Replacement for 9AH439-020: Drop-In Alternatives We Stock
Looking for a replacement for the 9AH439-020 (9AH439-020 - HP Seagate Momentus 4200.2 100GB 4200RPM ATA-100 8MB Cache 2.5-inch Hard Drive)? Pro Disk Network ships HP 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 9AH439-020
| SKU | 9AH439-020 |
|---|---|
| Product | 9AH439-020 - HP Seagate Momentus 4200.2 100GB 4200RPM ATA-100 8MB Cache 2.5-inch Hard Drive |
| Current price | $189.47 |
| Stock status | In Stock |
| Detail page | View 9AH439-020 › |
Drop-in replacements for 9AH439-020
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.
9W3233-020 - HP Seagate Momentus 5400.2 80GB 5400RPM ATA-100 8MB Cache 2.5-inch Hard Drive
SKU: 9W3233-020
Price: $369.84
454671-001 - HP 100GB 4200RPM IDE Ultra ATA-100 8MB Cache 1.8-inch Embedded Mobile Hard Drive
SKU: 454671-001
Price: $149.87
451267-001 - HP 100GB 4200RPM IDE Ultra ATA-100 8MB Cache 1.8-inch Embedded Mobile Hard Drive
SKU: 451267-001
Price: $181.21
436860R-001 - HP 100GB 4200RPM IDE Ultra ATA-100 8MB Cache 1.8-inch Embedded Mobile Hard Drive
SKU: 436860R-001
Price: $270.80
374730R-020 - HP 20GB 4200RPM Ultra ATA-100 2.5-inch Hard Drive for Notebook PCs
SKU: 374730R-020
Price: $556.74
374730-020 - HP 20GB 4200RPM Ultra ATA-100 2.5-inch Hard Drive for Notebook PCs
SKU: 374730-020
Price: $685.76
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.