Replacement for ST3750840A: Drop-In Alternatives We Stock
Looking for a replacement for the ST3750840A (ST3750840A - Seagate BarraCuda 7200.1 750GB 7200RPM ATA-100 8MB Cache 3.5-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 ST3750840A
| SKU | ST3750840A |
|---|---|
| Product | ST3750840A - Seagate BarraCuda 7200.1 750GB 7200RPM ATA-100 8MB Cache 3.5-inch Hard Drive |
| Current price | $316.84 |
| Stock status | In Stock |
| Detail page | View ST3750840A › |
Drop-in replacements for ST3750840A
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.
9BJ038-500 - Seagate BarraCuda 7200.1 750GB 7200RPM ATA-100 8MB Cache 3.5-inch Hard Drive
SKU: 9BJ038-500
Price: $464.87
9BJ038-065 - Seagate BarraCuda 7200.1 750GB 7200RPM ATA-100 8MB Cache 3.5-inch Hard Drive
SKU: 9BJ038-065
Price: $593.25
9W2083-307 - Seagate Seagate Barracuda 7200.7 Plus 120GB 7200RPM IDE Ultra ATA/100 (ATA-6) 8MB Cache 3.5-inch Hard Drive
SKU: 9W2083-307
Price: $153.67
9R3005-031 - Seagate BarraCuda ATA III 15GB 7200RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache (CE) 3.5-inch Hard Drive
SKU: 9R3005-031
Price: $82.42
9T6006-087 - Seagate BarraCuda ATA IV 80GB 7200RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache (CE) 3.5-inch Hard Drive
SKU: 9T6006-087
Price: $91.20
9R3005-030 - Seagate BarraCuda ATA III 15GB 7200RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache (CE) 3.5-inch Hard Drive
SKU: 9R3005-030
Price: $144.07
9R3005-038 - Seagate BarraCuda ATA III 15GB 7200RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache (CE) 3.5-inch Hard Drive
SKU: 9R3005-038
Price: $144.07
9R3005-076 - Seagate BarraCuda ATA III 15GB 7200RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache (CE) 3.5-inch Hard Drive
SKU: 9R3005-076
Price: $144.07
9T6006-733 - Seagate BarraCuda ATA IV 80GB 7200RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache (CE) 3.5-inch Hard Drive
SKU: 9T6006-733
Price: $159.53
9T6006-040 - Seagate BarraCuda ATA IV 80GB 7200RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache (CE) 3.5-inch Hard Drive
SKU: 9T6006-040
Price: $310.63
9T6006-103 - Seagate BarraCuda ATA IV 80GB 7200RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache (CE) 3.5-inch Hard Drive
SKU: 9T6006-103
Price: $313.76
ST3750840NA - Seagate 750GB 7200RPM IDE Ultra ATA/100 (ATA-6) 8MB Cache 3.5-inch Hard Drive
SKU: ST3750840NA
Price: $402.12
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.