Alternative to 1821900: Better-Value Equivalents in Stock
Comparing the 1821900 (1821900 - Adaptec 29160 SCSI Controller Card - 160MBps - 1 x 68-pin - SCSI Internal 1 x 68-pin Wide Ultra SCSI - SCSI Internal 1 x 50-pin Ultra SCSI) 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 1821900
| SKU | 1821900 |
|---|---|
| Product | 1821900 - Adaptec 29160 SCSI Controller Card - 160MBps - 1 x 68-pin - SCSI Internal 1 x 68-pin Wide Ultra SCSI - SCSI Internal 1 x 50-pin Ultra SCSI |
| Stock status | In Stock |
| Detail page | View 1821900 › |
Alternatives to 1821900
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.
1821900-R - Adaptec 29160 Ultra 160 SCSI Controller Up to 160MBps 1 x 68-pin HD-68 Ultra160 SCSI External 1 x 68-pin HD-68 Ultra160 SCSI S
SKU: 1821900-R
Price: $163.74
1870700 - Adaptec PowerDomain 29160 Ultra-160 SCSI Controller - Up to 160MBps - 68-pin HD-68 - SCSI External 68-pin Ultra160 SCSI - SCSI Internal 68
SKU: 1870700
Price: $312.93
1870600 - Adaptec PowerDomain 29160 Ultra-160 SCSI Controller - Up to 160MBps - 68-pin HD-68 - SCSI External 68-pin Ultra160 SCSI - SCSI Internal 68
SKU: 1870600
Price: $895.05
2253200-R - Adaptec 29160 Single Channel Ultra 160 SCSI Controller - Up to 160MBps - 1 x 68-pin HD-68 Ultra160 SCSI - SCSI External 1 x 68-pin Ultra160
SKU: 2253200-R
Price: $159.70
1822200 - Adaptec 19160 SCSI Controller Card - 160MBps - 1 x 50-pin Ultra SCSI - SCSI External 1 x 68-pin - SCSI Internal 1 x 50-pin Ultra SCSI - SC
SKU: 1822200
Price: $1,227.42
2093400 - Adaptec 2130SLP SCSI RAID Controller - 320MBps - 1 x 68-pin HD Ultra320 SCSI - SCSI Internal 1 x 68-pin VHDCI Ultra320 SCSI - SCSI External
SKU: 2093400
Price: $648.88
1835200 - Adaptec 29160N Ultra-160 SCSI Controller - Up to 160MBps - 1 x 50-pin HD-50 Ultra SCSI - SCSI External 1 x 68-pin - SCSI Internal 1 x 50-p
SKU: 1835200
Price: $1,116.04
2093500 - Adaptec SCSI RAID 2130SLP Controller Card - 128MB Embedded DDR - 320MBps - 1 x 68-pin HD Ultra320 SCSI - SCSI Internal 1 x 68-pin VHDCI Ult
SKU: 2093500
Price: $507.63
1999700 - Adaptec 39320D SCSI Controller - Up to 320MBps Per Channel - 2 x 68-pin VHDCI - External 1 x 68-pin HD Ultra320 SCSI - SCSI Internal
SKU: 1999700
Price: $227.17
1917400 - Adaptec 3410S SCSI RAID Controller - 64MB ECC SDRAM - Up to 640MBps - 2 x 68-pin HD Ultra160 SCSI - SCSI Internal 4 x 68-pin VHDCI Ultra160
SKU: 1917400
Price: $1,135.70
1863700-R - Adaptec 29160LP Ultra 160 SCSI Controller - Up to 160MBps - 1 x 68-pin VHDCI Ultra160 SCSI - SCSI External 1 x 68-pin Ultra160 SCSI - SCSI
SKU: 1863700-R
Price: $235.79
AHA-2940U2B - Adaptec 68-Pin PCI Ultra2 SCSI Internal LVD/SE Controller Card
SKU: AHA-2940U2B
Price: $89.47
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.