Alternative to 400899-B21: Better-Value Equivalents in Stock
Comparing the 400899-B21 (400899-B21 - HP Tower to Rack Conversion Kit for ProLiant ML370 G5 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 400899-B21
| SKU | 400899-B21 |
|---|---|
| Product | 400899-B21 - HP Tower to Rack Conversion Kit for ProLiant ML370 G5 Server |
| Current price | $563.16 |
| Stock status | In Stock |
| Detail page | View 400899-B21 › |
Alternatives to 400899-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.
790357-B21 - HP Tower to Rack Conversion Kit for ProLiant ML350 G9 Server
SKU: 790357-B21
Price: $265.26
758590-001 - HP Tower to Rack Conversion Kit for ProLiant ML350 G9 Server
SKU: 758590-001
Price: $265.26
786182-001 - HP Tower to Rack Conversion Kit for ProLiant ML350 G9 Server
SKU: 786182-001
Price: $265.26
302569-001 - HP Tower to Rack Conversion kit for ProLiant ML310/ML330 G3 Server
SKU: 302569-001
Price: $357.89
238547-B22 - HP Tower to Rack Conversion kit for ProLiant ML310/ML330 G3 Server
SKU: 238547-B22
Price: $357.89
453744-B21 - HP Tower to Rack Conversion Kit for ProLiant DL580 G5 Server
SKU: 453744-B21
Price: $366.32
128289-B21 - HP / Compaq Tower to Rack Conversion Kit for ProLiant ML530 Server
SKU: 128289-B21
Price: $402.11
159317-001 - HP Tower to Rack Conversion Kit for ProLiant ML530 / ML570 Server
SKU: 159317-001
Price: $433.68
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.