Alternative to 21-43918-44: Better-Value Equivalents in Stock
Comparing the 21-43918-44 (21-43918-44 - HP 500MHz Processer Controller Unit for AlphaServer 800) 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 21-43918-44
| SKU | 21-43918-44 |
|---|---|
| Product | 21-43918-44 - HP 500MHz Processer Controller Unit for AlphaServer 800 |
| Current price | $602.78 |
| Stock status | In Stock |
| Detail page | View 21-43918-44 › |
Alternatives to 21-43918-44
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.
726737-B21 - HP Smart Array P440ar Dual Port PCI-Express 3 x8 12GB/s SAS Mezzanine Storage Controller Card with 2GB Flash Back Write Cache
SKU: 726737-B21
Price: $47.37
804424-B21 - HP Smart Array P204i-C SR Gen10 Storage Controller (RAID) SATA 6Gb/s / SAS 12Gb/s PCI-E 3.0 x8
SKU: 804424-B21
Price: $47.37
447774-B21 - HP SC40GE 4-Port PCI-Express SAS Storage Controller External Host Bus Adapter
SKU: 447774-B21
Price: $96.84
820834-B21 - HP Smart Array P440 / 2GB FBWC 12GB 1-Port INT SAS Controller
SKU: 820834-B21
Price: $128.42
416096-B21 - HP SC44Ge 8-Channel (4-Internal/4-External) PCI-Express SAS Storage Controller Host Bus Adapter
SKU: 416096-B21
Price: $145.26
761871-B21 - HP Smart Array P244br 12GB 2-Port PCi-Express x8 SAS RAID Controller includes 1GB GBWC
SKU: 761871-B21
Price: $145.26
726736-B21 - HP Smart Array P440ar Dual Port PCI-Express 3 x8 12GB/s SAS Mezzanine Storage Controller Card with 2GB Flash Back Write Cache
SKU: 726736-B21
Price: $163.16
726821-B21 - HP Smart Array P440 PCI-Express 3.0 X8 12GB 1-Port Internal SAS Controller with 4GB Fbwc
SKU: 726821-B21
Price: $163.16
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.