Alternative to 355671-B21: Better-Value Equivalents in Stock
Comparing the 355671-B21 (355671-B21 - HP Adaptec ML110 PCI 64 / 66 MHz Ultra-320 64MB Cache SCSI RAID Controller) against alternatives? Pro Disk Network stocks 12 similar HP 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 355671-B21
| SKU | 355671-B21 |
|---|---|
| Product | 355671-B21 - HP Adaptec ML110 PCI 64 / 66 MHz Ultra-320 64MB Cache SCSI RAID Controller |
| Current price | $250.53 |
| Stock status | In Stock |
| Detail page | View 355671-B21 › |
Alternatives to 355671-B21
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.
306641-002 - HP 36.4GB 15000RPM Ultra-320 SCSI Hot-Pluggable LVD 80-Pin 3.5-inch Hard Drive
SKU: 306641-002
Price: $182.37
306645-002 - HP 36.4GB 15000RPM Ultra-320 SCSI Hot-Pluggable LVD 80-Pin 3.5-inch Hard Drive
SKU: 306645-002
Price: $182.37
306641-003 - HP 72.8GB 15000RPM Ultra-320 SCSI Hot-Pluggable LVD 80-Pin 3.5-inch Hard Drive
SKU: 306641-003
Price: $189.47
306645-003 - HP 72.8GB 15000RPM Ultra-320 SCSI Hot-Swappable 3.5-inch Hard Drive
SKU: 306645-003
Price: $205.26
306641-001 - HP 18.2GB 15000RPM Ultra-320 SCSI Hot-Pluggable LVD 80-Pin 3.5-inch Hard Drive
SKU: 306641-001
Price: $259.50
306645-001 - HP 18.2GB 15000RPM Ultra-320 SCSI Hot-Pluggable LVD 80-Pin 3.5-inch Hard Drive
SKU: 306645-001
Price: $273.91
306641-005 - HP 36.4GB 15000RPM Ultra-320 SCSI 68-Pin 3.5-inch Hard Drive
SKU: 306641-005
Price: $315.79
3006645-003 - HP 72.8GB 15000RPM Ultra-320 SCSI Hot-Pluggable LVD 80-Pin 3.5-inch Hard Drive
SKU: 3006645-003
Price: $330.86
306641-004 - HP 9.1GB 15000RPM Ultra-320 SCSI Hot-Swappable 80-Pin LVD 3.5-inch Hard Drive
SKU: 306641-004
Price: $450.00
306645R-001 - HP 18.2GB 15000RPM Ultra-320 SCSI Hot-Pluggable LVD 80-Pin 3.5-inch Hard Drive
SKU: 306645R-001
Price: $463.36
306641R-001 - HP 18.2GB 15000RPM Ultra-320 SCSI Hot-Pluggable LVD 80-Pin 3.5-inch Hard Drive
SKU: 306641R-001
Price: $463.36
306645R-003 - HP 72.8GB 15000RPM Ultra-320 SCSI Hot-Pluggable LVD 80-Pin 3.5-inch Hard Drive
SKU: 306645R-003
Price: $488.39
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.