Alternative to 1ER166-301: Better-Value Equivalents in Stock
Comparing the 1ER166-301 (1ER166-301 - Seagate 3TB 7200RPM SATA 6Gb/s 64MB Cache (RoHS) 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 1ER166-301
| SKU | 1ER166-301 |
|---|---|
| Product | 1ER166-301 - Seagate 3TB 7200RPM SATA 6Gb/s 64MB Cache (RoHS) 3.5-inch Hard Drive |
| Current price | $344.33 |
| Stock status | In Stock |
| Detail page | View 1ER166-301 › |
Alternatives to 1ER166-301
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.
9YN166-301 - Seagate BarraCuda 3TB 7200RPM SATA 6Gb/s 64MB Cache (CE) 3.5-inch Hard Drive
SKU: 9YN166-301
Price: $282.20
9YN164-301 - Seagate BarraCuda 2TB 7200RPM SATA 6Gb/s 64MB Cache 3.5-inch Hard Drive
SKU: 9YN164-301
Price: $255.67
1CH162-301 - Seagate BarraCuda 1TB 7200RPM SATA 6Gb/s 64MB Cache LFF 3.5-inch Hard Drive
SKU: 1CH162-301
Price: $405.26
1ER162-301 - Seagate 1TB 7200RPM SATA 6Gb/s 64MB Cache (RoHS) 512e 3.5-inch Hard Drive
SKU: 1ER162-301
Price: $432.28
9YN162-301 - Seagate BarraCuda 1TB 7200RPM SATA 6Gb/s 64MB Cache 3.5-inch Hard Drive
SKU: 9YN162-301
Price: $466.58
9VT166-301 - Seagate BarraCuda Green 2TB 5900RPM SATA 6Gb/s 64MB Cache (CE) 3.5-inch Hard Drive
SKU: 9VT166-301
Price: $250.53
1EJ16G-301 - Seagate 750GB 5400RPM Multi-Level-Cell SATA 6Gb/s 64MB Cache (512) 2.5-inch Hard Drive
SKU: 1EJ16G-301
Price: $392.99
9VT16L-301 - Seagate BarraCuda Green 1.5TB 5900RPM SATA 6Gb/s 64MB Cache 3.5-inch Hard Drive
SKU: 9VT16L-301
Price: $525.96
1EJ164-301 - Seagate 1TB 5400RPM SATA 6Gb/s 64MB Cache 8GB Multi-Level-Cell NAND 2.5-inch Hybrid Hard Drive
SKU: 1EJ164-301
Price: $772.04
ST3300650SS - Seagate Seagate Constellation ES.2 3TB 7200RPM SAS 6Gb/s 64MB Cache 3.5-inch Hard Drive
SKU: ST3300650SS
Price: $165.79
ST3000DM001 - Seagate BarraCuda 3TB 7200RPM SATA 6Gb/s 64MB Cache 3.5-inch Hard Drive
SKU: ST3000DM001
Price: $136.84
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.