Alternative to ST94812A-RK: Better-Value Equivalents in Stock
Comparing the ST94812A-RK (ST94812A-RK - Seagate Momentus 40GB 5400RPM IDE 8MB Cache 2.5-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 ST94812A-RK
| SKU | ST94812A-RK |
|---|---|
| Product | ST94812A-RK - Seagate Momentus 40GB 5400RPM IDE 8MB Cache 2.5-inch Hard Drive |
| Current price | $485.68 |
| Stock status | In Stock |
| Detail page | View ST94812A-RK › |
Alternatives to ST94812A-RK
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.
ST9402116AB - Seagate Momentus 5400.3 40GB 5400RPM IDE Ultra ATA/100 (ATA-6) 8MB Cache 2.5-inch Hard Drive
SKU: ST9402116AB
Price: $571.45
ST9402113A - Seagate Momentus 4200.2 40GB 4200RPM IDE/ATA-100 8MB Cache 2.5-inch Hard Drive
SKU: ST9402113A
Price: $192.63
ST940814AS - Seagate Momentus 5400.3 40GB 5400RPM SATA 1.5Gb/s 8MB Cache 2.5-inch Hard Drive
SKU: ST940814AS
Price: $140.00
ST9402116SB - Seagate Momentus 5400.3 40GB 5400RPM SATA 1.5Gb/s 8MB Cache 2.5-inch Hard Drive
SKU: ST9402116SB
Price: $158.00
ST9408114A - Seagate Momentus 40GB 5400RPM ATA-100 8MB Cache 2.5-inch Hard Drive
SKU: ST9408114A
Price: $160.55
9W3232-030 - Seagate Momentus 5400.2 40GB 5400RPM ATA-100 8MB Cache 2.5-inch Hard Drive
SKU: 9W3232-030
Price: $226.08
9Y1082-301 - Seagate Momentus 40GB 5400RPM ATA-100 8MB Cache 2.5-inch Hard Drive
SKU: 9Y1082-301
Price: $237.49
9W3232-020 - Seagate Momentus 5400.2 40GB 5400RPM ATA-100 8MB Cache 2.5-inch Hard Drive
SKU: 9W3232-020
Price: $273.91
ST94813A - Seagate Momentus 5400.2 40GB 5400RPM ATA-100 8MB Cache 2.5-inch Hard Drive
SKU: ST94813A
Price: $291.79
ST940815A - Seagate Momentus 5400.3 40GB 5400RPM ATA-100 8MB Cache 2.5-inch Hard Drive
SKU: ST940815A
Price: $305.05
ST94813AS - Seagate Momentus 5400.2 40GB 5400RPM SATA 1.5Gb/s 8MB Cache 2.5-inch Hard Drive
SKU: ST94813AS
Price: $344.33
ST94811A - Seagate Momentus 40GB 5400RPM ATA-100 8MB Cache 2.5-inch Hard Drive
SKU: ST94811A
Price: $344.84
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.