Alternative to 500666-B21: Better-Value Equivalents in Stock
Comparing the 500666-B21 (500666-B21 - HP DDR3 16GB RAM Memory) 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 500666-B21
| SKU | 500666-B21 |
|---|---|
| Product | 500666-B21 - HP DDR3 16GB RAM Memory |
| Current price | $65.26 |
| Stock status | In Stock |
| Detail page | View 500666-B21 › |
Alternatives to 500666-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.
500666-B23 - HP 16GB DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM Quad Rank Memory Module
SKU: 500666-B23
Price: $109.57
500666-S21 - HP 16GB DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM 1.35V Low Voltage Quad Rank Memory Module
SKU: 500666-S21
Price: $109.57
500666-S21-RF - HP 16GB PC3-8500 DDR3-1066MHz ECC Registered CL7 RDIMM Quad-Rank Memory Module
SKU: 500666-S21-RF
Price: $109.57
HP 500666-B21#0D1 16GB PC3-8500 DDR3-1066MHz ECC Registered CL7 RDIMM Quad-Rank Memory Module
SKU: 500666-B21-0D1
Price: $109.57
500666-B24 - HP 16GB DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM Quad Rank Memory Module
SKU: 500666-B24
Price: $109.57
500666-B21U - HP 16GB PC3-8500 DDR3-1066MHz ECC Registered CL7 RDIMM Quad-Rank Memory Module
SKU: 500666-B21U
Price: $109.57
747093-S01 - HP ProLiant DL360e G8 Intel Xeon E5-2420 v2 6-Core 2.20GHz CPU 16GB DDR3 RAM Server
SKU: 747093-S01
Price: $457.89
696172-S01 - HP ProLiant BL465c G8 AMD Opteron 6380 16-Core 2.5GHz CPU 16GB DDR3 RAM Blade Server System
SKU: 696172-S01
Price: $591.58
656764-S01 - HP ProLiant ML350 G6 S-Buy- 2x Intel Xeon 6-Core E5645/2.4GHz 24MB L3 Cache 16GB DDR3 Ram Dvd
SKU: 656764-S01
Price: $861.05
595241-001 - HP ProLiant DL580 G7 Base-Model 2x Intel Xeon Hc E7520/1.86 GHz 16GB Ram DDR3 SDRAM SAS/SATA Dvd Rom Gigabit Ethernet 4u Rack Server
SKU: 595241-001
Price: $889.47
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.