785069-B21: HPE 900GB SAS 12G Enterprise 10K SFF (2.5in) SC Enterprise HDD
Also listed as: 785412-001, 781518-001, EG0900JFCKB, ST900MM0008 · made by Seagate
The HPE 785069-B21 is an enterprise 900GB 10K RPM 12Gb/s SAS 2.5-inch hard disk drive mounted in an HPE Smart Carrier. Designed for HPE ProLiant Gen9 servers, it provides a solid balance of high storage density and 10,000 RPM rotational performance for enterprise database and virtualization storage arrays.
Specifications
| Part number | 785069-B21 |
|---|---|
| Brand | HPE |
| Made by | Seagate |
| Type | Hard drives |
| Other numbers | 785412-001, 781518-001, EG0900JFCKB, ST900MM0008 |
| Status | end of sale |
| Capacity | 900GB |
| Interface | 12Gb/s SAS dual-port |
| Rotational speed | 10000 RPM |
| Form factor | 2.5-inch Small Form Factor (SFF) |
| Carrier type | HPE SmartDrive Carrier (SC) |
| Workload | Enterprise mission-critical |
About the 785069-B21
785069-B21 provides 900GB of enterprise 10K RPM storage in a 2.5-inch small form factor Smart Carrier for HPE ProLiant Gen9 servers. Incorporating dual-port 12Gb/s SAS connectivity and Seagate enterprise-grade platters, it offers high storage density and enterprise endurance for multi-spindle RAID arrays.
Compatibility
Compatible with all HPE ProLiant Gen9 servers supporting 2.5-inch hot-swap SAS drive bays, including DL380 Gen9, DL360 Gen9, DL160 Gen9, DL180 Gen9, DL120 Gen9, DL20 Gen9, DL560 Gen9, DL580 Gen9, ML350 Gen9, ML110 Gen9, ML30 Gen9, Apollo 4200 Gen9, and SimpliVity 380 Gen9.
How to identify a genuine unit
Small form factor 2.5-inch drive enclosed in a black Smart Carrier with blue release tab and LED activity indicator. Label indicates option part number 785069-B21, spare part number 785412-001, assembly part number 781518-001, and model number EG0900JFCKB.
Buying used
Inspect the carrier frame for physical distortion and ensure the locking handle snaps securely into the drive cage. Use HPE Smart Storage Administrator or smartctl to review accumulated power-on hours and verify zero bad sectors or uncorrectable read errors.
Reference prices (last 12 months, updated 2026-10-27)
Used: USD 24 (1 sighting, Oct 2026)
All sightings
| Seller | Condition | Price | Note | Seen |
|---|---|---|---|---|
| ebay.com | used | USD 24 | Tested working 900GB 10K SAS SFF SC HDD with caddy | 2026-10-27 |
Prices seen on public listings on the dates shown, before tax and shipping. Not an offer.
Fits these models
- HPE ProLiant DL380 Gen9
- HPE ProLiant DL360 Gen9
- HPE ProLiant DL160 Gen9
- HPE ProLiant DL180 Gen9
- HPE ProLiant DL120 Gen9
- HPE ProLiant DL20 Gen9
- HPE ProLiant DL560 Gen9
- HPE ProLiant DL580 Gen9
- HPE ProLiant ML350 Gen9
- HPE ProLiant ML110 Gen9
- HPE ProLiant ML30 Gen9
- HPE Apollo 4200 Gen9
- HPE SimpliVity 380 Gen9
Check compatibility with HPE
Before you buy, confirm the exact configuration against the vendor's own lists: firmware levels, operating systems, adapters and optics that HPE has tested with the HPE 785069-B21.
- Compatibility HPE SPOCK (storage, SAN and host compatibility)
- Part lookup HPE PartSurfer (spare and option part numbers)
- Support HPE Support Center
Equivalent part numbers
- Seagate ST900MM0008 Seagate Enterprise Performance 10K 900GB SAS 12Gb/s
- Dell
400-AJPD Dell 1.2TB 10K RPM SAS 12Gb/s 2.5-inch Hot-Plug Hard Drive Dell 900GB 10K SAS 12Gbps 2.5in Drive
FAQ
What transfer rates does 785069-B21 support?
It supports native 12Gb/s SAS data transfer rates and negotiates down to 6Gb/s when connected to older controllers.
Can 785069-B21 be mixed with SATA SSDs in the same RAID array?
No, SAS HDDs and SATA SSDs cannot be mixed within the same logical RAID volume, though they can coexist in different arrays on the same controller.
Buying or selling 785069-B21?
New, refurbished or used. Tell us the quantity and condition and we connect you with a vetted reseller in your region, usually within one working day.
Sources
- HPE ProLiant DL380 Gen9 Server QuickSpecs - Core Options, checked 2026-10-27