Specification Brand : ELECNEXUS BulletPoint1 : Storage Expansion: The PCIe SATA Expansion Card adds 4 independent SATA 3.0 ports (6Gbps) via a PCIe x1 interface, supporting simultaneous connection of 4 SSDs/HDDs or other SATA devices. Easily build high-speed storage pools or software RAID (Note: Hardware RAID not supported). BulletPoint2 : High-Speed Transfer:Equipped with an ASM1064 chip, the PCIe 3.0 x1 interface delivers 8GT/s bandwidth, supporting 4 SATA 3.0 ports (6Gbps). Includes an aluminum heatsink for thermal control, ensuring 24/7 stable operation for NAS/editing workstations. BulletPoint3 : Wide Compatibility: Plug-and-play support for Windows (excluding XP), Linux, macOS, and NAS systems—no drivers required. Compatible with PCIe x1/x4/x8/x16 slots and SATA 1.0-3.0 devices. Fits 99% of chassis sizes. BulletPoint4 : OS Boot: Supports direct OS boot from SATA Port 1 (AHCI mode), eliminating dependency on motherboard-native SATA interfaces. BulletPoint5 : Package Includes:1 x SATA Card,4 x SATA Cables (40 cm / 15.74 inches),1 x Dual-Profile Bracket (full/low height),2 x Mounting Screws,1 x Anti-Static Bag Color : Black CompatibleDevices : Personal Computer ControlMethod : touch ExternallyAssignedProductIdentifier : 7426801819826 HardwareInterface1 : pci_x_1 HardwareInterface2 : pci_x_4 HardwareInterface3 : pci_x_8 HardwareInterface4 : pci_x_16 ItemName : ELECNEXUS 4-Port SATA Expansion Card, PCIe 3.0 x1 to SATA Controller, Supports SSDs/HDDs and Boots as a System Disk, Windows/Mac/Linux/NAS Compatible (4 Sata Cables Included) ItemPackageDimensions_Height : 1.03 inches ItemPackageDimensions_Length : 4.95 inches ItemPackageDimensions_Width : 5 inches ItemPackageQuantity : 1 ItemTypeKeyword : computer-scsi-port-cards Manufacturer : ELECNEXUS ModelNumber : SATACARD4 NumberOfItems : 1 OperatingSystem1 : Windows OperatingSystem2 : Linux OperatingSystem3 : Mac OS OperatingSystem4 : NAS PartNumber : STC004 ProductDescription : 4-Port PCIe 3.0 to SATA III Expansion Card - Ultra-Fast Expansion · Direct OS Boot · Universal Compatibility This PCIe SATA expansion card, equipped with an industrial-grade ASM1064 chip, delivers the ultimate solution to break through storage bottlenecks! The sata expansion card requires only one idle PCIe x1 slot (compatible with x4/x8/x16 slots) to instantly expand 4 independent SATA III 6Gbps ports with 985MB/s total bandwidth, supporting storage pools or software RAID 0/1/5/10 arrays! Easily build 72TB massive storage pools! Port 1 supports direct OS boot in AHCI mode - Install Windows, Linux, or macOS on Port 1 SSD, completely bypassing motherboard interface limitations! This sata card offers wide compatibility, providing plug-and-play operation on Windows, macOS, Linux, and NAS systems! Package Includes: 1× SATA Expansion Card (with heatsink) 4× 45cm Gold-Plated SATA Cables 1× Dual-Profile Bracket 2× Stainless Steel Screws ProductSiteLaunchDate : 2025-06-03T13:58:30.595Z Size : Small Style : Classic SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 43201400 WarrantyDescription : The warranty for this product is 12 months, along with a 30-day money back or replacement guarantee.