Alternative to P21649-B21: Better-Value Equivalents in Stock
Comparing the P21649-B21 (P21649-B21 - HPE 290-Watts 100-240V Hot Plugable Power Supply for DL20 G10) 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 P21649-B21
| SKU | P21649-B21 |
|---|---|
| Product | P21649-B21 - HPE 290-Watts 100-240V Hot Plugable Power Supply for DL20 G10 |
| Current price | $254.74 |
| Stock status | In Stock |
| Detail page | View P21649-B21 › |
Alternatives to P21649-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.
865435-001 - HPE 800-Watts Flex Slot Titanium Hot Plugable Power Supply for Proliant DL 385 Gen10
SKU: 865435-001
Price: $200.00
Aruba Networks JL087A#ARB X372 1050-Watts 110-240VAC hot-plugable Power Supply for HPE Aruba 2930M 24 / 2930M 24G / 2930M 40G
SKU: JL087A-ARB
Price: $952.71
HPE JG900A#AC3 300-Watts 100-240V AC Power Supply For HPE Procurve A58X0AF
SKU: JG900A-AC3
Price: $395.34
HPE JG900AR#ABB 300-Watts 100-240V AC Power Supply For HPE Procurve A58X0AF
SKU: JG900AR-ABB
Price: $395.34
HPE JG900A#ABA 300-Watts 100-240V AC Power Supply For HPE Procurve A58X0AF
SKU: JG900A-ABA
Price: $395.34
JL633A - HPE Aruba 650-Watts 100-240V AC Back-to-Front Power Supply for HPE Aruba 8325-32C 8325-48Y8C
SKU: JL633A
Price: $665.26
JL593AR - HPE 450-Watts 100-240 V AC Hot-Pluggable Power Supply for HPE FlexFabric 5710 Series Switch
SKU: JL593AR
Price: $500.00
HPE JL593A#AC3 450-Watts 100-240 V AC Hot-Pluggable Power Supply for HPE FlexFabric 5710 Series Switch
SKU: JL593A-AC3
Price: $1,478.39
HPE JL593A#ACC 450-Watts 100-240 V AC Hot-Pluggable Power Supply for HPE FlexFabric 5710 Series Switch
SKU: JL593A-ACC
Price: $1,478.39
HPE JL593A#B2B 450-Watts 100-240 V AC Hot-Pluggable Power Supply for HPE FlexFabric 5710 Series Switch
SKU: JL593A-B2B
Price: $1,478.39
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.