Replacement for A4909A: Drop-In Alternatives We Stock
Looking for a replacement for the A4909A (A4909A - HP 18GB 7200RPM SCSI-2 Fast Wide Differential Hot-Pluggable 3.5-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 A4909A
| SKU | A4909A |
|---|---|
| Product | A4909A - HP 18GB 7200RPM SCSI-2 Fast Wide Differential Hot-Pluggable 3.5-inch Hard Drive |
| Current price | $1,008.75 |
| Stock status | In Stock |
| Detail page | View A4909A › |
Drop-in replacements for A4909A
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.
A5286-60751 - HP 18GB 7200RPM Fast Wide Differential SCSI Single-Ended Hot-Pluggable 80-Pin 3.5-inch Hard Drive
SKU: A5286-60751
Price: $401.92
A5286-69751 - HP 18GB 7200RPM Fast Wide Differential SCSI Single-Ended Hot-Pluggable 80-Pin 3.5-inch Hard Drive
SKU: A5286-69751
Price: $401.92
HP A5286A/PSI 18GB 7200RPM Fast Wide Differential SCSI Single-Ended Hot-Pluggable 80-Pin 3.5-inch Hard Drive
SKU: A5286A-PSI
Price: $407.47
A4909-69002U - HP 18GB 7200RPM SCSI-2 Fast Wide Differential Hot-Pluggable 3.5-inch Hard Drive
SKU: A4909-69002U
Price: $500.58
A5286-60050 - HP 18GB 7200RPM Fast Wide Differential SCSI Single-Ended Hot-Pluggable 80-Pin 3.5-inch Hard Drive
SKU: A5286-60050
Price: $503.09
A4909AR - HP 18GB 7200RPM SCSI-2 Fast Wide Differential Hot-Pluggable 3.5-inch Hard Drive
SKU: A4909AR
Price: $1,001.99
A4909-67002 - HP 18GB 7200RPM SCSI-2 Fast Wide Differential Hot-Pluggable 3.5-inch Hard Drive
SKU: A4909-67002
Price: $1,001.99
A4909-69001 - HP 18GB 7200RPM SCSI-2 Fast Wide Differential Hot-Pluggable 3.5-inch Hard Drive
SKU: A4909-69001
Price: $1,027.42
A4909-69002 - HP 18GB 7200RPM SCSI-2 Fast Wide Differential Hot-Pluggable 3.5-inch Hard Drive
SKU: A4909-69002
Price: $1,027.42
A4909-64001 - HP 18GB 7200RPM SCSI-2 Fast Wide Differential Hot-Pluggable 3.5-inch Hard Drive
SKU: A4909-64001
Price: $1,036.76
A4909-67007 - HP 18GB 7200RPM SCSI-2 Fast Wide Differential Hot-Pluggable 3.5-inch Hard Drive
SKU: A4909-67007
Price: $1,217.50
A5490-67001 - HP 18GB 7200RPM Fast Wide Differential SCSI 68-Pin 3.5-inch Hard Drive
SKU: A5490-67001
Price: $727.03
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.