Alternative to 668943-B21: Better-Value Equivalents in Stock
Comparing the 668943-B21 (668943-B21 - HP 12-inch FBWC Capacitor for ProLiant SL230S / SL4540 G8 Server) 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 668943-B21
| SKU | 668943-B21 |
|---|---|
| Product | 668943-B21 - HP 12-inch FBWC Capacitor for ProLiant SL230S / SL4540 G8 Server |
| Current price | $71.58 |
| Stock status | In Stock |
| Detail page | View 668943-B21 › |
Alternatives to 668943-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.
654873-001 - HP 12-inch FBWC Capacitor for ProLiant SL230S / SL4540 G8 Server
SKU: 654873-001
Price: $163.16
660091-001 - HP Flash-backed Write Cache (FBWC) With 12in Capacitor Cable for Smart Array
SKU: 660091-001
Price: $189.47
727263-001 - HP 12w 7.2v Battery Megacell Capacitor Pack for ProLiant BL460c Gen9 Server
SKU: 727263-001
Price: $105.26
878640-001 - HP 12-Watts 7.2V MegaCell Battery Capacitor Pack for ProLiant BL460c Gen10 Server
SKU: 878640-001
Price: $131.58
727263-003 - HP 12-Watts 7.2V FBWC Smart Array Battery for ProLiant BL460C G9 / G10 Server
SKU: 727263-003
Price: $105.26
677898-B21 - HP Smart Array P220i 512MB Flash Back Write Cache (FBWC) for ProLiant BL465c Gen8 Blade Server
SKU: 677898-B21
Price: $250.53
863446-B21 - HP ProLiant BL460c Gen10 Blade Server 2 x Xeon Gold 5120 2.2Ghz 64GB Memory Smart Array P204b-I 1GB FBWC 536FLB Network Controller
SKU: 863446-B21
Price: $468.42
728551-B21 - HP ProLiant DL580 G8 CTO Chassis with No Cpu, No Ram, 5SFF HDD Bays, Smart Array P830i/2GB Fbwc 12GB/s SAS Controller, 4u Rack Server
SKU: 728551-B21
Price: $597.89
727957-B21 - HP ProLiant Bl660c G8 Entry Model 2x Intel Xeon E5-4607v2/2.6GHz 6-Core, 64GB DDR3 Sdram, 4x 10 Gigabit Ethernet, Smart Array P220i Controller with 512MB Fbwc, Blade Server
SKU: 727957-B21
Price: $803.82
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.