Replacement for ST500LM003: Drop-In Alternatives We Stock
Looking for a replacement for the ST500LM003 (ST500LM003 Seagate 500GB 5400RPM USB 2.5-Inch)? Pro Disk Network ships Seagate 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 ST500LM003
| SKU | ST500LM003 |
|---|---|
| Product | ST500LM003 Seagate 500GB 5400RPM USB 2.5-Inch |
| Stock status | In Stock |
| Detail page | View ST500LM003 › |
Drop-in replacements for ST500LM003
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.
STBF500101 - Seagate 500GB 5400RPM GoFlex Satellite Mobile Wireless Storage Wi-Fi USB 3.0 2.5-inch External Hard Disk
SKU: STBF500101
Price: $344.84
ST9500325ASG - Seagate Seagate Momentus 5400.6 500GB 5400RPM SATA 3Gb/s 8MB Cache 2.5-inch Hot Swappable Hard Drive
SKU: ST9500325ASG
Price: $143.39
ST1000LM025 - Seagate Momentus 1TB 5400RPM USB 3.0 8MB Cache 2.5-inch Hard Drive
SKU: ST1000LM025
Price: $810.53
LAC9000491 - Seagate Rugged Thunderbolt 500GB USB 3.0 External Solid State Drive
SKU: LAC9000491
Price: $415.09
ST500LT012 - Seagate Momentus Thin 500GB 5400RPM 2.5-inch 7MM 16MB Cache SATA 3Gb/s NCQ Laptop Hard Drive
SKU: ST500LT012
Price: $68.42
ST500LM000 - Seagate Laptop 500GB 5400RPM SATA 6Gb/s 64MB Cache 8GB Multi-Level-Cell NAND 2.5-inch Hybrid Hard Drive
SKU: ST500LM000
Price: $68.42
ST500LX025 - Seagate 500GB 5400RPM SATA 6Gb/s 128MB Cache 2.5-inch Solid State Drive
SKU: ST500LX025
Price: $68.42
ST500LM012 - Seagate Momentus 500GB 5400RPM SATA 3Gb/s 8MB Cache 2.5-inch Hard Drive
SKU: ST500LM012
Price: $110.53
ST500LM033 - Seagate BarraCuda 500GB 5400RPM SATA 6Gb/s 128MB Cache 2.5-inch Hard Drive
SKU: ST500LM033
Price: $113.68
1DG142-540 - Seagate Momentus Thin 500GB 5400RPM SATA 3Gb/s 16MB Cache (CE) 2.5-inch Hard Drive
SKU: 1DG142-540
Price: $131.58
ST500LT032 - Seagate MobileMax 500GB 5400RPM SATA 6Gb/s 16MB Cache 2.5-inch Hard Drive
SKU: ST500LT032
Price: $145.26
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.