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Green circuit board with two internal SATA ports and two eSATA ports, low-profile bracket included

STARTECH

STARTECH PEXESAT322I PCIe x1 SATA III 6.0Gb/s 2 Int/2 Ext RAID controller

SKU CH-CKVN-ZVV3T MPN PEXESAT322I

Adds two internal and two external SATA 6.0Gb/s ports via a PCI Express x1 slot with ASMEDIA ASM1061 chipset

  • Interface typePCI-Express x1
  • Form factorLow Profile Ready
  • Part type or numberPEXESAT322I
  • External connectors2 x eSATA
  • Internal connectors2 x SATA 6.0Gb/s
  • Transfer speedUp to 6Gb/s
  • Add 2 external or internal SATA 6 Gbps ports through a PCI Express x1 slot
  • Low-profile ready design fits compact chassis with included bracket
  • ASMedia ASM1061 chipset delivers 48-bit LBA support and port multiplier capability
  • Compliant with SATA revision 3.0 for up to 6.0 Gbps transfer rates
  • Supports Windows XP, Vista, 7, 8 and Server 2003, 2008 R2 in 32-bit and 64-bit

Add SATA III ports via PCIe x1

The StarTech PEXESAT322I adds two internal and two external SATA 6.0 Gb/s ports through a single PCI Express x1 slot. It uses the ASMedia ASM1061 chipset with 48-bit LBA support and port multiplier capability. A low-profile bracket and SATA cable are included for compact builds. Drivers cover Windows XP through Windows 8 on 32-bit and 64-bit editions.

Practical limits of the PCIe x1 interface

The x1 lane caps total throughput well below the combined 6 Gb/s per port, so four drives cannot run at full speed simultaneously. SATA revision 3.0 compliance ensures backward compatibility with SATA I and II devices. Optical drives are supported alongside hard disks and SSDs. The card fits low-profile chassis without extra clearance.

Replaces add-in cards limited to SATA II

Upgrading from a 3 Gb/s controller or a single external port restores 6 Gb/s internal and external connectivity in one slot. The jump is worth it when a system lacks native SATA III ports or needs eSATA for external arrays without occupying additional expansion slots. Legacy operating systems down to Windows XP remain supported.

How it compares

Measured against everything we stock in RAID & Drive Controller Cards, at today’s prices. Recalculated every night.

Price $37.99
Cheaper than about 83% of the 219 comparable items (median $155.99).

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Specifications

Product
Brand nameStarTech.com
Model namePEXESAT322I
Part type or numberPEXESAT322I
Product typeSATA III (6.0Gb/s)
Performance
Transfer speedUp to 6Gb/s
Ports & slots
Interface typePCI-Express x1
External connectors2 x eSATA
Internal connectors2 x SATA 6.0Gb/s
Size & build
Form factorLow Profile Ready
Product dimensions0.8 in × 4.8 in × 3.6 in
Shipping weight0.06 kg
Package size168 × 140 × 25 mm
Compatibility
Supported operating systemsWindows XP(32/64-bit)/ Server 2003(32/64-bit)/ Server 2008 R2/ Vista(32/64-bit)/ 7(32/64-bit)/ 8 (32/64-bit)
In the box
In the boxPCIe SATA Controller
SATA Cable
Low Profile Bracket
Driver CD
Instruction Manual

Questions about this item

Should I use the two internal SATA ports or the two external eSATA ports on the PEXESAT322I?

The card provides two internal SATA 6.0Gb/s connectors and two external eSATA connectors; choose internal ports for drives inside the chassis and eSATA ports for external enclosures.

What does the 6.0Gb/s transfer rate mean for my drives?

The controller complies with SATA revision 3.0 at up to 6Gb/s, so each connected drive can operate at the full SATA III link speed supported by the drive itself.

Will the PCIe x1 interface limit the 6Gb/s SATA ports?

The card uses a PCI Express x1 slot and the ASMEDIA ASM1061 chipset; the single-lane PCIe link sets the aggregate bandwidth ceiling for all four ports combined.

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