Replacement for 61K203910: Drop-In Alternatives We Stock
Looking for a replacement for the 61K203910 (61K203910 - Toshiba 20.4GB 5400RPM ATA-100 512KB Cache 3.5-inch Hard Disk Drive)? Pro Disk Network ships Toshiba 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 61K203910
| SKU | 61K203910 |
|---|---|
| Product | 61K203910 - Toshiba 20.4GB 5400RPM ATA-100 512KB Cache 3.5-inch Hard Disk Drive |
| Current price | $110.82 |
| Stock status | In Stock |
| Detail page | View 61K203910 › |
Drop-in replacements for 61K203910
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.
MK1011GAH - Toshiba MK1011GAH 100 GB 1.8 Plug-in Module Hard Drive - IDE Ultra ATA/100 (ATA-6) - 4200 rpm - 8 MB Buffer
SKU: MK1011GAH
Price: $203.37
61K204262 - Toshiba 20GB 5400RPM ATA-100 2MB Cache 3.5-inch Hard Disk Drive
SKU: 61K204262
Price: $110.82
HDD2174M - Toshiba 40GB 16MB Cache 2.5-inch 5400RPM ATA/100 Hard Disk Drive
SKU: HDD2174M
Price: $113.68
S000104610 - Toshiba 10GB 5400RPM ATA-100 2MB Cache 3.5-inch Hard Disk Drive
SKU: S000104610
Price: $144.58
F000024831 - Toshiba 10GB 5400RPM ATA-100 2MB Cache 3.5-inch Hard Disk Drive
SKU: F000024831
Price: $144.58
P000388780 - Toshiba 40GB 5400RPM ATA-100 8MB Cache 2.5-inch Hard Disk Drive
SKU: P000388780
Price: $146.86
P000461030 - Toshiba 60GB 5400RPM ATA-100 8MB Cache 2.5-inch Hard Disk Drive
SKU: P000461030
Price: $155.70
HDD2191D - Toshiba 80GB 5400RPM Ultra ATA-100 16MB Cache Super Slimline 9.5mm 2.5-Inch Notebook Hard Disk Drive
SKU: HDD2191D
Price: $160.55
HDD2D10D - Toshiba 40GB 5400RPM IDE Ultra ATA-100 8MB Cache 9.5mm 2.5-inch Hard Disk Drive
SKU: HDD2D10D
Price: $167.53
MK2019GAX - Toshiba 20GB 5400RPM ATA-100 16MB Cache 2.5-inch Hard Disk Drive
SKU: MK2019GAX
Price: $169.00
MK4026AX - Toshiba 40GB 5400RPM ATA-100 16MB Cache 2.5-inch Hard Disk Drive
SKU: MK4026AX
Price: $169.82
P000462730 - Toshiba 60GB 5400RPM ATA-100 16MB Cache 2.5-inch Hard Disk Drive
SKU: P000462730
Price: $170.93
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.