Alternative to ST157R: Better-Value Equivalents in Stock
Comparing the ST157R (ST157R Seagate 49MB 3600RPM ST412 3.5-Inch Internal) 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 ST157R
| SKU | ST157R |
|---|---|
| Product | ST157R Seagate 49MB 3600RPM ST412 3.5-Inch Internal |
| Current price | $616.71 |
| Stock status | In Stock |
| Detail page | View ST157R › |
Alternatives to ST157R
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.
9AN510-504 - Seagate ST1.2 Series 4GB 3600RPM IDE Ultra ATA/33 (ATA-4) 2MB Cache Flex 1-inch Module
SKU: 9AN510-504
Price: $129.58
9AN510-503 - Seagate ST1.2 Series 4GB 3600RPM IDE Ultra ATA/33 (ATA-4) 2MB Cache Flex 1-inch Module
SKU: 9AN510-503
Price: $129.58
9AN510-501 - Seagate ST1.2 Series 4GB 3600RPM IDE Ultra ATA/33 (ATA-4) 2MB Cache Flex 1-inch Module
SKU: 9AN510-501
Price: $129.58
9AN510-030 - Seagate ST1.2 Series 4GB 3600RPM IDE Ultra ATA/33 (ATA-4) 2MB Cache Flex 1-inch Module
SKU: 9AN510-030
Price: $129.58
9AN510-000 - Seagate ST1.2 Series 4GB 3600RPM IDE Ultra ATA/33 (ATA-4) 2MB Cache Flex 1-inch Module
SKU: 9AN510-000
Price: $129.58
9AN410-997 - Seagate ST1 Series 4GB 3600RPM CompactFlash (CF+) Type II 2MB Cache 1-inch Module
SKU: 9AN410-997
Price: $129.58
9AN410-901 - Seagate ST1 Series 4GB 3600RPM CompactFlash (CF+) Type II 2MB Cache 1-inch Module
SKU: 9AN410-901
Price: $129.58
9AN510-901 - Seagate ST1.2 Series 4GB 3600RPM IDE Ultra ATA/33 (ATA-4) 2MB Cache Flex 1-inch Module
SKU: 9AN510-901
Price: $129.58
9AN510-999 - Seagate ST1.2 Series 4GB 3600RPM IDE Ultra ATA/33 (ATA-4) 2MB Cache Flex 1-inch Module
SKU: 9AN510-999
Price: $129.58
9AN510-997 - Seagate ST1.2 Series 4GB 3600RPM IDE Ultra ATA/33 (ATA-4) 2MB Cache Flex 1-inch Module
SKU: 9AN510-997
Price: $129.58
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.