Alternative to 0B31878: Better-Value Equivalents in Stock
Comparing the 0B31878 (0B31878 - Hitachi 1.8TB 10000RPM SAS 6Gb/s 2.5-inch Hard Drive with Tray) against alternatives? Pro Disk Network stocks 12 similar Hitachi 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 0B31878
| SKU | 0B31878 |
|---|---|
| Product | 0B31878 - Hitachi 1.8TB 10000RPM SAS 6Gb/s 2.5-inch Hard Drive with Tray |
| Current price | $636.22 |
| Stock status | In Stock |
| Detail page | View 0B31878 › |
Alternatives to 0B31878
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.
5541893-A - Hitachi 146GB 15000RPM SAS 6Gb/s Hot-Swappable 2.5-inch Dual Port Hard Drive with Tray
SKU: 5541893-A
Price: $155.79
3272219-C - Hitachi 146GB 10000RPM Fibre Channel 3.5-inch Hard Drive with Tray for AMS200
SKU: 3272219-C
Price: $80.09
5524269-D - Hitachi 146GB 10000RPM Fibre Channel 2Gb/s 3.5-inch Hard Drive with Tray
SKU: 5524269-D
Price: $117.89
R2F-J300FC - Hitachi 300GB 10000RPM Fibre Channel 2Gb/s 16MB Cache 3.5-inch Hard Drive with Tray
SKU: R2F-J300FC
Price: $123.79
HUC106045CSS600 - Hitachi Ultrastar C10K600 450GB 10000RPM SAS 6Gb/s 64MB Cache 2.5-inch Hard Drive
SKU: HUC106045CSS600
Price: $68.42
HUC109090CSS600 - Hitachi Ultrastar C10K900 900GB 10000RPM SAS 6Gb/s SFF 2.5-inch Hard Drive
SKU: HUC109090CSS600
Price: $68.42
0B26017 - Hitachi Ultrastar C10K900 600GB 10000RPM SAS 6GB/s 64MB Cache 2.5-inch Hard Drive
SKU: 0B26017
Price: $73.68
0B24181 - Hitachi Ultrastar C10K300 300GB 10000RPM SAS 6GB/s 64MB Cache 2.5-inch Hard Drive
SKU: 0B24181
Price: $96.84
5541890-A HP / Hitachi 300GB 10000RPM SAS 6Gb/s 2.5-inch Dual Port Hard Drive
SKU: 5541890-A
Price: $96.84
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.