Alternative to A9891A: Better-Value Equivalents in Stock
Comparing the A9891A (A9891A - HP Smart Array 6404 PCI-X 64-bit 133MHz 4-Channel SCSI Ultra320 68-Pin 256MB Internal RAID Controller Card for ProLiant ML570/DL580 G3 Server) 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 A9891A
| SKU | A9891A |
|---|---|
| Product | A9891A - HP Smart Array 6404 PCI-X 64-bit 133MHz 4-Channel SCSI Ultra320 68-Pin 256MB Internal RAID Controller Card for ProLiant ML570/DL580 G3 Server |
| Current price | $294.74 |
| Stock status | In Stock |
| Detail page | View A9891A › |
Alternatives to A9891A
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.
273914-B21 - HP Smart Array 6404 PCI-X 64-bit 133MHz 4-Channel SCSI Ultra320 68-Pin 256MB Internal RAID Controller Card for ProLiant ML570/DL580 G3
SKU: 273914-B21
Price: $294.74
452240-B21 - HP Smart Array 6404 4 Channel Ultra320 SCSI 64-Bit 133MHz 512MB Cache 320MB/s PCI-X RAID Storage Controller Card
SKU: 452240-B21
Price: $538.95
331374-001 - HP Smart Array 6404 4Channel PCI 64-bit 133MHz Ultra-320 SCSI Controller with 256MB Cache
SKU: 331374-001
Price: $250.53
372538-B21 - HP 512MB 72-Bit DDR Battery Backed Write Cache (BBWC) Memory Board with Battery for HP Smart Array P600/6402/6404
SKU: 372538-B21
Price: $345.26
378202-001 - HP 512MB 72-Bit DDR Battery Backed Write Cache (BBWC) Memory Board with Battery for Smart Array P600/6402/6404
SKU: 378202-001
Price: $345.26
225338-B21 - HP Smart Array 532 Dual Channel Ultra320 66MHz 64Bit 68-Pin 32MB Cache PCI SCSI Array Controller Card
SKU: 225338-B21
Price: $110.53
226874-001 - HP Smart Array 532 Dual Channel Ultra320 66MHz 64Bit 68-Pin 32MB Cache PCI SCSI Array Controller Card
SKU: 226874-001
Price: $110.53
226874R-001 - HP Smart Array 532 Dual Channel Ultra320 66MHz 64Bit 68-Pin 32MB Cache PCI SCSI Array Controller Card
SKU: 226874R-001
Price: $157.84
305414-001 - HP Smart Array 641 64-Bit 133MHz PCI-X SCSI Ultra320 68-Pin Single Channel RAID Controller with 64MB Cache
SKU: 305414-001
Price: $71.58
011815-002 - HP Smart Array 642 Dual Channel 64-bit 133MHz PCI-x Ultra-320 SCSI RAID Controller Card Only
SKU: 011815-002
Price: $117.89
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.