1, and JBOD support
• Hot-swap and bootable operation
• Compatible with PCI Express x1, x4, x8, and x16 slots
• Includes low-profile bracket for slim cases

Technical details

• Host interface: PCI Express x1 (PCIe 1.0a)
• External ports: 2x eSATA II
• Data transfer rate: 3 Gbit/s (300 MB/s) per port
• RAID levels: 0, 1, JBOD
• Chipset: Silicon Image SiI3132
• Supported drives: SATA I/II HDDs and SSDs
• Hot-swap support: Yes
• Bootable: Yes
• Operating systems: Windows (XP/Vista/7/8/10/11, Server), Linux, macOS
• Form factor: Standard profile (low-profile bracket included)

Our verdict

The EXSYS EX-3503 is a reliable solution for adding external eSATA connectivity with RAID options, perfect for users needing fast and flexible storage expansion.