Alternative to AS20A011-03-B: Better-Value Equivalents in Stock
Comparing the AS20A011-03-B (AS20A011-03-B - Quantum 20GB 7200RPM ATA-100 3.5-inch Hard Drive) against alternatives? Pro Disk Network stocks 12 similar 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 AS20A011-03-B
| SKU | AS20A011-03-B |
|---|---|
| Product | AS20A011-03-B - Quantum 20GB 7200RPM ATA-100 3.5-inch Hard Drive |
| Current price | $304.57 |
| Stock status | In Stock |
| Detail page | View AS20A011-03-B › |
Alternatives to AS20A011-03-B
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.
9T6004-038 - Seagate BarraCuda 20GB 7200RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache 3.5-inch Hard Drive
SKU: 9T6004-038
Price: $217.04
9T6004-032 - Seagate BarraCuda 20GB 7200RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache 3.5-inch Hard Drive
SKU: 9T6004-032
Price: $282.20
9T6004-030 - Seagate BarraCuda 20GB 7200RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache 3.5-inch Hard Drive
SKU: 9T6004-030
Price: $305.05
9T6004-103 - Seagate BarraCuda 20GB 7200RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache 3.5-inch Hard Drive
SKU: 9T6004-103
Price: $305.05
9R3005-031 - Seagate BarraCuda ATA III 15GB 7200RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache (CE) 3.5-inch Hard Drive
SKU: 9R3005-031
Price: $82.42
9R3005-030 - Seagate BarraCuda ATA III 15GB 7200RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache (CE) 3.5-inch Hard Drive
SKU: 9R3005-030
Price: $144.07
9R3005-038 - Seagate BarraCuda ATA III 15GB 7200RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache (CE) 3.5-inch Hard Drive
SKU: 9R3005-038
Price: $144.07
9T6006-103 - Seagate BarraCuda ATA IV 80GB 7200RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache (CE) 3.5-inch Hard Drive
SKU: 9T6006-103
Price: $313.76
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
9R4003-643 - Seagate U5 Series 20GB 5400RPM IDE Ultra ATA/100 (ATA-6) 512KB Cache (CE) 3.5-inch Hard Drive
SKU: 9R4003-643
Price: $227.39
9W1021-030 - Seagate U Series X 20GB 5400RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache (CE) 3.5-inch Hard Drive
SKU: 9W1021-030
Price: $261.59
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.