Alternative to 877521-B21: Better-Value Equivalents in Stock
Comparing the 877521-B21 (877521-B21 - HP 8TB SAS 12Gb/s Hard Drive) against alternatives? Pro Disk Network stocks 12 similar HP parts that offer comparable performance at different price points. Each option below is in-stock, US-warehoused, and tested-and-certified before ship. Bulk pricing is available on quantities of 5+; B2B procurement can use Net 30 with PO.
About the 877521-B21
| SKU | 877521-B21 |
|---|---|
| Product | 877521-B21 - HP 8TB SAS 12Gb/s Hard Drive |
| Stock status | In Stock |
| Detail page | View 877521-B21 › |
Alternatives to 877521-B21
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.
793135-001 - HP 1.8TB 10000RPM SAS 12Gb/s 2.5-inch Hard Drive for StoreServ 7000
SKU: 793135-001
Price: $166.32
791034-B21 HP 1.8TB 10000RPM SAS 12Gb/s Hot-Swappable 2.5-inch Hard Drive for ProLiant BL420c Server
SKU: 791034-B21
Price: $202.11
791034-S21 - HP 1.8TB 10000RPM 2.5-inch SAS 12GB/s SFF Sc Enterprise 512e Hot-pluggable Hard Drive with Tray
SKU: 791034-S21
Price: $202.11
768789-001 - HP 1.8TB 10000RPM SAS 12GB/s 2.5-inch SFF Sc Enterprise 512e Hot-pluggable Hard Drive with Tray
SKU: 768789-001
Price: $202.11
765879-001 - HP 1.8TB 10000RPM SAS 12GB/s SFF 2.5-inch Sc Enterprise 512e Hot-pluggable Hard Drive with Tray
SKU: 765879-001
Price: $202.11
EG001800JWJNL - HP 1.8TB 10000RPM SAS 12Gb/s Hot-Swappable 2.5-inch Hard Drive
SKU: EG001800JWJNL
Price: $205.26
EG001800JWJNR - HP 1.8TB 10000RPM SAS 12Gb/s Hot-Swappable 2.5-inch Hard Drive
SKU: EG001800JWJNR
Price: $212.63
How we pick alternatives
Every recommendation above was selected using these criteria:
- Spec parity — capacity, speed, port count, and form factor matched within a 10% tolerance
- Price spread — alternatives shown across the price range, so you can pick on budget
- Brand mix — both OEM-equivalent and trusted aftermarket, all certified
- Reliability data — preferred parts have failure rates below 1% in our 18-month return tracking
- In stock today — shipping today, not 4-6 weeks from now
Want a side-by-side spec comparison?
We can prepare a written comparison covering throughput, power draw, form factor and validated compatibility. Email sales@prodisknetwork.com or call +1 (407) 205-8454 — most quotes ship within 4 business hours.