881781-B21: HPE 12TB 7200RPM SAS 3.5-Inch Hard Drive
MPN: 881781-B21|By: HPE
Starting from
$470
Indicative. Final pricing is confirmed with your quote.
In Stockships worldwide
- Condition:
- New (authorized channel)
- Warranty:
- Full manufacturer warranty
Prefer your own inbox? Email us about this part
Bulk order? Request volume pricing
Authorized & warrantied
Sourced through authorized distribution, with the full manufacturer warranty.
Compatibility checked
Validated against your server platform before dispatch.
Delivery & lead time
Confirmed with your quote, including expedited freight where available.
Business & public sector
POs, net terms and volume pricing for qualified organizations, government and edu.
Product overview
The HPE 12TB 7200RPM SAS 3.5-Inch hard Drive is supplied under part number 881781-B21. Rebuild time scales with capacity, so a large drive in a parity group is a longer window of exposure. This one spins at 7200RPM. Tell us the RAID level and group size and we will say plainly whether the geometry still makes sense.
If you are buying a spare rather than a replacement, say so, and we will match the firmware family to what is already in the shelf.
Specifications
General
- Manufacturer part number
- 881781-B21
- Product Type
- Server Hard Drives
- Manufacturer
- HPE
Technical specifications
- Capacity
- 12TB
- Rotational Speed
- 7200RPM
Interfaces & connectivity
- Drive Interface
- SAS
Physical
- Form Factor
- 3.5-Inch
Published specifications for 881781-B21. Anything not listed here we will confirm against the manufacturer's documentation before quoting, because we would rather answer the question than let you assume.
Where the HPE 881781-B21 is deployed
- Like-for-like replacement of 881781-B21 in an existing system
- Holding a firmware-matched cold spare per chassis family
- Growing bulk capacity in an existing disk shelf
Who this part is for
- Teams standardising a mixed drive estate onto one firmware family
- Backup and archive teams growing bulk capacity in an existing shelf
- IT teams swapping a failed drive in a live parity group
What you get ordering this from us
Ordered by part number
881781-B21 is what is quoted and 881781-B21 is what ships; where an alternate code is genuinely the same part we name it rather than swap it silently.
Volume pricing
The listed price is per unit; tiered pricing applies at quantity and purchase orders are accepted.
Answered by a human
A quote comes back with the reasoning attached, including the cases where we think you should buy something else.
Questions buyers ask about this part
Is 881781-B21 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 881781-B21 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. We quote against a purchase order and hold the price for the quote period, with tiered rates at quantity. Net terms are available once the account is approved.
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 | Capacity: 12TB | In Stock | $280 |
| WD Ultrastar DC HC550 16TB 7200RPM SATA 6Gb/s 512e 3.5-inch Data Center Hard Drive | Western Digital | Capacity: 16TB | In Stock | $345 |
| Toshiba MG09 16TB 7200RPM SATA 6Gb/s 512e 3.5-inch Enterprise Hard Drive | Toshiba | Capacity: 16TB | In Stock | $335 |
| Hitachi HGST Ultrastar He10 8TB 7200 RPM 12Gb/s SAS 512e 3.5"-inch Enterprise Hard Drive | Hitachi | Capacity: 8TB | In Stock | $190 |
| Dell 4TB 7200RPM 12Gb/s SAS 512e 3.5-inch Hot-Plug Nearline PowerEdge Hard Drive | Dell Technologies | Capacity: 4TB | In Stock | $155 |
| HP 2TB 7200RPM 6Gb/s SAS 512n 3.5-inch LFF Smart Carrier Midline ProLiant Gen8 Hard Drive | HP | Capacity: 2TB | In Stock | $80 |
Browse all Server Hard Drives or everything we stock from HPE.
Specifying a system, not just the part?
Bulk capacity usually sits behind the flash tier that feeds a training cluster rather than under it.