Alternative to 644273-B21: Better-Value Equivalents in Stock
Comparing the 644273-B21 (644273-B21 - HP Microsoft Windows Small Business Server 2011 Premium Add-on License Standard 5 User CAL PC English, French, Italian, German, Spanish) 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 644273-B21
| SKU | 644273-B21 |
|---|---|
| Product | 644273-B21 - HP Microsoft Windows Small Business Server 2011 Premium Add-on License Standard 5 User CAL PC English, French, Italian, German, Spanish |
| Stock status | In Stock |
| Detail page | View 644273-B21 › |
Alternatives to 644273-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.
J9666A - HP Procurve Advanced Services ZL Module with Microsoft Windows Server 2008 R2 Standard
SKU: J9666A
Price: $1,043.37
JG587A - HP MSR Small Survivable Branch Communication MIM Module powered by Microsoft Lync
SKU: JG587A
Price: $1,394.74
730214-019 - HP 14-inch SATA Straight End to Right Angle Cable for ProDesk 400 G1 Small Form Factor Business PC
SKU: 730214-019
Price: $121.05
A7452A - HP StorageWorks MSA1000 for Small Business High Availability Kit
SKU: A7452A
Price: $9,151.24
HP SN962UC#ABA-C3-07 Desktop Workstation - Z210 Xeon E3 Quad-Core 3.30GHz Bus Speed 5.00GT/s 8 MB Cache RAM 8GB 160GB SATA No Optical Local Area Network Capable Microsoft Windows 7 Professional (32-bit) License Only - No OS Installed U.S. English Tower
SKU: SN962UC-ABA-C3-07
Price: $420.25
325526-001 - HP Mini PCI 54G WiFi 802.11b/g Wireless LAN (WLAN) Network Interface Card for Business Nc4000/ Business Nc4000.
SKU: 325526-001
Price: $78.00
486295-001 - HP Battery (primary)for Business 6530b/ Business 6535b Notebook PCs
SKU: 486295-001
Price: $363.03
878364-B21 - HP Premium NVMe 6SFF / 8SFF Bay Kit for ProLiant DL580 Server
SKU: 878364-B21
Price: $630.54
867960-B21 - HP ProLiant DL360 G10 Configure-To-Order (CTO) Premium 10 NVMe Server
SKU: 867960-B21
Price: $1,426.32
867158-B21 - HP Apollo r2600 24 SFF Premium Gen10 Configure-to-Order Chassis Server
SKU: 867158-B21
Price: $3,683.97
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.