Scsi adapters from US brands and US-based sellers
8 US brands and sellers surfaced here at $17.99 to $399.00, each verified from Amazon's own published seller info. Last verified September 25, 2026.
A scsi adapter lives or dies by its chipset and its termination circuitry, and the cheap ones swap a name-brand controller chip for an unmarked clone that drops packets under sustained transfer. Look for solid pin connectors, a real BIOS chip for boot support, and documented driver history, not just a board that fits the slot.
What to look for in a good scsi adapter
- Chipset markings. Flip the card over and check for a printed chipset name and part number; a sanded-off or blank chip usually means a rebrand of unsupported silicon.
- Termination quality. Active termination holds signal integrity on long SCSI chains, while cheap adapters often use passive termination that causes intermittent drive dropouts under load.
- Connector pin count. Confirm the adapter matches your exact pin standard, 50-pin, 68-pin, or 80-pin SCA, since a loose or mismatched adapter cable will corrupt data transfers instead of just failing to connect.
- Price as signal. Verified sellers in this category run from about $18 to $399 depending on SCSI generation and port count, and anything priced under that floor usually means a stripped-down PCB with no onboard cache or BIOS.
We read each seller's registered country from Amazon's own published seller info. We don't claim anything here is manufactured in the US, only that you're buying from a US brand or a US-based seller.
Quick comparison
| Brand | Price | Seller |
|---|---|---|
| Adaptec | $249.00 | US-based seller |
| ATTO Technology | $399.00 | US-based seller |
| Broadcom | $188.00 | US-based seller |
| Dell | $149.99 | US-based seller |
| IBM | $69.00 | US-based seller |
| LSI | $152.00 | US-based seller |
| SIIG | $22.99 | US-based seller |
| StarTech.com | $17.99 | US-based seller |
Confirmed US brands and sellers
8 listings where Amazon's own seller info places the seller in the US. Each badge says which.
Adaptec 2248700-R U320 PCI Express X1 1-Channel SCSI Host Bus Adapter
ATTO Technology ATTO ExpressSAS H6F0 GT - Serial ATA/600, 6Gb/s SAS - PCI Express 3.0 x8 - Plug-in Card - 16 SAS Port(s)
Broadcom HBA 9400-16i - Storage Controller - 16 Channel - SATA 6Gb/s/SAS 12Gb/s Low Profile - 1.2 GBps - PCIe 3.1 x8 (05-50008-00)
Dell Emulex 12 Gb SAS Host Bus Adapter - Serial Attached Scsi SAS
IBM 28L0995 ServeRAID-3HB SCSI II Adapter
LSI Logic LSI00154 LSI20320IE 1CH U320 SCSI PCI Express 1 Int 1 Ext Channel Lp Leadfree Controller
SIIG Legacy and Beyond Series PCIe to USB 3.0 2 (External) Ports PCI Express Card with 19Pin Header, Data Transfer Rates Up to 5Gbps, Supports UASP
StarTech.com IDC50 to HPDB68 SCSI Cable Adapter - F/F (GC5068FF)
New US finds, once a month
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