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The new fourth generation ARC-1886 family offers advanced technology for increased performance and improved enterprise data protection. They were designed with 1.6 GHz dual core ROC processor, DDR4-2666 memory and PCIe 4.0 interface for the most performance-hungry database and IT applications. Based on the ARM A15 PCIe 4.0 x8 to SAS/SATA/PCIe RAID on Chip (ROC) controller, the ARC-1886 series RAID adapters can offer both PCIe Gen 4.0 host and 12Gb/s SAS/SATA/PCIe (NVMe) tri-mode storage interfaces.
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Product Highlights:

  • Support up to 8GB DDR4-2666 cache
  • SFF-9402 compliant connector pin-out
  • Support read/write cache allocation by policy
  • Support up to 32 NVMe drives using a PCIe switch
  • Redundant flash image for adapter availability
  • UBM, SES2, SMP, and SGPIO enclosure management
  • Support up to (512) 12Gb/s SAS, SATA, or SSD drives using SAS expanders
  • Support optional cache backup module (CBM) protection using SuperCap
  • Tri-mode interface at each drive ports-12Gb/s SAS/SATA/ Gen 4.0 PCIe (NVMe)
  • Controller-level hardware encryption and self-encryption drive management
  • Support RAID 1 – Multi Mirroring and Mirrored Pass-Through Disk
  • Support RAID Levels – 0, 1, 3, 5, 6, 10, 30, 50, 60, Single Disk or JBOD
  • Broad operating support including Windows, Linux, FreeBSD, macOS, and VMware
  • Support for SAS tape devices and transport layer retries (TLR) for error handling
Host Bus Interface8-Lane PCI Express® 4.0
Physical DimensionsLP-MD2: 167.65(L) x 64.41(H) mm205(L) x 107.2(H) mm
Ports8 x internal & 8 x external16 x internal
Drive Connectors2 x M.2 Connector 1 x SFF-8654 [x8]2 x SFF-8654 [x8]1 x SFF-8654 [x8] 4 x M.2 Connectors
RAID-on-Chip ControllerTri-mode Dual Core ARM A15 1.6GHz ROC
Cache Memory8GB on-board DDR4-2666 SDRAM with ECC Protection
Data Transfer RateUp to 12Gb/s SAS/SATA/Gen 4.0 PCIe (NVMe) per port
Drive SupportUp to 512 12Gb/s SAS or 6Gb/s and 3Gb/s SAS/SATA HDDs/SSDs, using 12Gb/s SAS expander Up 32 NVMe drives through the PCIe switches
Power ConsumptionApproximately 14 Watts
Operating Temperature0 °C to 60 °C
Operating Humidity10% to 85%, non-condensing
Cache ProtectionARC-1886-CBM
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