Alternative to ST6000NM021A: Better-Value Equivalents in Stock
Comparing the ST6000NM021A (ST6000NM021A - Seagate Exos 7E8 6TB 7200RPM SATA 6Gb/s 256MB Cache 512e 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 ST6000NM021A
| SKU | ST6000NM021A |
|---|---|
| Product | ST6000NM021A - Seagate Exos 7E8 6TB 7200RPM SATA 6Gb/s 256MB Cache 512e 3.5-inch Hard Drive |
| Current price | $480.21 |
| Stock status | In Stock |
| Detail page | View ST6000NM021A › |
Alternatives to ST6000NM021A
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.
1YZ110-002 - Seagate Exos 7E8 6TB 7200RPM SATA 6Gb/s 256MB Cache (512e) 3.5-inch Hard Drive
SKU: 1YZ110-002
Price: $291.79
ST6000NM0115 - Seagate Exos 700000000 6TB 7200RPM SATA 6Gb/s 512e 256MB Cache 3.2-inch Hard Drive
SKU: ST6000NM0115
Price: $352.63
Seagate ST6000NM019B Exos 7E10 6TB 7200RPM SATA 6Gb/s 256MB Cache 3.5-Inch Hard Drive
SKU: ST6000NM019B
Price: $471.58
ST6000NM002A - Seagate Exos 7E8 6TB 7200RPM SATA 6Gb/s 256MB Cache 512n 3.5-inch Hard Drive
SKU: ST6000NM002A
Price: $484.80
ST6000NM029A - Seagate Exos 7E8 6TB 7200RPM SAS 12Gb/s 256MB Cache 512e 3.5-inch Hard Drive
SKU: ST6000NM029A
Price: $184.21
1YZ210-002 - Seagate Exos 7E8 6TB 7200RPM SAS 12Gb/s 256MB Cache (512e) 3.5-inch Hard Drive
SKU: 1YZ210-002
Price: $200.00
1YZ210-003 - Seagate Exos 7E8 6TB 7200RPM SAS 12Gb/s 256MB Cache (512e) 3.5-inch Hard Drive
SKU: 1YZ210-003
Price: $259.50
1YZ210-041 - Seagate Exos 7E8 6TB 7200RPM SAS 12Gb/s 256MB Cache (512e) 3.5-inch Hard Drive
SKU: 1YZ210-041
Price: $340.32
Seagate ST6000NM020B Exos 7E10 6TB 7200RPM 12Gb/s SAS 256MB Cache 512e 3.5-Inch Hard Drive. In Stock
SKU: ST6000NM020B
Price: $389.47
1YZ210-505 - Seagate Exos 7E8 6TB 7200RPM SAS 12Gb/s 256MB Cache (512e) 3.5-inch Hard Drive
SKU: 1YZ210-505
Price: $736.62
1YZ210-504 - Seagate Exos 7E8 6TB 7200RPM SAS 12Gb/s 256MB Cache (512e) 3.5-inch Hard Drive
SKU: 1YZ210-504
Price: $736.62
1YZ210-570 - Seagate Exos 7E8 6TB 7200RPM SAS 12Gb/s 256MB Cache (512e) 3.5-inch Hard Drive
SKU: 1YZ210-570
Price: $736.62
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.