SAS-3 12Gb/s expander (Microchip/PMC 82885T), backward compatible with 6Gb/s; fans out more drives from one HBA/RAID. I/O layout: 7× SFF-8643 internal + 2× SFF-8644 external; supports multiple uplinks for higher aggregate bandwidth. Works with SAS natively; SATA via STP; RAID/JBOD decided by the upstream HBA/RAID controller. Enclosure mgmt: SES-2/SGPIO for slot LEDs/status and thermal/fan signals with enterprise backplanes. Easy deployment: PCIe edge for power only (or 4-pin); data over mini-SAS HD cables; widely used with TrueNAS, unRAID, Proxmox, ESXi.
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SAS-3 12Gb/s expander (Microchip/PMC 82885T), backward compatible with 6Gb/s; fans out more drives from one HBA/RAID.
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First Listed on Newegg
August 11, 2026
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