Spec score 8.4
2 Drive ports, 6Gb/s, RAID, Internal
+Internal port side fits inside a server chassis
+6Gb/s SAS interface for storage links
+RAID support for mirrored or striped drive sets
−1GB cache is small for heavy write workloads
$42.00
as of 11/04/2026 05:07 PST - DetailsProduct details
HP Smart Array P420/1GB FBWC 6Gb 2-Ports Internal SAS Controller 631670-B21$42.00as of 11/04/2026 05:07 PST - Details
View on AmazonSpec score8.4
Pros
+Internal port side fits inside a server chassis
+6Gb/s SAS interface for storage links
+RAID support for mirrored or striped drive sets
+2 internal ports for connecting drives
Cons−1GB cache is small for heavy write workloads
Compared with the 3 RAID and HBA Cards on this page+6Gb/s: the highest sas speed of the 129 here
−2 drive ports: 103 of the 107 here have more drive ports
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