ATTO 4-Port External 4-Port Internal 12Gb/s SAS/SATA to PCIe 4.0 Host Bus Adapter - 12Gb/s SAS - PCI Express 4.0 x8 - Plug-in Card - 1 Mini SAS HD (x4) SFF 8644 External, 1 Mini SAS HD (x4) SFF 8643 Internal - 8 Total SAS Port(s) - 4 SAS Port(s) Internal
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