Areca ARC-1886-4X8I 12 Port PCIe Gen 4.0 Tri-Mode RAID Adapter
The Areca ARC-1886-4X8I is a fourth-generation PCIe Gen 4.0 RAID adapter engineered for enterprise data centers and high-performance storage environments. This tri-mode RAID controller combines blazing-fast PCIe Gen 4.0 connectivity with universal storage support—SAS, SATA, and NVMe drives—all managed by a powerful 1.6 GHz dual-core ARM A15 processor. With 8GB of DDR4-2666 ECC cache and support for up to 512 SAS/SATA drives plus 32 NVMe drives, it delivers mission-critical reliability and scalability for demanding workloads. Whether you're building a virtualization platform, managing large-scale databases, or running intensive I/O applications, this 12Gb/s tri-mode adapter provides the performance and protection your infrastructure demands.
Key Features
- PCIe Gen 4.0 host interface for maximum bandwidth and low-latency performance
- Tri-mode storage support: 12Gb/s SAS, SATA, and PCIe NVMe on a single adapter
- 12 internal and external ports via SFF-8654 and SFF-8644 connectors
- Supports up to 512 SAS/SATA drives with expanders and 32 NVMe drives via PCIe switches
- 8GB DDR4-2666 ECC cache for enhanced data integrity and performance
- 1.6 GHz dual-core ARM A15 RAID-on-Chip controller with advanced algorithms
- Multiple RAID levels for flexible data protection and performance optimization
- Cross-platform compatibility: Windows, Linux, FreeBSD, XenServer, unRAID, macOS, VMware ESXi
- Enterprise-grade reliability with hot-swap drive support
Technical Specifications
| Specification |
Details |
| Manufacturer |
ARECA |
| Part Number |
1886-4X8I |
| Host Interface |
PCIe Gen 4.0 x16 |
| Storage Interfaces |
12Gb/s SAS, SATA, PCIe NVMe (Tri-Mode) |
| Internal Ports |
8 ports (SFF-8654) |
| External Ports |
4 ports (SFF-8644) |
| Max SAS/SATA Drives |
512 (with expanders) |
| Max NVMe Drives |
32 (via PCIe switches) |
| Controller |
1.6 GHz Dual-Core ARM A15 RAID-on-Chip |
| Cache Memory |
8GB DDR4-2666 ECC |
| Supported OS |
Windows, Linux, FreeBSD, XenServer, unRAID, macOS, VMware ESXi |
| Form Factor |
PCIe Adapter Card |
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 is a storage controller that connects to your server's PCIe slot and manages multiple drives (SAS, SATA, or NVMe) with RAID protection. The Areca ARC-1886-4X8I is ideal for enterprises needing high-speed storage expansion, data redundancy, and support for mixed drive types in a single solution.
Can the ARC-1886-4X8I support both SAS and NVMe drives simultaneously?
Yes. The tri-mode RAID adapter supports SAS, SATA, and NVMe drives concurrently, allowing you to mix storage types based on your performance and capacity requirements. This flexibility is perfect for hybrid storage architectures.
How much cache does the Areca ARC-1886-4X8I include?
The adapter includes 8GB of DDR4-2666 ECC cache, which accelerates read/write operations and improves overall system performance while protecting data integrity through error-correcting code technology.
What operating systems are compatible with this RAID controller?
The ARC-1886-4X8I supports a wide range of platforms including Windows, major Linux distributions, FreeBSD, XenServer, unRAID, macOS, and VMware ESXi, making it suitable for diverse enterprise environments.
