Alternative to ST42101ND: Better-Value Equivalents in Stock
Comparing the ST42101ND (ST42101ND - Seagate 1.9GB 3600RPM Fast SCSI 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 ST42101ND
| SKU | ST42101ND |
|---|---|
| Product | ST42101ND - Seagate 1.9GB 3600RPM Fast SCSI 5.25-inch Hard Drive |
| Stock status | In Stock |
| Detail page | View ST42101ND › |
Alternatives to ST42101ND
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.
ST42100N - Seagate Wren-9 1.9GB 3600RPM Fast SCSI 256KB Cache 5.25-inch Hard Drive
SKU: ST42100N
Price: $187.37
939001-002 - Seagate 1.2GB 3600RPM Fast SCSI 256KB Cache 50-Pin 5.25-inch Hard Drive
SKU: 939001-002
Price: $221.74
ST41650N - Seagate 1.6GB 3600RPM Fast SCSI 256KB Cache 50-Pin 5.25-inch Hard Drive
SKU: ST41650N
Price: $369.84
ST41200N - Seagate 1.2GB 3600RPM Fast SCSI 256KB Cache 50-Pin 5.25-inch Hard Drive
SKU: ST41200N
Price: $395.34
ST4376N - Seagate 330MB 3600RPM SCSI 50-Pin 32KB Cache 5.25-inch Hard Drive
SKU: ST4376N
Price: $496.84
ST4766N - Seagate Wren-6 676MB 3600RPM SCSI 50-Pin 32KB Cache 5.25-inch Hard Drive
SKU: ST4766N
Price: $503.09
938002-002 - Seagate Wren-6 766MB 3600RPM SCSI 50-Pin 32KB Cache 5.25-inch Hard Drive
SKU: 938002-002
Price: $560.25
ST730212DE - Seagate Lyrion 30GB ATA-66 3600RPM 2MB Cache 1.8 Hard Drive
SKU: ST730212DE
Price: $113.68
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.