OCUEKIT2

OCUE4221 + OCUD4241 OCuLink Expansion Kit (with full-height bracket)
  • Creative professionals needing both high GPU performance and large-capacity storage.
  • IT & enterprise users looking to extend SAS/SATA RAID or JBOD systems externally.
  • Gamers and power users wanting better performance on compact or older systems.
  • Mini PC or laptop users requiring PCIe expansion without internal space for upgrades.

Introduction

OCUE4221 is a standard PCIe x4 HH card with full height bracket that support PCIe Gen4 x4 and connect to an SFF 8612 OCuLink port, enabling external PCIe expansion. Paired with the OCUD4241, a PCIe device board, this kit allows users to extend the PCIe bus outside of the system—supporting external graphics card or SAS/SATA storage RAID card—without the need to upgrade their existing PC or workstation.

Features

OCuLink Scenario

With RAID Card = External Storage Application(SAS/SATA).

With GPU Card = eSports Application or AI Computing Application.


Application Sturcture

SUNIX OCuLink Solution

Specifications

Key Applications & Benefits

External GPU Support (eGPU)
  • Connect high-performance graphics cards for demanding 3D applications, video editing, or immersive gaming.
  • Ideal for Mini PC, small form factor PCs, or systems that don’t support internal GPU upgrades.
External SAS/SATA Storage Expansion
  • Easily connect SAS or SATA RAID/HBA cards to add multiple hard drives or SSDs via external enclosures.
  • Perfect for video editing, large-scale backups, media archiving, or data center applications.
Cost-Effective Performance Boost
  • Avoid the cost of a full system upgrade—simply add GPU or storage expansion externally.
  • Flexible and modular approach to upgrading: expand only what you need, when you need it.

OCUE4221 Spec.

Bus PCIe Gen4x4
Interface SFF 8612 4i 42pin
Controller PHISON PS7101
Redriver settings By BIOS or MCU(OCUD4241)
Form Factor PCIe low profile PCB
ESD Protection ±8KV Air / ±4KV Contact
Green Product RoHS, WEEE
Regulatory Approvals CE / FCC / VCCI / BSMI
Operation Temperature 0 to 50°C (32 to 122°F)
Operation Humidity < 85% non-condensing
Storage Temperature -20 to 85°C (-4 to 185°F)
PCB Dimensions 79.3 x 68.5 mm
Bracket Standard 121 mm

OCUD4241 Spec.

Bus PCIe Gen4x4
Interface SFF 8612 4i 42pin
PCIe Slot PCIe x16 (4 lanes)
MCU Settings By I2C set PCIe driving strength
Form Factor Mini-ITX PC case supported
ESD Protection ±8KV Air / ±4KV Contact
Green Product RoHS, WEEE
Regulatory Approvals CE / FCC / VCCI / BSMI
Operation Temperature 0 to 50°C (32 to 122°F)
Operation Humidity < 85% non-condensing
Storage Temperature -20 to 85°C (-4 to 185°F)
PCB Dimensions 203.2 x 107.2 mm
I/O Shield Support standard ATX case

Accessories

Including Accessories

SFF 8611 male to male 100cm external cable
  • 100cm
  • Part Number:1OCL-PS100AS100001
  • 1 pcs.

Optional Accessories

OCuLink Kit - I/O Shielding Panel
  • 162x48mm
  • Part Number:12PS-OCUD4241XSZ00
  • 1 pcs.

Support

Download Datasheet

Datasheet OCUEKIT2 Datasheet EN

Download Guide

Guide OCUx Series Quick Installation Guide EN

OCUEKIT2

OCUE4221 + OCUD4241 OCuLink Expansion Kit (with full-height bracket)
  • Creative professionals needing both high GPU performance and large-capacity storage.
  • IT & enterprise users looking to extend SAS/SATA RAID or JBOD systems externally.
  • Gamers and power users wanting better performance on compact or older systems.
  • Mini PC or laptop users requiring PCIe expansion without internal space for upgrades.

Introduction

OCUE4221 is a standard PCIe x4 HH card with full height bracket that support PCIe Gen4 x4 and connect to an SFF 8612 OCuLink port, enabling external PCIe expansion. Paired with the OCUD4241, a PCIe device board, this kit allows users to extend the PCIe bus outside of the system—supporting external graphics card or SAS/SATA storage RAID card—without the need to upgrade their existing PC or workstation.

Features

OCuLink Scenario

With RAID Card = External Storage Application(SAS/SATA).

With GPU Card = eSports Application or AI Computing Application.


