Areca ARC-1886-8X8I 16-Port PCIe Gen 4.0 Tri-Mode RAID Adapter
The Areca ARC-1886-8X8I is a high-performance PCIe Gen 4.0 RAID adapter engineered for enterprise data centers, server environments, and performance-critical database applications. This tri-mode RAID controller delivers exceptional throughput across SAS, SATA, and NVMe storage interfaces, making it ideal for organizations requiring unified storage management with maximum flexibility. With 16 ports (8 internal and 8 external), dual-core ARM A15 processing at 1.6 GHz, and 8GB of DDR4-2666 ECC cache memory, this adapter accelerates I/O operations while protecting data integrity. Whether you're building a high-availability storage cluster or upgrading legacy RAID infrastructure, the ARC-1886-8X8I combines enterprise-grade reliability with next-generation PCIe performance.
Key Features
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16-Port Configuration — 8 internal and 8 external connections via SFF-8654 and SFF-8644 connectors for maximum drive connectivity
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Tri-Mode Storage Support — Unified SAS, SATA, and PCIe NVMe interface compatibility on a single adapter
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PCIe Gen 4.0 Interface — Up to 12Gb/s per-port data transfer rate for SAS/SATA and Gen 4.0 NVMe throughput
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Dual-Core ARM A15 RAID-on-Chip Controller — 1.6 GHz processor with dedicated RAID processing engine
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8GB DDR4-2666 ECC Cache Memory — Error-correcting cache for data protection and write acceleration
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Low-Profile MD2 Form Factor — Compact design with approximately 14W power consumption for space-constrained environments
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Expander Support — Extensive SAS/SATA/NVMe drive configurations via SAS expanders for scalability
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Enterprise RAID Levels — Support for RAID 0, 1, 5, 6, 10, and advanced configurations
Technical Specifications
| Specification |
Details |
| Manufacturer |
Areca |
| Part Number |
1886-8X8I-54 |
| Model |
ARC-1886-8X8I |
| Interface |
PCIe Gen 4.0 x16 |
| Port Count |
16 Ports (8 Internal, 8 External) |
| Connector Types |
SFF-8654 8i, SFF-8644, 2x SFF-8654 4i |
| Storage Modes |
SAS, SATA, PCIe NVMe (Tri-Mode) |
| Data Transfer Rate |
12Gb/s per port (SAS/SATA), PCIe Gen 4.0 NVMe |
| Controller |
Dual-Core ARM A15 @ 1.6 GHz RAID-on-Chip |
| Cache Memory |
8GB DDR4-2666 ECC |
| Form Factor |
Low-Profile MD2 |
| Power Consumption |
~14W |
| RAID Levels |
0, 1, 5, 6, 10, and advanced configurations |
Frequently Asked Questions
What is a PCIe Gen 4.0 tri-mode RAID adapter used for?
A PCIe Gen 4.0 tri-mode RAID adapter consolidates multiple storage interface types (SAS, SATA, and NVMe) into a single controller card, enabling enterprises to manage mixed storage environments with unified RAID management. This is essential for data centers upgrading from legacy SAS/SATA infrastructure while integrating high-speed NVMe storage.
How many drives can the Areca ARC-1886-8X8I support?
The adapter provides 16 direct ports (8 internal, 8 external) and supports extensive drive configurations through SAS expanders, allowing organizations to connect dozens of drives while maintaining high-speed connectivity and RAID protection.
What makes the 8GB DDR4-2666 ECC cache important for RAID performance?
The 8GB ECC cache accelerates write operations, improves read performance, and provides error correction for data integrity. This is critical for enterprise applications where data loss or corruption is unacceptable, particularly in database and virtualization workloads.
Is the Areca ARC-1886-8X8I suitable for high-performance database servers?
Yes. With its dual-core ARM A15 RAID-on-Chip controller, 12Gb/s per-port throughput, and PCIe Gen 4.0 interface, this adapter is specifically designed for performance-hungry IT and enterprise database applications requiring low-latency, high-throughput storage access.
