Alternative to ST5660N: Better-Value Equivalents in Stock
Comparing the ST5660N (ST5660N - Seagate 545MB 4500RPM Fast 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 ST5660N
| SKU | ST5660N |
|---|---|
| Product | ST5660N - Seagate 545MB 4500RPM Fast SCSI 50-Pin 3.5-inch Hard Drive |
| Current price | $357.89 |
| Stock status | In Stock |
| Detail page | View ST5660N › |
Alternatives to ST5660N
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.
9A2005-031 - Seagate 545MB 4500RPM Fast SCSI 80-Pin 3.5-inch Hard Drive
SKU: 9A2005-031
Price: $392.99
ST3600N - Seagate 525MB 4500RPM Fast SCSI 240KB Cache 50-Pin 3.5-inch Hard Drive
SKU: ST3600N
Price: $194.74
948003-027 - Seagate 525MB 4500RPM Fast SCSI 240KB Cache 50-Pin 3.5-inch Hard Drive
SKU: 948003-027
Price: $438.16
ST3285N - Seagate 249MB 4500RPM Fast SCSI 50-Pin 128KB Cache 3.5-inch Hard Drive
SKU: ST3285N
Price: $608.79
ST3550N - Seagate 457MB 4500RPM Fast SCSI 50-Pin 256KB Cache 3.5-inch Hard Drive
SKU: ST3550N
Price: $661.11
9J7012-504 - Seagate Medalist 3232 3.2GB 4500RPM IDE Ultra ATA/33 (ATA-4) (CE) 3.5-inch Hard Drive
SKU: 9J7012-504
Price: $84.62
9J7013-503 - Seagate Medalist 2122 2.1GB 4500RPM IDE Ultra ATA/33 (ATA-4) 128KB Cache (CE) 3.5-inch Hard Drive
SKU: 9J7013-503
Price: $87.28
9J7013-101 - Seagate Medalist 2122 2.1GB 4500RPM IDE Ultra ATA/33 (ATA-4) 128KB Cache (CE) 3.5-inch Hard Drive
SKU: 9J7013-101
Price: $87.28
9J7013-502 - Seagate Medalist 2122 2.1GB 4500RPM IDE Ultra ATA/33 (ATA-4) 128KB Cache (CE) 3.5-inch Hard Drive
SKU: 9J7013-502
Price: $87.28
ST92155AG - Seagate Marathon 2.1GB 4500RPM IDE/ATA 107KB Cache 2.5-inch Hard Drive
SKU: ST92155AG
Price: $95.08
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.