Alternative to ST43400N: Better-Value Equivalents in Stock
Comparing the ST43400N (ST43400N - Seagate Elite-3 2.9GB 5400RPM Fast SCSI 50-Pin 512KB Cache 5.25-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 ST43400N
| SKU | ST43400N |
|---|---|
| Product | ST43400N - Seagate Elite-3 2.9GB 5400RPM Fast SCSI 50-Pin 512KB Cache 5.25-inch Hard Drive |
| Current price | $265.26 |
| Stock status | In Stock |
| Detail page | View ST43400N › |
Alternatives to ST43400N
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.
ST41600N - Seagate Elite-1 1.3GB 5400RPM Fast SCSI 50-Pin 256KB Cache 5.25-inch Hard Drive
SKU: ST41600N
Price: $189.47
ST42400N - Seagate Elite-2 2.1GB 5400RPM Fast SCSI 50-Pin 256KB Cache 5.25-inch Hard Drive
SKU: ST42400N
Price: $273.68
992001-001 - Seagate Elite-3 2.9GB 5400RPM Fast SCSI 50-Pin 512KB Cache 5.25-inch Hard Drive
SKU: 992001-001
Price: $480.21
990001-002 - Seagate Elite-2 2.1GB 5400RPM Fast SCSI 50-Pin 256KB Cache 5.25-inch Hard Drive
SKU: 990001-002
Price: $583.12
ST423451N - Seagate Elite-23 23.2GB 5400RPM Ultra SCSI 50-Pin 2MB Cache 5.25-inch Hard Drive
SKU: ST423451N
Price: $565.32
9E3001-001 - Seagate Elite-23 23.2GB 5400RPM Ultra SCSI 50-Pin 2MB Cache 5.25-inch Hard Drive
SKU: 9E3001-001
Price: $565.32
9B1001-076 - Seagate Hawk 2LP 2.1GB 5400RPM Fast SCSI 50-Pin 512KB Cache 3.5-inch Hard Drive
SKU: 9B1001-076
Price: $85.96
9B1001-084 - Seagate Hawk 2LP 2.1GB 5400RPM Fast SCSI 50-Pin 512KB Cache 3.5-inch Hard Drive
SKU: 9B1001-084
Price: $139.63
950001-026 - Seagate Hawk 1LP 1.25GB 5400RPM Fast SCSI 50-Pin 1MB Cache (CE) 3.5-inch Hard Drive
SKU: 950001-026
Price: $183.75
ST15230N - Seagate 4.29GB 5400RPM 50 -Pin Fast SCSI 512KB Cache 3.5-inch NARROW Hard Drive
SKU: ST15230N
Price: $189.47
ST11200N - Seagate Hawk 1 1.05GB 5400RPM Fast SCSI 50-Pin 256KB Cache 3.5-inch Hard Drive
SKU: ST11200N
Price: $194.74
ST12400N - Seagate 2.15GB 5400RPM Fast SCSI 256KB Cache 50-Pin 3.5-inch Hard Drive
SKU: ST12400N
Price: $194.74
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.