Alternative to 580638-B21: Better-Value Equivalents in Stock
Comparing the 580638-B21 (580638-B21 - HP PCI-x 16 Riser Card for ProLiant Sl165z G6) 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 580638-B21
| SKU | 580638-B21 |
|---|---|
| Product | 580638-B21 - HP PCI-x 16 Riser Card for ProLiant Sl165z G6 |
| Current price | $184.71 |
| Stock status | In Stock |
| Detail page | View 580638-B21 › |
Alternatives to 580638-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.
728537-001 - HP Slot 2/5 PCI-Express X16 Slot 3/6 PCI-Express X8 Riser Board for ProLiant DL380p Gen8 Server
SKU: 728537-001
Price: $189.47
490419-001 - HP PCI-Express X16 1u Low Profile Riser Card for ProLiant DL320 G6
SKU: 490419-001
Price: $71.58
516803-001 - HP 2-Slot PCI-Express x8 Riser Card for ProLiant DL180 G6 Server
SKU: 516803-001
Price: $71.58
685184-001 - HP X16 PCI-Express Riser Card (without SAS Support) for ProLiant DL360e Gen8 Server
SKU: 685184-001
Price: $73.68
511809-001 - HP PCI-Express X16 1u Low Profile Riser Card for ProLiant DL320 G6
SKU: 511809-001
Price: $73.68
516807-001 - HP 2-Slot PCI-Express x8 PCA Riser Card for ProLiant DL180 G6 Server
SKU: 516807-001
Price: $86.32
647077-001 - HP PCI-Express X16 Riser Card (with Front Right Bracket) for ProLiant Sl230s G8
SKU: 647077-001
Price: $86.32
508493-002 - HP 1-Slot PCI-Express x16 Riser Card for ProLiant Sl390s G7 Server
SKU: 508493-002
Price: $96.84
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.