HP 631667-B21 Controller
HPE Smart Array P222 512MB FBWC Controller (Part Number: 631667-B21) — is a versatile PCIe 3.0 RAID solution providing entry-level storage performance and data protection for HPE ProLiant Gen8 rack and tower servers. It features one internal and one external SAS port, enabling simultaneous connection to internal server drives and external storage enclosures. The included 512MB Flash-Backed Write Cache (FBWC) ensures data integrity by protecting cached data indefinitely in the event of a power failure, without the need for traditional batteries.
Key Specifications:
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Data Transfer Rate: 6Gb/s SAS / SATA.
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Cache: 512MB Flash-Backed Write Cache.
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Logical Ports: 1 Internal / 1 External Mini-SAS (x4).
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RAID Levels: 0, 1, 10, 5, 50.
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Bus Interface: PCIe 3.0 x8.
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Form Factor: Low Profile MD2.
