Alternative to 512545-B21: Better-Value Equivalents in Stock
Comparing the 512545-B21 (512545-B21 - HP Hot Swap Dual Port 72 GB 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 512545-B21
| SKU | 512545-B21 |
|---|---|
| Product | 512545-B21 - HP Hot Swap Dual Port 72 GB Hard Drive |
| Current price | $47.37 |
| Stock status | In Stock |
| Detail page | View 512545-B21 › |
Alternatives to 512545-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.
MB2000FCWDF - HP 2TB 7200RPM SAS 6.0Gbps Hot Swap Dual Port 3.5-inch Hard Drive
SKU: MB2000FCWDF
Price: $84.21
507610-B21 - HP 500GB 7200RPM SAS 6Gbps Hot Swap Dual Port 2.5-inch Hard Drive
SKU: 507610-B21
Price: $128.42
652757-S21 - HP 2TB 7200RPM SAS 6.0Gbps Hot Swap Dual Port 3.5-inch Hard Drive
SKU: 652757-S21
Price: $138.95
507129-016-SC - HP 1TB 7200RPM SAS 6.0Gb/s Hot Swap Dual Port 2.5-inch Hard Drive
SKU: 507129-016-SC
Price: $296.30
DG072A9BB7 - HP 72.8GB 10000RPM Hot Swap Serial Attached SCSI 2.5-inch Hard Drive with Tray
SKU: DG072A9BB7
Price: $50.53
787679-001 - HP Msa 2TB 7200RPM SAS 12GB/s 2.5-inch 512e Midline Hot-swap Internal Hard Drive
SKU: 787679-001
Price: $131.58
350388-001 - HP 80GB 7200RPM SATA 1.5Gb/s non Hot Swap 3.5-inch Hard Drive
SKU: 350388-001
Price: $131.58
BD07287B4C - HP 72.8GB 10000RPM 80-Pin Ultra-320 SCSI 3.5-inch 1.0-inch Height Hot Swap Hard Drive with Tray
SKU: BD07287B4C
Price: $157.07
588578-001 - HP 250GB 7200RPM SATA 3.0Gb/s Hot Swap NCQ 3.5-inch Hard Drive
SKU: 588578-001
Price: $170.53
571230-B21 - HP 250GB 7200RPM SATA Hot Swap 3.5-inch Hard Drive with Tray
SKU: 571230-B21
Price: $184.21
432337-005 - HP 750GB 7200RPM SATA 3.5-inch Hot Swap Hard Drive with Tray
SKU: 432337-005
Price: $187.37
410411-001 - HP 250GB 7200RPM SATA 3GB/s Hot Swap NCQ 3.5-inch Hard Drive
SKU: 410411-001
Price: $194.74
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.