Application Sturcture

SUNIX OCuLink Solution

Specifications

Key Applications & Benefits

External GPU Support (eGPU)
  • Connect high-performance graphics cards for demanding 3D applications, video editing, or immersive gaming.
  • Ideal for Mini PC, small form factor PCs, or systems that don’t support internal GPU upgrades.
External SAS/SATA Storage Expansion
  • Easily connect SAS or SATA RAID/HBA cards to add multiple hard drives or SSDs via external enclosures.
  • Perfect for video editing, large-scale backups, media archiving, or data center applications.
Cost-Effective Performance Boost
  • Avoid the cost of a full system upgrade—simply add GPU or storage expansion externally.
  • Flexible and modular approach to upgrading: expand only what you need, when you need it.

OCUE4221 Spec.

Bus PCIe Gen4x4
Interface SFF 8612 4i 42pin
Controller PHISON PS7101
Redriver settings By BIOS or MCU(OCUD4241)
Form Factor PCIe low profile PCB
ESD Protection ±8KV Air / ±4KV Contact
Green Product RoHS, WEEE
Regulatory Approvals CE / FCC / VCCI / BSMI
Operation Temperature 0 to 50°C (32 to 122°F)
Operation Humidity < 85% non-condensing
Storage Temperature -20 to 85°C (-4 to 185°F)
PCB Dimensions 79.3 x 68.5 mm
Bracket Standard 121 mm

OCUD4241 Spec.

Bus PCIe Gen4x4
Interface SFF 8612 4i 42pin
PCIe Slot PCIe x16 (4 lanes)
MCU Settings By I2C set PCIe driving strength
Form Factor Mini-ITX PC case supported
ESD Protection ±8KV Air / ±4KV Contact
Green Product RoHS, WEEE
Regulatory Approvals CE / FCC / VCCI / BSMI
Operation Temperature 0 to 50°C (32 to 122°F)
Operation Humidity < 85% non-condensing
Storage Temperature -20 to 85°C (-4 to 185°F)
PCB Dimensions 203.2 x 107.2 mm
I/O Shield Support standard ATX case

Accessories

Including Accessories

SFF 8611 male to male 100cm external cable
  • 100cm
  • Part Number:1OCL-PS100AS100001
  • 1 pcs.

Optional Accessories

OCuLink Kit - I/O Shielding Panel
  • 162x48mm
  • Part Number:12PS-OCUD4241XSZ00
  • 1 pcs.

Support

Download Datasheet

Datasheet OCUEKIT2 Datasheet EN

Download Guide

Guide OCUx Series Quick Installation Guide EN

OCUEKIT2

OCUE4221 + OCUD4241 OCuLink Expansion Kit (with full-height bracket)
  • Creative professionals needing both high GPU performance and large-capacity storage.
  • IT & enterprise users looking to extend SAS/SATA RAID or JBOD systems externally.
  • Gamers and power users wanting better performance on compact or older systems.
  • Mini PC or laptop users requiring PCIe expansion without internal space for upgrades.

Introduction

OCUE4221 is a standard PCIe x4 HH card with full height bracket that support PCIe Gen4 x4 and connect to an SFF 8612 OCuLink port, enabling external PCIe expansion. Paired with the OCUD4241, a PCIe device board, this kit allows users to extend the PCIe bus outside of the system—supporting external graphics card or SAS/SATA storage RAID card—without the need to upgrade their existing PC or workstation.

Features

OCuLink Scenario

With RAID Card = External Storage Application(SAS/SATA).

With GPU Card = eSports Application or AI Computing Application.


Application Sturcture

SUNIX OCuLink Solution

Specifications

Key Applications & Benefits

External GPU Support (eGPU)
  • Connect high-performance graphics cards for demanding 3D applications, video editing, or immersive gaming.
  • Ideal for Mini PC, small form factor PCs, or systems that don’t support internal GPU upgrades.
External SAS/SATA Storage Expansion
  • Easily connect SAS or SATA RAID/HBA cards to add multiple hard drives or SSDs via external enclosures.
  • Perfect for video editing, large-scale backups, media archiving, or data center applications.
Cost-Effective Performance Boost
  • Avoid the cost of a full system upgrade—simply add GPU or storage expansion externally.
  • Flexible and modular approach to upgrading: expand only what you need, when you need it.

OCUE4221 Spec.

Bus PCIe Gen4x4
Interface SFF 8612 4i 42pin
Controller PHISON PS7101
Redriver settings By BIOS or MCU(OCUD4241)
Form Factor PCIe low profile PCB
ESD Protection ±8KV Air / ±4KV Contact
Green Product RoHS, WEEE
Regulatory Approvals CE / FCC / VCCI / BSMI
Operation Temperature 0 to 50°C (32 to 122°F)
Operation Humidity < 85% non-condensing
Storage Temperature -20 to 85°C (-4 to 185°F)
PCB Dimensions 79.3 x 68.5 mm
Bracket Standard 121 mm

OCUD4241 Spec.

