PCIe to SATA 3.0 Expansion Card – 4-Port 6Gbps | OULLX
OULLX PCIe to SATA 3.0 Expansion Card – 4-Port SATA III Add-On Adapter
Expand your desktop PC, workstation, or server storage capacity in minutes with the OULLX 4-Port PCIe to SATA III Expansion Card. This plug-and-play add-on card slots directly into any available PCIe x1, x4, x8, or x16 slot, instantly unlocking four additional SATA 3.0 ports capable of blazing-fast 6 Gbps data transfer speeds. Whether you're adding HDDs, SSDs, or optical drives, this card delivers rock-solid connectivity with zero hassle.
Made in Mainland China.
Key Features
- 6 Gbps Transfer Speed: SATA III (6 Gbps) interface ensures rapid data throughput for both mechanical hard drives and solid-state drives.
- Universal PCIe Compatibility: Works with PCIe x1, x4, x8, and x16 slots — fits virtually any modern desktop motherboard.
- 4 Rear-Mounted SATA III Ports: Rear four-port layout keeps cable management tidy and suits a wide variety of PC cases.
- Large Heatsink Design: Oversized heatsink ensures effective thermal dissipation during heavy workloads, keeping the card running cool.
- Four-Layer PCB with Isolation Layer: The additional mid-layer isolation significantly enhances anti-interference capability and long-term reliability.
- Tail-Edge Design: Minimizes the risk of slot blockage, making installation easier even in tight builds.
- Broad OS Support: Compatible with Windows XP / 2003 / Vista / 7 / 8 / 10 (32-bit & 64-bit).
- Wide Application: Ideal for desktop computers, workstations, servers, and industrial equipment.
Technical Specifications
| Model | MW203 |
| Bus Interface | PCI-E x1 (compatible with x4, x8, x16) |
| Bus Speed | PCI-E 3.0 |
| SATA Ports | 4 × SATA III (6 Gbps) |
| Transmission Rate | Up to 6 Gbps |
| PCB Layers | 4-layer with isolation |
| Dimensions | 120mm × 65mm × 56mm |
| Weight | ~70g |
| Operating Temp | -10°C to +60°C |
| Storage Temp | -20°C to +40°C |
| OS Support | Windows XP / 2003 / Vista / 7 / 8 / 10 (32/64-bit) |
Installation Requirements
Your motherboard must have at least one available PCIe slot (x1, x4, x8, or x16) to install this expansion card. No drivers are required for most modern operating systems — simply insert the card and connect your drives.
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Frequently Asked Questions
Q: Which PCIe slot sizes are compatible with this SATA expansion card?
A: The OULLX PCIe to SATA expansion card is compatible with PCIe x1, x4, x8, and x16 slots. The card physically fits into any of these slots on your motherboard, so compatibility is very broad across modern desktop systems.
Q: How many drives can I connect to this 4-port SATA card simultaneously?
A: You can connect up to four SATA III devices simultaneously — including HDDs, SSDs, or optical drives. All four ports support 6 Gbps transfer speeds and can operate concurrently.
Q: Do I need to install drivers for this PCIe SATA card on Windows 10?
A: For most modern operating systems including Windows 10 (32-bit and 64-bit), the card is plug-and-play and does not require additional driver installation. It is also officially compatible with Windows XP, Vista, 7, and 8.
Q: Can this card be used as a boot/system drive controller?
A: Yes — the card supports system drive functionality, meaning you can connect an SSD or HDD intended as your primary boot drive, provided your BIOS supports booting from a PCIe add-on SATA controller.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.