Alternative to 577668-B21: Better-Value Equivalents in Stock
Comparing the 577668-B21 (577668-B21 - HP 3 PCI-Express X8 Full Height Riser Kit for ProLiant DL180 G6 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 577668-B21
| SKU | 577668-B21 |
|---|---|
| Product | 577668-B21 - HP 3 PCI-Express X8 Full Height Riser Kit for ProLiant DL180 G6 Server |
| Current price | $205.26 |
| Stock status | In Stock |
| Detail page | View 577668-B21 › |
Alternatives to 577668-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.
765510-B21 - HP DL60/120 Gen9 Full Height Half Length PCIe Riser Kit PCI Express
SKU: 765510-B21
Price: $565.32
765515-B21 - HP Full Height Half Length Riser Kit for ProLiant DL80 Gen9 Server
SKU: 765515-B21
Price: $783.66
C2K00AT - HP FirePro W7000 Video Graphics Card GDDR5 SDRAM PCI-Express 3.0 x16 Full-length/Full-height 4096 x 2160 DisplayPort
SKU: C2K00AT
Price: $639.80
775419-001 - HP Full Height PCI Secondary Riser Cage for ProLiant DL360 Gen9 Server
SKU: 775419-001
Price: $218.95
667867-001 - HP DL360P Gen 8 PCI Express Riser Board - X16 Slot, Full Height, Half Lenth
SKU: 667867-001
Price: $73.68
409451-001 - HP PCI-X Riser Board Half Height PCI-X Conversion Kit for ProLiant DL360 G5
SKU: 409451-001
Price: $182.37
430995-001 - HP PCI-Express X1 Riser Board (Half Height ) for ProLiant Dl320 G5
SKU: 430995-001
Price: $149.47
686676-001 - HP Full Length Half Length PCI-Express X16 Riser Board for ProLiant DL320e G8 Server
SKU: 686676-001
Price: $110.53
671323-001 - HP Full Lenght Half Length PCI-Express X16 Riser Board 1u for ProLiant DL320e Gen8 Server
SKU: 671323-001
Price: $110.53
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.