Alternative to 0A78603: Better-Value Equivalents in Stock
Comparing the 0A78603 (0A78603 - Hitachi TravelStar 320GB 5400RPM SATA 3Gb/s 8MB Cache 7MM 2.5-inch Hard Drive) against alternatives? Pro Disk Network stocks 12 similar Hitachi 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 0A78603
| SKU | 0A78603 |
|---|---|
| Product | 0A78603 - Hitachi TravelStar 320GB 5400RPM SATA 3Gb/s 8MB Cache 7MM 2.5-inch Hard Drive |
| Current price | $273.91 |
| Stock status | In Stock |
| Detail page | View 0A78603 › |
Alternatives to 0A78603
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.
0J13113 - Hitachi Travelstar Z5K320 320GB 5400RPM SATA 3Gb/s 8MB Cache 2.5-inch Hard Drive
SKU: 0J13113
Price: $131.32
HTS545032A7E380 - Hitachi Travelstar Z5K500 320GB 5400RPM SATA 3GB/s 8MB Cache 2.5-inch Hard Disk Drive
SKU: HTS545032A7E380
Price: $150.03
0Y30053 - Hitachi Travelstar 5K500.B 320GB 5400RPM SATA 3Gb/s 8MB Cache 2.5-inch Hard Drive
SKU: 0Y30053
Price: $159.03
0A74423 - Hitachi Travelstar 5K500.B 320GB 5400RPM SATA 3Gb/s 8MB Cache 2.5-inch Hard Drive
SKU: 0A74423
Price: $165.79
0A57367 - Hitachi Travelstar 5K320 320GB 5400RPM SATA 3Gb/s 8MB Cache 2.5-inch Hard Drive
SKU: 0A57367
Price: $182.37
0A56417 - Hitachi Travelstar 5K320 320GB 5400RPM SATA 3Gb/s 8MB Cache 2.5-inch Hard Drive
SKU: 0A56417
Price: $182.37
H2IK320854SP - Hitachi Travelstar IDK 320GB 5400RPM SATA 3Gb/s 8MB Cache 2.5-inch Hard Drive
SKU: H2IK320854SP
Price: $183.96
0A70373 - Hitachi Travelstar 5K500.B 320GB 5400RPM SATA 3Gb/s 8MB Cache 2.5-inch Hard Drive
SKU: 0A70373
Price: $189.47
0A56547 - Hitachi Travelstar 5K320 320GB 5400RPM SATA 3Gb/s 8MB Cache 2.5-inch Hard Drive
SKU: 0A56547
Price: $194.37
0A57267 - Hitachi Travelstar 5K320 320GB 5400RPM SATA 3Gb/s 8MB Cache 2.5-inch Hard Drive
SKU: 0A57267
Price: $195.53
0A59587 - Hitachi Travelstar 5K320 320GB 5400RPM SATA 3Gb/s 8MB Cache 2.5-inch Hard Drive
SKU: 0A59587
Price: $195.53
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.