Areca ARC-1886-4X12I 12-Port PCIe Gen 4.0 Tri-Mode RAID Adapter
The Areca ARC-1886-4X12I is a fourth-generation PCIe Gen 4.0 RAID adapter engineered for mission-critical enterprise environments. Built on an ARM A15 architecture with PCIe 4.0 x8 host interface, this tri-mode storage controller delivers exceptional performance for database servers, virtualization platforms, and high-throughput IT applications requiring reliable data protection and maximum I/O throughput.
With 12Gb/s SAS/SATA/NVMe connectivity across 12 internal and 4 external ports, the ARC-1886-4X12I combines enterprise-grade RAID functionality with modern storage flexibility. The integrated 8GB DDR4-2666 ECC cache ensures data integrity and accelerates I/O operations, making it ideal for organizations demanding both speed and security in their storage infrastructure.
Key Features
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PCIe Gen 4.0 x8 Host Interface — Next-generation connectivity for maximum bandwidth and reduced latency
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12Gb/s Tri-Mode Connectivity — Native support for SAS, SATA, and NVMe storage devices in a single adapter
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16 Total Ports — 12 internal ports plus 4 external ports via dual SFF-8654 (x8) and single SFF-8644 (x4) connectors
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8GB DDR4-2666 ECC Cache — Error-correcting memory for data reliability and performance acceleration
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ARM A15 RAID-on-Chip Controller — Dedicated processor offloads RAID operations from system CPU
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Enterprise RAID Support — Multiple RAID levels for flexible data protection strategies
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High-Performance Architecture — Optimized for database servers, virtualization, and demanding IT workloads
Technical Specifications
| Specification |
Details |
| Manufacturer |
ARECA |
| Part Number |
1886-4X12I |
| Product Family |
ARC-1886 Series (4th Generation) |
| Host Interface |
PCIe Gen 4.0 x8 |
| Storage Connectivity |
12Gb/s SAS/SATA/NVMe (Tri-Mode) |
| Internal Ports |
12 ports |
| External Ports |
4 ports (2x SFF-8654 x8, 1x SFF-8644 x4) |
| Controller |
ARM A15 RAID-on-Chip |
| Cache Memory |
8GB DDR4-2666 ECC |
| Form Factor |
PCIe Adapter Card |
| Target Applications |
Enterprise databases, virtualization, high-performance storage |
Frequently Asked Questions
What is a PCIe Gen 4.0 RAID adapter and why do I need one?
A PCIe Gen 4.0 RAID adapter like the ARC-1886-4X12I is a storage controller that connects multiple drives to your server while providing RAID protection and data redundancy. It's essential for enterprises running databases, virtualization platforms, or applications requiring high-speed storage access with guaranteed data protection. The Gen 4.0 interface delivers double the bandwidth of Gen 3.0, enabling faster data transfers and reduced bottlenecks.
Can the Areca ARC-1886-4X12I support both SAS and NVMe drives simultaneously?
Yes. The tri-mode RAID adapter supports SAS, SATA, and NVMe devices on the same controller, allowing you to mix storage types based on performance and capacity requirements. This flexibility lets you optimize your storage architecture without replacing the entire adapter.
How much cache memory does the ARC-1886-4X12I include?
The adapter includes 8GB of DDR4-2666 ECC cache, which accelerates read/write operations and protects data integrity through error correction. This cache size is suitable for enterprise workloads with moderate to high I/O demands.
What RAID levels does this storage controller support?
The Areca ARC-1886-4X12I supports multiple RAID levels including RAID 0, 1, 5, 6, and 10, enabling you to choose the optimal balance between performance, capacity, and redundancy for your specific application requirements.