Bus PCIe Gen4x4
Interface SFF 8612 4i 42pin
PCIe Slot PCIe x16 (4 lanes)
MCU Settings By I2C set PCIe driving strength
Form Factor Mini-ITX PC case supported
ESD Protection ±8KV Air / ±4KV Contact
Green Product RoHS, WEEE
Regulatory Approvals CE / FCC / VCCI / BSMI
Operation Temperature 0 to 50°C (32 to 122°F)
Operation Humidity < 85% non-condensing
Storage Temperature -20 to 85°C (-4 to 185°F)
PCB Dimensions 203.2 x 107.2 mm
I/O Shield Support standard ATX case

Accessories

Including Accessories

SFF 8611 male to male 100cm external cable
  • 100cm
  • Part Number:1OCL-PS100AS100001
  • 1 pcs.

Optional Accessories

OCuLink Kit - I/O Shielding Panel
  • 162x48mm
  • Part Number:12PS-OCUD4241XSZ00
  • 1 pcs.

Support

Download Datasheet

Datasheet OCUEKIT2 Datasheet EN

Download Guide

Guide OCUx Series Quick Installation Guide EN

OCUEKIT2

OCUE4221 + OCUD4241 OCuLink Expansion Kit (with full-height bracket)
  • Creative professionals needing both high GPU performance and large-capacity storage.
  • IT & enterprise users looking to extend SAS/SATA RAID or JBOD systems externally.
  • Gamers and power users wanting better performance on compact or older systems.
  • Mini PC or laptop users requiring PCIe expansion without internal space for upgrades.
OCUE4221 is a standard PCIe x4 HH card with full height bracket that support PCIe Gen4 x4 and connect to an SFF 8612 OCuLink port, enabling external PCIe expansion. Paired with the OCUD4241, a PCIe device board, this kit allows users to extend the PCIe bus outside of the system—supporting external graphics card or SAS/SATA storage RAID card—without the need to upgrade their existing PC or workstation.

Introduction

OCUE4221 is a standard PCIe x4 HH card with full height bracket that support PCIe Gen4 x4 and connect to an SFF 8612 OCuLink port, enabling external PCIe expansion. Paired with the OCUD4241, a PCIe device board, this kit allows users to extend the PCIe bus outside of the system—supporting external graphics card or SAS/SATA storage RAID card—without the need to upgrade their existing PC or workstation.

Features

OCuLink Scenario

With RAID Card = External Storage Application(SAS/SATA).

With GPU Card = eSports Application or AI Computing Application.


Application Sturcture

SUNIX OCuLink Solution

Specifications

Key Applications & Benefits

External GPU Support (eGPU)
  • Connect high-performance graphics cards for demanding 3D applications, video editing, or immersive gaming.
  • Ideal for Mini PC, small form factor PCs, or systems that don’t support internal GPU upgrades.
External SAS/SATA Storage Expansion
  • Easily connect SAS or SATA RAID/HBA cards to add multiple hard drives or SSDs via external enclosures.
  • Perfect for video editing, large-scale backups, media archiving, or data center applications.
Cost-Effective Performance Boost
  • Avoid the cost of a full system upgrade—simply add GPU or storage expansion externally.
  • Flexible and modular approach to upgrading: expand only what you need, when you need it.

OCUE4221 Spec.

Bus PCIe Gen4x4
Interface SFF 8612 4i 42pin
Controller PHISON PS7101
Redriver settings By BIOS or MCU(OCUD4241)
Form Factor PCIe low profile PCB
ESD Protection ±8KV Air / ±4KV Contact
Green Product RoHS, WEEE
Regulatory Approvals CE / FCC / VCCI / BSMI
Operation Temperature 0 to 50°C (32 to 122°F)
Operation Humidity < 85% non-condensing
Storage Temperature -20 to 85°C (-4 to 185°F)
PCB Dimensions 79.3 x 68.5 mm
Bracket Standard 121 mm

OCUD4241 Spec.

Bus PCIe Gen4x4
Interface SFF 8612 4i 42pin
PCIe Slot PCIe x16 (4 lanes)
MCU Settings By I2C set PCIe driving strength
Form Factor Mini-ITX PC case supported
ESD Protection ±8KV Air / ±4KV Contact
Green Product RoHS, WEEE
Regulatory Approvals CE / FCC / VCCI / BSMI
Operation Temperature 0 to 50°C (32 to 122°F)
Operation Humidity < 85% non-condensing
Storage Temperature -20 to 85°C (-4 to 185°F)
PCB Dimensions 203.2 x 107.2 mm
I/O Shield Support standard ATX case

Accessories

Including Accessories

SFF 8611 male to male 100cm external cable
  • 100cm
  • Part Number:1OCL-PS100AS100001
  • 1 pcs.

Optional Accessories

OCuLink Kit - I/O Shielding Panel
  • 162x48mm
  • Part Number:12PS-OCUD4241XSZ00
  • 1 pcs.

Support

Download Datasheet

Datasheet OCUEKIT2 Datasheet EN

Download Guide

Guide OCUx Series Quick Installation Guide EN
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