Alternative to 2120S-S: Better-Value Equivalents in Stock
Comparing the 2120S-S (2120S-S - Adaptec Pci U320 Raid Controller Card) against alternatives? Pro Disk Network stocks 12 similar parts that offer comparable performance at different price points. Each option below is in-stock, US-warehoused, and tested-and-certified before ship. Bulk pricing is available on quantities of 5+; B2B procurement can use Net 30 with PO.
About the 2120S-S
| SKU | 2120S-S |
|---|---|
| Product | 2120S-S - Adaptec Pci U320 Raid Controller Card |
| Current price | $559.34 |
| Stock status | In Stock |
| Detail page | View 2120S-S › |
Alternatives to 2120S-S
Each part below is currently in our US warehouse, ships same-day for orders before 2pm ET, and includes our 90-day warranty. SKUs link to the full product page with photos, datasheets and B2B quote form.
2269500-R - Adaptec 2805 8-port SAS RAID Controller - Serial Attached SCSI (SAS) - PCI Express x8 - Plug-in Card - RAID Supported - 0 1 1E 10 JBOD R
SKU: 2269500-R
Price: $543.01
2270000-R - Adaptec 6405 4-port SAS RAID Controller - Serial Attached SCSI (SAS) Serial ATA/600 - PCI Express x8 - Plug-in Card - RAID Supported - 0 1
SKU: 2270000-R
Price: $591.11
2271100-R - Adaptec 6405 4-port SAS RAID Controller - Serial Attached SCSI (SAS) Serial ATA/600 - PCI Express 2.0 x8 - Plug-in Card - RAID Supported -
SKU: 2271100-R
Price: $635.45
2269600-R - Adaptec 2805 8-port SAS RAID Controller - Serial Attached SCSI (SAS) - PCI Express x8 - Plug-in Card - RAID Supported - 0 1 1E 10 JBOD R
SKU: 2269600-R
Price: $683.55
2270100-R - Adaptec 6805 8-port SAS RAID Controller - Serial Attached SCSI (SAS) Serial ATA/600 - PCI Express x8 - Plug-in Card - RAID Supported - 0 1
SKU: 2270100-R
Price: $791.83
2268200-R - Adaptec 51245 16-port SAS RAID Controller Serial Attached SCSI (SAS) Serial ATA/300 PCI Express x8 Plug-in Card RAID Supported 0 1 1E 5
SKU: 2268200-R
Price: $1,398.91
ASR2405 - Adaptec Raid Contr Raid 2405 Storage Controller (raid) 4 Channel ) Sgl
SKU: ASR2405
Price: $182.37
ASR-31605 - Adaptec ADAPTECH - RAID 31605 16-Ports PCI Express X8 SATA/SAS RAID Controller RoHS with 256MB Cache
SKU: ASR-31605
Price: $47.37
2268300-R - Adaptec MAXIQ 2405Q ,Storage Controller (RAID),4 Channel,SATA-300 /SAS Low Profile ,300 MBPS,RAID 0, 1, 10, JBOD, 1E , PCI Express X8
SKU: 2268300-R
Price: $1,047.39
LSI00191 - LSI Logic 9211-4i SAS RAID Controller - Serial Attached SCSI (SAS) - PCI Express x4 - Plug-in Card - RAID Supported - 0 1 1E 10 RAID Leve
SKU: LSI00191
Price: $563.30
How we pick alternatives
Every recommendation above was selected using these criteria:
- Spec parity — capacity, speed, port count, and form factor matched within a 10% tolerance
- Price spread — alternatives shown across the price range, so you can pick on budget
- Brand mix — both OEM-equivalent and trusted aftermarket, all certified
- Reliability data — preferred parts have failure rates below 1% in our 18-month return tracking
- In stock today — shipping today, not 4-6 weeks from now
Want a side-by-side spec comparison?
We can prepare a written comparison covering throughput, power draw, form factor and validated compatibility. Email sales@prodisknetwork.com or call +1 (407) 205-8454 — most quotes ship within 4 business hours.