Alternative to 9R4003-730: Better-Value Equivalents in Stock
Comparing the 9R4003-730 (9R4003-730 - Seagate U5 Series 20GB 5400RPM IDE Ultra ATA/100 (ATA-6) 512KB Cache (CE) 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 9R4003-730
| SKU | 9R4003-730 |
|---|---|
| Product | 9R4003-730 - Seagate U5 Series 20GB 5400RPM IDE Ultra ATA/100 (ATA-6) 512KB Cache (CE) 3.5-inch Hard Drive |
| Current price | $503.09 |
| Stock status | In Stock |
| Detail page | View 9R4003-730 › |
Alternatives to 9R4003-730
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.
9P5002-730 - Seagate U8 Series 8.4GB 5400RPM IDE Ultra ATA/66 (ATA-5) 512KB Cache (CE) 3.5-inch Hard Drive
SKU: 9P5002-730
Price: $76.00
9M9004-730 - Seagate U4 Series 8.4GB 5400RPM IDE Ultra ATA/66 (ATA-5) 256KB Cache (CE) 3.5-inch Hard Drive
SKU: 9M9004-730
Price: $76.00
9T6004-730 - Seagate BarraCuda 20GB 7200RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache 3.5-inch Hard Drive
SKU: 9T6004-730
Price: $117.72
9P3006-730 - Seagate Barracuda ATA II 15.3GB 7200RPM IDE Ultra ATA/66 (ATA-5) 2MB Cache (CE) 3.5-inch Hard Drive
SKU: 9P3006-730
Price: $184.00
9L4001-730 - Seagate Medalist 3210 3.2GB 5400RPM IDE Ultra ATA/33 (ATA-4) 256KB Cache (CE) 3.5-inch Hard Drive
SKU: 9L4001-730
Price: $100.45
9K2003-730 - Seagate Medalist 4321 4.3GB 5400RPM IDE Ultra ATA/33 (ATA-4) 128KB Cache (CE) 3.5-inch Hard Drive
SKU: 9K2003-730
Price: $137.82
9R5004-001 - Seagate U10 Series 20GB 5400RPM IDE Ultra ATA/66 (ATA-5) 512KB Cache (CE) 3.5-inch Hard Drive
SKU: 9R5004-001
Price: $147.37
9T7001-804 - Seagate U6 Series 20GB 5400RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache (CE) 3.5-inch Hard Drive
SKU: 9T7001-804
Price: $149.00
9R4003-105 - Seagate U5 Series 20GB 5400RPM IDE Ultra ATA/100 (ATA-6) 512KB Cache (CE) 3.5-inch Hard Drive
SKU: 9R4003-105
Price: $151.63
9W1021-391 - Seagate U Series X 20GB 5400RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache (CE) 3.5-inch Hard Drive
SKU: 9W1021-391
Price: $154.61
9R5004-030 - Seagate U10 Series 20GB 5400RPM IDE Ultra ATA/66 (ATA-5) 512KB Cache (CE) 3.5-inch Hard Drive
SKU: 9R5004-030
Price: $157.00
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.