Alternative to 921066-051: Better-Value Equivalents in Stock
Comparing the 921066-051 (921066-051 - Seagate Cheetah 15K.5 300GB 15000RPM SAS 3Gb/s 16MB Cache 3.5-inch Hard Drive) against alternatives? Pro Disk Network stocks 12 similar Seagate 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 921066-051
| SKU | 921066-051 |
|---|---|
| Product | 921066-051 - Seagate Cheetah 15K.5 300GB 15000RPM SAS 3Gb/s 16MB Cache 3.5-inch Hard Drive |
| Current price | $186.07 |
| Stock status | In Stock |
| Detail page | View 921066-051 › |
Alternatives to 921066-051
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.
9Z1066-051 - Seagate Cheetah 15K.5 300GB 15000RPM SAS 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: 9Z1066-051
Price: $131.58
9DJ066-051 - Seagate Cheetah T10 300GB 15000RPM SAS 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: 9DJ066-051
Price: $305.05
9Z3066-051 - Seagate Cheetah 15K.5 73.4GB 15000RPM SAS 3Gb/s 16MB Cache (CE) 3.5-inch Enterprise Hard Drive
SKU: 9Z3066-051
Price: $86.32
9Z2066-051 - Seagate Cheetah 15K.5 146.8GB 15000RPM SAS 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: 9Z2066-051
Price: $103.16
9DK066-051 - Seagate Cheetah T10 Series 146GB 15000RPM SAS 3Gb/s 16MB Cache (CE) 3.5-inch Hard Drive
SKU: 9DK066-051
Price: $103.16
9CE066-051 - Seagate Cheetah 15K.6 146GB 15000RPM SAS 3Gb/s 16MB Cache (CE) 3.5-inch Hard Drive with Tray
SKU: 9CE066-051
Price: $189.47
9DL066-051 - Seagate Cheetah T10 73.4GB 15000RPM SAS 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: 9DL066-051
Price: $189.47
9X5006-051 - Seagate Cheetah 15K.4 73GB 15000RPM Ultra320 SCSI 8MB Cache 80-Pin 3.5-inch Hard Drive
SKU: 9X5006-051
Price: $162.09
9U8006-051 - Seagate Cheetah 15K.3 73.4GB 15000RPM Ultra320 SCSI 8MB Cache 80-Pin (CE) 3.5-inch Hard Drive
SKU: 9U8006-051
Price: $442.11
9Z1066-023 - Seagate Cheetah 15K.5 300GB 15000RPM SAS 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: 9z1066-023
Price: $103.16
9DJ066-080 - Seagate Cheetah T10 300GB 15000RPM SAS 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: 9DJ066-080
Price: $103.62
9Z1066-004 - Seagate Cheetah 15K.5 300GB 15000RPM SAS 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: 9Z1066-004
Price: $113.68
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.