Alternative to ST3100011AS: Better-Value Equivalents in Stock
Comparing the ST3100011AS (ST3100011AS - Seagate 100GB 7200RPM SATA 1.5Gb/s 2MB Cache 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 ST3100011AS
| SKU | ST3100011AS |
|---|---|
| Product | ST3100011AS - Seagate 100GB 7200RPM SATA 1.5Gb/s 2MB Cache 3.5-inch Hard Drive |
| Current price | $76.41 |
| Stock status | In Stock |
| Detail page | View ST3100011AS › |
Alternatives to ST3100011AS
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.
9W2072-175 - Seagate BarraCuda 7200.7 100GB 7200RPM ATA-100 2MB Cache 3.5-inch Hard Drive
SKU: 9W2072-175
Price: $369.84
ST310011A - Seagate BarraCuda 7200.7 100GB 7200RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache 3.5-inch Hard Drive
SKU: ST310011A
Price: $511.28
ST3100011A-RK - Seagate BarraCuda 7200.7 100GB 7200RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache 3.5-inch Hard Drive
SKU: ST3100011A-RK
Price: $621.63
ST9100821AS - Seagate Momentus 100GB 7200RPM SATA 8MB Cache 2.5-inch Hard Drive
SKU: ST9100821AS
Price: $273.91
ST910021AS - Seagate Momentus 100GB 7200RPM SERIAL ATA-150 SATA 2.5-inch 8MB Cache Hard Drive
SKU: ST910021AS
Price: $273.91
9S513E-070 - Seagate 100GB 7200RPM SATA 3Gb/s 8MB Cache 2.5-inch Hard Drive
SKU: 9S513E-070
Price: $273.91
9S3014-070 - Seagate 100GB 7200RPM SATA 1.5Gb/s 8MB Cache 2.5-inch Hard Drive
SKU: 9S3014-070
Price: $282.20
9S3014-021 - Seagate Momentus 7200.1 100GB 7200RPM SATA 1.5Gb/s 8MB Cache (RoHS) 2.5-inch Hard Drive
SKU: 9S3014-021
Price: $382.59
9S3014-750 - Seagate Momentus 7200.1 100GB 7200RPM SATA 1.5Gb/s 8MB Cache (RoHS) 2.5-inch Hard Drive
SKU: 9S3014-750
Price: $382.59
9S3014-022 - Seagate Momentus 7200.1 100GB 7200RPM SATA 1.5Gb/s 8MB Cache (RoHS) 2.5-inch Hard Drive
SKU: 9S3014-022
Price: $382.59
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.