Alternative to 391690-B21: Better-Value Equivalents in Stock
Comparing the 391690-B21 (391690-B21 - HP StorageWorks Enterprise File Services M100 WAN Accelerator Manager License) 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 391690-B21
| SKU | 391690-B21 |
|---|---|
| Product | 391690-B21 - HP StorageWorks Enterprise File Services M100 WAN Accelerator Manager License |
| Stock status | In Stock |
| Detail page | View 391690-B21 › |
Alternatives to 391690-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.
AE358A - HP StorageWorks DL320-M25 2.93GHz 1U Rack-Mountable WAN Accelerator Manager
SKU: AE358A
Price: $405.89
507151-001 - HP StorageWorks 160GB I/O Accelerator Board for BladeSystem c-Class
SKU: 507151-001
Price: $657.89
AJ876A - HP StorageWorks 80GB I/O PCI Express Accelerator for BL460c G1 Series Blade System
SKU: AJ876A
Price: $1,316.83
AG784A - HP Quad-Ports Virtualization Services Platform Data Path Module for StorageWorks SAN
SKU: AG784A
Price: $955.59
AG781B - HP StorageWorks SAN Virtualization Services Platform Hardware Bundle
SKU: AG781B
Price: $1,878.95
480240-001 - HP Interface Manager Board for StorageWorks ESL 630e SDLT Tape Library
SKU: 480240-001
Price: $6,263.16
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.