WD4005FFBX: Western Digital Red Pro NAS Hard Drive 4TB 7200RPM SATA 256MB Cache 3.5-Inch
MPN: WD4005FFBX|By: Western Digital

In Stockships worldwide
- Condition:
- New (authorized channel)
- Warranty:
- Full manufacturer warranty
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Bulk order? Request volume pricing
Product overview
WD4005FFBX is a Western Digital red pro NAS hard Drive 4TB 7200RPM SATA 256MB cache 3.5-Inch. Vendor-keyed firmware is the usual reason a mechanically identical drive is rejected by the controller, and a 4TB spare is not worth discovering that on. We check the firmware family against your controller before the drive ships.
No price is published here because the market for this part moves week to week; ask and we will give you a current one rather than a stale one.
Featuring
- Capacity
- 4TB
- Cache
- 256MB
- Manufacturer
- Western Digital
Interfaces / Ports
- Rotational Speed
- 7200RPM
- Drive Interface
- SATA
Physical characteristics
- Form Factor
- 3.5-Inch
- Product Type
- Server Hard Drives
- Expedited shipping options are available, with rates confirmed with your quote.
- Purchase orders accepted from qualified institutions.
- Compatibility is validated against your server platform before dispatch. Send us the model and we will confirm support.
These are the 7 facts we can state about WD4005FFBX without inferring anything. Compatibility beyond this is confirmed per platform, on request, before you order.
Where the Western Digital WD4005FFBX is deployed
- Swapping out a failed server hard drive for WD4005FFBX under change control
- Migrating an archive tier off failing older disks
- Growing bulk capacity in an existing disk shelf
Who this part is for
- Procurement replacing drives out of a maintenance contract
- MSPs holding cold spares across a fleet of identical chassis
- Backup and archive teams growing bulk capacity in an existing shelf
What you get ordering this from us
Ordered by part number
WD4005FFBX is what is quoted and WD4005FFBX is what ships; where an alternate code is genuinely the same part we name it rather than swap it silently.
Firmware family matched
A mechanically identical drive with the wrong firmware is rejected by the controller; we check the family, not just the capacity.
Volume pricing
The listed price is per unit; tiered pricing applies at quantity and purchase orders are accepted.
Questions buyers ask about this part
Is WD4005FFBX genuine and is the warranty intact?
Yes. Supplied new and unopened, so the manufacturer warranty and firmware update path stay supported. No grey-market stock and no refurbished units sold as new.
Will WD4005FFBX work in my server?
Send the server model or the shelf it is going into. Vendor-keyed firmware is the usual reason an identical-looking drive is rejected, so we check that alongside interface and form factor.
Do you accept purchase orders and quote at volume?
Yes, POs from qualified organisations, net terms on approval, and banded pricing once the quantity is worth banding. Send the number and we will price it properly.
Compare other Server Hard Drives we stock
| Model | Brand | Key spec | Availability | From |
|---|---|---|---|---|
| Seagate Exos X18 12TB 7200RPM SAS 12Gb/s 512e 3.5-inch Enterprise Hard Drive | Seagate | Product Line: Exos | In Stock | $280 |
| Toshiba MG09 16TB 7200RPM SATA 6Gb/s 512e 3.5-inch Enterprise Hard Drive | Toshiba | Product Line: MG Series | In Stock | $335 |
| Hitachi HGST Ultrastar He10 8TB 7200 RPM 12Gb/s SAS 512e 3.5"-inch Enterprise Hard Drive | Hitachi | Product Line: HGST Ultrastar He10 | In Stock | $190 |
| Dell 4TB 7200RPM 12Gb/s SAS 512e 3.5-inch Hot-Plug Nearline PowerEdge Hard Drive | Dell Technologies | Product Line: PowerEdge Nearline SAS | In Stock | $155 |
| HPE 4TB 7200RPM 12Gb/s SAS 512e 3.5-inch LFF Smart Carrier Midline ProLiant Hard Drive | HPE | Product Line: ProLiant Midline SAS | In Stock | $155 |
| HP 2TB 7200RPM 6Gb/s SAS 512n 3.5-inch LFF Smart Carrier Midline ProLiant Gen8 Hard Drive | HP | Product Line: ProLiant Gen8 Midline SAS | In Stock | $80 |
Browse all Server Hard Drives or everything we stock from Western Digital.
Specifying a system, not just the part?
Bulk capacity usually sits behind the flash tier that feeds a training cluster rather than under it.
