Alternative to D4921A: Better-Value Equivalents in Stock
Comparing the D4921A (D4921A - HP Redundant Power Supply for NetServer) 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 D4921A
| SKU | D4921A |
|---|---|
| Product | D4921A - HP Redundant Power Supply for NetServer |
| Stock status | In Stock |
| Detail page | View D4921A › |
Alternatives to D4921A
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.
D8551A - HP 300-Watts 110-220V ATX Redundant Power Supply for NetServer LH3000 /LH6000
SKU: D8551A
Price: $73.68
0950-3494 - HP 350-Watts Redundant Hot-Pluggable Power Supply for NetServer LC2000
SKU: 0950-3494
Price: $73.68
0950-3663 - HP 750-Watts Redundant Hot Pluggable Power Supply for NetServer LXr 8500
SKU: 0950-3663
Price: $110.53
5064-6607 - HP 750-Watts Redundant Hot Swap Power Supply for NetServer LXR800 LXR8500
SKU: 5064-6607
Price: $121.05
P2498A - HP 400-Watts 110-220V AC Plug-in Module Redundant Power Supply for NetServer LP2000R
SKU: P2498A
Price: $121.05
5064-6608 - HP 750-Watts Redundant Hot Swap Power Supply for NetServer LXR800 LXR8500
SKU: 5064-6608
Price: $121.05
HP D8551A#ABA 300-Watts 110-220V ATX Redundant Power Supply for NetServer LH3000 /LH6000
SKU: D8551A-ABA
Price: $128.95
5065-8508 - HP 400-Watts Redundant Hot-Swap Power Supply Netserver LP2000R
SKU: 5065-8508
Price: $128.95
HP P2498A#ABA 400-Watts 110-220V AC Plug-in Module Redundant Power Supply for NetServer LP2000R
SKU: P2498A-ABA
Price: $128.95
D6021-69070 - HP 750-Watts 200-240V AC Redundant Hot Pluggable Power Supply for Netserver LXR8X00
SKU: D6021-69070
Price: $131.58
D6021-63070 - HP 750-Watts Redundant Hot Pluggable Power Supply for LXR800 NetServer
SKU: D6021-63070
Price: $138.95
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.