Alternative to 452181-B21: Better-Value Equivalents in Stock
Comparing the 452181-B21 (452181-B21 - HP PCI-Express Input Output Upgrade Option Kit for ProLiant DL580 G5) 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 452181-B21
| SKU | 452181-B21 |
|---|---|
| Product | 452181-B21 - HP PCI-Express Input Output Upgrade Option Kit for ProLiant DL580 G5 |
| Current price | $205.26 |
| Stock status | In Stock |
| Detail page | View 452181-B21 › |
Alternatives to 452181-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.
452182-B21 - HP 3-Slot PCI-Express Input/Output Option Kit for ProLiant DL580 G5 Server
SKU: 452182-B21
Price: $131.58
H3A41AA - HP 90W Universal Power Adapter with USB 90 W Output Power 5 V DC Output Voltage 2.10 A Output Current
SKU: H3A41AA
Price: $405.34
Q8052-60003 - HP Input And Output Tray Kit for Officejet 6310 All-in-one Printer Series
SKU: Q8052-60003
Price: $181.83
682632-B21 - HP Mezzanine to PCI Express PC Board Option Kit for ProLiant SL4540 Gen8 Server
SKU: 682632-B21
Price: $131.58
012314-001 - HP PCI-Express Riser Option Kit with Cage for DL380-G4 / DL380-G4 Server
SKU: 012314-001
Price: $831.42
RB2-5423-000CN - HP Printer Paper Output Tray (Printer Paper Output Tray)
SKU: RB2-5423-000CN
Price: $128.95
HP X7W50AA#ABA USB-C Travel Power Adapter 65W 65 W Output Power 5 V DC 9 V DC 10 V DC 12 V DC 15 V DC 20 V DC Output Voltage USB
SKU: X7W50AA-ABA
Price: $164.05
0957-2171 - HP 75-Watts Input 100-240V AC Output 32V Power Adapter for DeskJet 955c Printer
SKU: 0957-2171
Price: $72.91
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.