Alternative to 571939-B21: Better-Value Equivalents in Stock
Comparing the 571939-B21 (571939-B21 - HP Citrix Essential XenServer Enterprise with 1 Year 9x5 Support No Media License Standard 1 Server 1Year PC) 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 571939-B21
| SKU | 571939-B21 |
|---|---|
| Product | 571939-B21 - HP Citrix Essential XenServer Enterprise with 1 Year 9x5 Support No Media License Standard 1 Server 1Year PC |
| Stock status | In Stock |
| Detail page | View 571939-B21 › |
Alternatives to 571939-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.
DF201-69001 - HP for Media Center M400y / Media Center M480n Video Graphics Card
SKU: DF201-69001
Price: $82.42
DM163-69001 - HP Radeon 9200For Media Center M400y / Media Center M470n Video Graphics Card
SKU: DM163-69001
Price: $144.41
KK192AA - HP Pocket Media Drive Adapter Kit for Xb4 Notebook Media Docking Station
SKU: KK192AA
Price: $271.70
459864-B21 - HP Virtual Connect Enterprise Manager for ProLiant BL-c7000 with 1 Year 24x7 Software Support License 1 Enclosure Standard PC
SKU: 459864-B21
Price: $1,229.63
T9094AAE - HP Virtual Connect Enterprise Manager V.1.10 for ProLiant BL-c7000 With 1 Year 24x7 Software Support - License - 1 Enclosure
SKU: T9094AAE
Price: $8,516.38
RM1-9579 - HP Media Level Sensor for LaserJet Enterprise M806 / M830 / M855 / M880 Printer
SKU: RM1-9579
Price: $68.54
RM1-9579-000 - HP Media Level Sensor for LaserJet Enterprise M806 / M830 / M855 / M880 Printer
SKU: RM1-9579-000
Price: $68.54
RM1-9579-000CN - HP Media Level Sensor for LaserJet Enterprise M806 / M830 / M855 / M880 Printer
SKU: RM1-9579-000CN
Price: $68.54
CF084A - HP 500-sheet Paper and Heavy Media Tray for LaserJet Enterprise M551 Series Printers
SKU: CF084A
Price: $485.53
CF084-67902 - HP 500-Sheet Paper and Heavy Media Tray for LaserJet Enterprise M551 Series Printers
SKU: CF084-67902
Price: $583.12
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.