Alternative to 431944-B21: Better-Value Equivalents in Stock
Comparing the 431944-B21 (431944-B21 - HP 300GB Hot Swap Single Port Hard Drive) 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 431944-B21
| SKU | 431944-B21 |
|---|---|
| Product | 431944-B21 - HP 300GB Hot Swap Single Port Hard Drive |
| Current price | $138.95 |
| Stock status | In Stock |
| Detail page | View 431944-B21 › |
Alternatives to 431944-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.
431944-B22 - HP 300GB 15000RPM SAS 3GB/s Hot-Pluggable Dual Port 3.5-inch Hard Drive
SKU: 431944-B22
Price: $250.53
EM174AA - HP 300GB 15000RPM SAS 3GB/s Hot Swap Single Port 3.5-inch Hard Drive
SKU: EM174AA
Price: $155.79
AM244A - HP 300GB 10000RPM SAS 6GB/s Hot Swap Dual Port 2.5-inch Hard Drive
SKU: AM244A
Price: $145.26
A2Z20AA - HP 300GB 10000RPM SAS 3GB/s Hot Swap Dual Port 2.5-inch Hard Drive
SKU: A2Z20AA
Price: $195.79
LU967AT - HP 300GB 15000RPM SAS 6.0Gb/s Hot Swap Dual Port 3.5-inch Hard Drive
SKU: LU967AT
Price: $205.26
705020-001 - HP 300GB 10000RPM SAS 6.0Gb/s Hot Swap Dual Port 2.5-inch Hard Drive
SKU: 705020-001
Price: $226.08
432320-001 - HP 146.8GB 10000RPM 2.5-inch Hot Swap Serial Attached SCSI (sas) Single-Port Hard Drive with Tray
SKU: 432320-001
Price: $54.74
BD3008A4B6 - HP 300GB 10000RPM 80-Pin Ultra-320 SCSI Universal Hot Swap Hard Drive with Tray
SKU: BD3008A4B6
Price: $369.84
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.