Replacement for 3R-A0857-AA: Drop-In Alternatives We Stock
Looking for a replacement for the 3R-A0857-AA (3R-A0857-AA - Compaq 9.1GB 10000RPM Ultra-320 SCSI 80-Pin 3.5-inch Hard Drive)? Pro Disk Network ships 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 3R-A0857-AA
| SKU | 3R-A0857-AA |
|---|---|
| Product | 3R-A0857-AA - Compaq 9.1GB 10000RPM Ultra-320 SCSI 80-Pin 3.5-inch Hard Drive |
| Current price | $182.37 |
| Stock status | In Stock |
| Detail page | View 3R-A0857-AA › |
Drop-in replacements for 3R-A0857-AA
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.
BD07286382 - Compaq 72GB 10000RPM Ultra-320 SCSI 80-Pin 3.5-inch Internal Hard Dive
SKU: BD07286382
Price: $113.55
365700-001 - HP / Compaq 36.4GB 15000RPM Ultra-320 SCSI Hot-Swappable 80-Pin 3.5-inch Low Voltage Differential (LVD) Hard Drive
SKU: 365700-001
Price: $235.79
3R-A4139-AA - Compaq 18.2GB 15000RPM Ultra-320 SCSI Hot Swap LVD 80-Pin 3.5-inch Hard Drive
SKU: 3R-A4139-AA
Price: $259.37
180334-001 - Compaq 18.2GB 15000RPM Ultra-320 SCSI 68-Pin 3.5-inch Hard Drive
SKU: 180334-001
Price: $473.68
336366-001 - Compaq 9.1GB 10000RPM Ultra-160 SCSI Hot-Swappable 80-Pin 3.5-Inch Hard Drive
SKU: 336366-001
Price: $73.68
232547-001 - Compaq 36.4GB 10000RPM 3.5-inch Ultra-160 SCSI 80-Pin Hot-Pluggable Hard Drive
SKU: 232547-001
Price: $87.18
180726-001 - Compaq 9.1GB 10000RPM Ultra-160 SCSI Hot-Swappable 80-Pin 3.5-Inch Hard Drive for ProLiant Server
SKU: 180726-001
Price: $128.42
3R-A3059-AA - Compaq 36.4GB 10000RPM Ultra-160 SCSI Hot Swap LVD 80-Pin 3.5-inch Hard Drive
SKU: 3R-A3059-AA
Price: $128.95
3R-A0858-AA - Compaq 18.2GB 10000RPM Ultra-160 SCSI Hot Swap LVD 80-Pin 3.5-inch Hard Drive
SKU: 3R-A0858-AA
Price: $143.39
304866-001 - HP / Compaq 9.1GB 10000RPM Ultra-160 SCSI Hot-Swappable 80-Pin 3.5-Inch Hard Drive
SKU: 304866-001
Price: $157.07
522245-001 - Compaq 8.8GB 10000RPM Ultra Wide SCSI 80-Pin 3.5-inch Hard Drive
SKU: 522245-001
Price: $199.63
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.