HPE 781518-B21 1.2TB 12G SAS 10K SFF SC Enterprise Hard Drive
The HPE 781518-B21 is a 1.2TB Enterprise SAS drive for HPE ProLiant servers: 10,000 RPM, 12Gb/s SAS, installed in HPE’s SmartCarrier (SC) hot-plug tray. One of the most widely used ProLiant drives of the Gen9 era, it fits SFF bays in Gen8, Gen9 and Gen10 servers. The spare part number is 781578-001.
Specifications
| Brand | HPE (Hewlett Packard Enterprise) |
|---|---|
| Option part number | 781518-B21 |
| Spare part number | 781578-001 |
| Capacity | 1.2TB |
| Interface | SAS 12Gb/s |
| Rotational speed | 10,000 RPM (10K) |
| Form factor | 2.5″ small form factor (SFF) |
| Carrier | HPE SmartCarrier (SC), hot-plug |
| Workload class | Enterprise, Digitally Signed firmware |
| Condition | New |
Equivalent and alternate part numbers
Searching for a different number on your label? These all refer to this drive family:
- Option: 781518-B21
- Spare: 781578-001
- Assembly: 781581-003, 768788-004, 781514-002, 796365-004
- Drive models: EG1200JEHMC, EG1200JEMDA, EG1200JETKC, EG001200JWJNQ, EG001200JWFUT, EG001200JWFVA
Compatible HPE servers
Fits any HPE server with 2.5″ SFF SmartCarrier (SC) drive bays, including:
- ProLiant DL: DL20 Gen9/Gen10, DL160 Gen8/Gen9/Gen10, DL180 Gen9/Gen10, DL325 Gen10, DL360 Gen8/Gen9/Gen10, DL380 Gen8/Gen9/Gen10, DL385 Gen10, DL388 Gen9, DL560 Gen8/Gen9/Gen10, DL580 Gen8/Gen9/Gen10, plus DL325 and DL385 Gen10 Plus v1
- ProLiant ML: ML30 Gen9/Gen10, ML110 Gen9/Gen10, ML150 Gen9, ML350 Gen8/Gen9/Gen10
- ProLiant BL blades: BL460c Gen8/Gen9/Gen10, BL660c Gen8/Gen9
- Apollo / XL: XL170r Gen9/Gen10, XL190r Gen9/Gen10, XL230a Gen9
- Synergy: 480 Gen9/Gen10, 660 Gen9/Gen10
Have a DL360 or DL380 Gen10 Plus, a Gen10 Plus v2, Gen11 or Gen12 server? Those use HPE’s newer Basic Carrier (BC) tray. Choose the HPE P28586-B21 1.2TB SFF BC instead.
Shipping
- Ships from our US warehouses
- Orders placed by 3 PM Eastern ship the same business day
- Free ground shipping (3–5 business days) to all US addresses
- FedEx 2Day Air available at checkout
Frequently asked questions
Does it include a drive tray?
Yes. It comes installed in an HPE SmartCarrier (SC) hot-plug tray, ready for an SFF drive bay.
Is 781518-B21 the same as 781578-001?
Yes. 781518-B21 is HPE’s option (retail) number and 781578-001 is the spare (service) number for the same 1.2TB 10K SAS drive.
How is it different from the 872479-B21?
Both are 1.2TB 10K 12G SAS SFF drives in SC trays. The 781518-B21 is the earlier Enterprise version launched with Gen9; the 872479-B21 is the later Mission Critical version. Both fit the same Gen8, Gen9 and Gen10 bays.
Will it work in a Gen11 server?
No. Gen11, Gen12, Gen10 Plus v2 and the DL360/DL380 Gen10 Plus use Basic Carrier (BC) trays, which this SmartCarrier drive does not fit.
What is your shipping cutoff?
Orders placed by 3 PM Eastern (Monday–Friday) ship the same business day. Need a later cutoff? Contact us at sales@techontime.net or 303-222-8038, and we’ll do our best on a case-by-case basis.
Not sure it fits your system?
Send us your server or system model and the label of your current part at sales@techontime.net or call 303-222-8038, and we’ll confirm before you order.






There are no reviews yet.