Replacement for 0A77543: Drop-In Alternatives We Stock
Looking for a replacement for the 0A77543 (0A77543 - Hitachi 320GB SATA 2.5-inch 5400RPM 9.5mm Laptop Hard Drive)? Pro Disk Network ships Hitachi drop-in replacements and equivalent modern parts from US inventory. Every alternate below is in-stock today with same-day shipping for orders placed before 2pm ET. If your unit is still under warranty, contact our engineering team — we offer cross-shipping for B2B customers on Net 30 terms.
About the 0A77543
| SKU | 0A77543 |
|---|---|
| Product | 0A77543 - Hitachi 320GB SATA 2.5-inch 5400RPM 9.5mm Laptop Hard Drive |
| Current price | $296.30 |
| Stock status | In Stock |
| Detail page | View 0A77543 › |
Drop-in replacements for 0A77543
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.
HTS545032A7E660 - Hitachi 320GB SATA 2.5-inch 5400RPM 7mm Laptop Hard Drive
SKU: HTS545032A7E660
Price: $129.66
HTS545032A7E680 - Hitachi Travelstar Z5K500 320GB 5400RPM SATA 6GB/s 8MB Cache 2.5-inch Hard Disk Drive
SKU: HTS545032A7E680
Price: $74.17
0A55637 - Hitachi Travelstar 5K320 320GB 5400RPM SATA 1.5Gb/s 8MB Cache 2.5-inch Hard Drive
SKU: 0A55637
Price: $86.72
0A38963 - Hitachi CinemaStar 5K320 320GB 5400RPM SATA 3Gb/s 8MB Cache 3.5-inch Hard Drive
SKU: 0A38963
Price: $111.46
0A56407 - Hitachi Travelstar 5K320 320GB 5400RPM SATA 1.5Gb/s 8MB Cache 2.5-inch Hard Drive
SKU: 0A56407
Price: $122.37
0A58617 - Hitachi CinemaStar C5K320 320GB 5400RPM SATA 1.5Gb/s 8MB Cache 2.5-inch Hard Drive
SKU: 0A58617
Price: $122.37
0J13113 - Hitachi Travelstar Z5K320 320GB 5400RPM SATA 3Gb/s 8MB Cache 2.5-inch Hard Drive
SKU: 0J13113
Price: $131.32
0A55562 - Hitachi Travelstar 5K320 320GB 5400RPM SATA 1.5Gb/s 8MB Cache 2.5-inch Hard Drive
SKU: 0A55562
Price: $134.87
How we pick replacements
Every recommendation above was selected using these criteria:
- Drop-in compatibility — same form factor (2.5"/3.5", PCIe slot, SFP port, etc.), so it fits the original chassis without modification
- Equivalent or better performance — matched on RPM/IOPS/speed/throughput, never downgraded
- Same-brand-preferred — we list the OEM-equivalent first when available, then trusted aftermarket
- Warranty coverage — 90-day Pro Disk warranty on every part, with 1-year option for B2B
- In stock today — never recommend a part that is on backorder
Need help confirming compatibility?
Our engineers validate every replacement against your specific server, switch, or chassis model before shipment. Email sales@prodisknetwork.com with your platform model (e.g., Dell PowerEdge R740, HP DL380 Gen10, Cisco Catalyst 9300) and we will confirm the exact part number that drops into your hardware.