The lsi-9400-16i is a SAS Controller in new condition. It is in stock at $139.90.
SAS drives do not plug into a normal SATA motherboard port. You need a SAS host bus adapter or a backplane that speaks SAS - an LSI/Broadcom HBA in IT mode is the usual answer. A SATA drive will run on a SAS controller, but not the other way round. HBA and IT-mode guide
Part of the LSI line we track.
The lsi-9400-16i is an accessory, not a storage drive, so cost per terabyte does not apply to it. Check the listing's own specifications against your hardware before buying.
We do not have enough in-stock comparators of this type today to place this price against the rest of the market. The category page below ranks everything we do have.
Yes. At our last check it was $139.90, sold new under ASIN B0H4FJD5TR. Amazon sets the final price at checkout.
This listing (SAS HBA Card Compatible with LSI 9400-16i IT Mode PCIe SATA Expansion Card, 16-Port 12Gbps PCIe 3.1, SAS Expander Support, SATA HBA Controller with 4X SFF-8643 Internal for ZFS TrueNAS unRAID NAS, ASIN B0H4FJD5TR) carries no renewed, recertified, refurbished or pulled claim in its title, and Amazon reports it as new. On this site that is what "new" means: sold as factory-new.