Alternative to 516824-B21: Better-Value Equivalents in Stock
Comparing the 516824-B21 (516824-B21 - HP 300GB 15000RPM 3.5-inch SAS 6GB/s Non-Hot Plug Dual 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 516824-B21
| SKU | 516824-B21 |
|---|---|
| Product | 516824-B21 - HP 300GB 15000RPM 3.5-inch SAS 6GB/s Non-Hot Plug Dual Port Hard Drive |
| Current price | $145.26 |
| Stock status | In Stock |
| Detail page | View 516824-B21 › |
Alternatives to 516824-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.
517351-001 - HP 300GB 15000RPM SAS 6GB/s non Hot-Plug Dual Port 3.5-inch Hard Drive
SKU: 517351-001
Price: $145.26
AB663A-0D1 - HP 300GB 15000RPM Ultra-320 SCSI non Hot-Plug LVD 68-Pin 3.5-inch Hard Drive
SKU: AB663A-0D1
Price: $316.84
AB663-69001 - HP 300GB 15000RPM Ultra-320 SCSI non Hot-Plug LVD 68-Pin 3.5-inch Hard Drive
SKU: AB663-69001
Price: $848.37
AB663A - HP 300GB 15000RPM Ultra-320 SCSI non Hot-Plug LVD 68-Pin 3.5-inch Hard Drive
SKU: AB663A
Price: $1,155.70
AB663-67101 - HP 300GB 15000RPM Ultra-320 SCSI non Hot-Plug LVD 68-Pin 3.5-inch Hard Drive
SKU: AB663-67101
Price: $1,364.92
AB663-69101 - HP 300GB 15000RPM Ultra-320 SCSI non Hot-Plug LVD 68-Pin 3.5-inch Hard Drive
SKU: AB663-69101
Price: $1,545.86
AB663-69750 - HP 300GB 15000RPM Ultra-320 SCSI non Hot-Plug LVD 68-Pin 3.5-inch Hard Drive
SKU: AB663-69750
Price: $1,548.36
584980-B21 - HP 300GB 15000RPM SAS 6GB/s non Hot-Pluggable Dual Port 3.5-inch Hard Drive
SKU: 584980-B21
Price: $897.47
518216-002 - HP 146GB 15000RPM 2.5-inch SAS 6GB/s Dual Port Hot Plug Sff Hard Drive with Tray
SKU: 518216-002
Price: $47.37
518022-001 - HP 73GB 15000RPM SAS 6GB/s 2.5-inch Hot Plug Hard Drive with Tray
SKU: 518022-001
Price: $128.95
EH0072FAWJA - HP 73GB 15000RPM SAS 6GB/s 2.5-inch Sff Dual-Port Hot-Plug Hard Drive with Tray
SKU: EH0072FAWJA
Price: $176.84
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.