Replacement for ST4101N: Drop-In Alternatives We Stock
Looking for a replacement for the ST4101N (ST4101N - Seagate 100MB SCSI 5.25-inch Hard Drive)? 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 ST4101N
| SKU | ST4101N |
|---|---|
| Product | ST4101N - Seagate 100MB SCSI 5.25-inch Hard Drive |
| Stock status | In Stock |
| Detail page | View ST4101N › |
Drop-in replacements for ST4101N
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.
ST15150WC - Seagate BarraCuda 4.3GB 7200RPM 80 -Pin Ultra- 2 SCSI 3.5-inch Half Height 1.6-inch Hard Drive
SKU: ST15150WC
Price: $63.16
9B0001-126 - Seagate BarraCuda 2.1GB 7200RPM Fast SCSI 50-Pin 512KB Cache (CE) 3.5-inch Hard Drive
SKU: 9B0001-126
Price: $74.09
9L2004-026 - Seagate BarraCuda 18LP 18GB 7200RPM Wide Ultra2 SCSI 80-Pin 1MB Cache (CE) 3.5-inch Hard Drive
SKU: 9L2004-026
Price: $77.05
ST3009-029 - Seagate 36.3GB 15000RPM Ultra160 SCSI Hot Pluggable 3.5-inch Hard Drive
SKU: ST3009-029
Price: $78.16
9X3006-062 - Seagate Cheetah 10K.7 73GB 10000RPM Ultra320 SCSI 8MB Cache 80-Pin 3.5-inch Hard Drive
SKU: 9X3006-062
Price: $82.42
9K8006-038 - Seagate Cheetah 9LP 4.55GB 10000RPM Wide Ultra2 SCSI 80-Pin 1MB Cache (CE) 3.5-inch Hard Drive
SKU: 9K8006-038
Price: $82.42
9L8006-036 - Seagate Cheetah 18LP 18.2GB 10000RPM Wide Ultra2 SCSI 80-Pin 1MB Cache (CE) 3.5-inch Hard Drive
SKU: 9L8006-036
Price: $82.42
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.