Alternative to ST31055N: Better-Value Equivalents in Stock
Comparing the ST31055N (ST31055N - Seagate 1GB 5400RPM Ultra SCSI 50-Pin 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 ST31055N
| SKU | ST31055N |
|---|---|
| Product | ST31055N - Seagate 1GB 5400RPM Ultra SCSI 50-Pin 3.5-inch Hard Drive |
| Current price | $461.84 |
| Stock status | In Stock |
| Detail page | View ST31055N › |
Alternatives to ST31055N
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.
947001-051 - Seagate 1GB 5400RPM Ultra SCSI 50-Pin 256KB Cache 3.5-inch Hard Drive
SKU: 947001-051
Price: $172.62
947001-028 - Seagate 1GB 5400RPM Ultra SCSI 50-Pin 256KB Cache 3.5-inch Hard Drive
SKU: 947001-028
Price: $344.33
9C4003-026 - Seagate Hawk 2.1GB 5400RPM Wide Ultra SCSI 50-Pin 256KB Cache 3.5-inch Hard Drive
SKU: 9C4003-026
Price: $448.99
9C4003-055 - Seagate Hawk 2.1GB 5400RPM Wide Ultra SCSI 50-Pin 256KB Cache 3.5-inch Hard Drive
SKU: 9C4003-055
Price: $493.49
9C4003-044 - Seagate Hawk 2.1GB 5400RPM Wide Ultra SCSI 50-Pin 256KB Cache 3.5-inch Hard Drive
SKU: 9C4003-044
Price: $560.25
9C4003-027 - Seagate Hawk 2.1GB 5400RPM Wide Ultra SCSI 50-Pin 256KB Cache 3.5-inch Hard Drive
SKU: 9C4003-027
Price: $642.43
9C4003-041 - Seagate Hawk 2.1GB 5400RPM Wide Ultra SCSI 50-Pin 256KB Cache 3.5-inch Hard Drive
SKU: 9C4003-041
Price: $712.64
9B1003-041 - Seagate Hawk 2LP 1.06GB 5400RPM Ultra SCSI 50-Pin 256KB Cache 3.5-inch Low Profile Hard Drive
SKU: 9B1003-041
Price: $99.01
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.