Alternative to 721458-B21: Better-Value Equivalents in Stock
Comparing the 721458-B21 (721458-B21 - HP 3TB G2 FH/HL PCI Express ioDrive2 IO Accelerator for ProLiant Servers) 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 721458-B21
| SKU | 721458-B21 |
|---|---|
| Product | 721458-B21 - HP 3TB G2 FH/HL PCI Express ioDrive2 IO Accelerator for ProLiant Servers |
| Current price | $5,534.74 |
| Stock status | In Stock |
| Detail page | View 721458-B21 › |
Alternatives to 721458-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.
763834-B21 - HP 1.3TB HH/HL Value Endurance PCI Express Workload Accelerator Card
SKU: 763834-B21
Price: $316.84
SSDPEDME800G4P - HP 800GB NVMe Mixed Use HH/HL PCI Express Workload Accelerator for ProLiant Server
SKU: SSDPEDME800G4P
Price: $321.05
803200-B21 - HP 800GB Nvme Mixed Use Hh/hl PCI-Express Workload Accelerator for ProLiant Server
SKU: 803200-B21
Price: $363.16
804568-001 - HP 800GB NVMe Mixed Use HH/HL PCI Express Workload Accelerator for ProLiant Server
SKU: 804568-001
Price: $363.16
803202-B21 - HP 1.6TB NVME Mixed USE HH / HL PCI Express Workload Accelerator for ProLiant Server
SKU: 803202-B21
Price: $478.95
804570-001 - HP 2TB PCI Express (NVME) Solid State Drive Accelerator Card for ProLiant Server
SKU: 804570-001
Price: $626.32
803204-B21 - HP 2TB NVME Mixed USE HH / HL PCI Express Workload Accelerator for ProLiant Server
SKU: 803204-B21
Price: $694.74
803195-B21 - HP 800GB NVME Write Intensive HH / HL PCI Express Workload Accelerator for ProLiant Server
SKU: 803195-B21
Price: $1,347.37
803197-B21 - HP 1.6TB NVME Write Intensive HH / HL PCI Express Workload Accelerator for ProLiant Server
SKU: 803197-B21
Price: $1,866.58
QK763A - HP 1.2TB SSD MLC PCI-Express x4 I/O Accelerator for ProLiant Blade System
SKU: QK763A
Price: $4,787.37
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.