Alternative to 676473-B21: Better-Value Equivalents in Stock
Comparing the 676473-B21 (676473-B21 - HP Flash Backed Write Cache RAID Controller Cache Memory (512MB)) 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 676473-B21
| SKU | 676473-B21 |
|---|---|
| Product | 676473-B21 - HP Flash Backed Write Cache RAID Controller Cache Memory (512MB) |
| Current price | $173.68 |
| Stock status | In Stock |
| Detail page | View 676473-B21 › |
Alternatives to 676473-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.
615415-001 - HP Smart Array P822 SAS / SATA 2GB Flash Backed Write Cache PCI Express 3.0 x8 RAID Controller Card
SKU: 615415-001
Price: $178.95
505908-001 - HP 1GB FBWC (Flash Backed Write Cache) Memory Module for Smart Array P212/P410/P411 Controller
SKU: 505908-001
Price: $47.37
633540-001 - HP 512MB Flash-Backed Write Cache (FBWC) 244-Pin DDR3 Mini-DIMM Memory Module for Smart Array P-Series Controller Card
SKU: 633540-001
Price: $47.37
633542-001 - HP 1GB Flash-Backed Write Cache (FBWC) 244-Pin DDR3 Mini-DIMM Memory Module for Smart Array P-Series Controller Card
SKU: 633542-001
Price: $47.37
570501-002 - HP 1GB FBWC (Flash Backed Write Cache) Memory Module for Smart Array P212/P410/P411 Controller
SKU: 570501-002
Price: $71.58
578882-001 - HP 512MB FBWC (Flash Backed Write Cache) Memory Module for Smart Array P212/P410/P411 Controller
SKU: 578882-001
Price: $71.58
534917-B21 - HP 512MB Flash Backed Write Cache Memory Module for Smart Array P212/P410/P411 Controller
SKU: 534917-B21
Price: $103.33
AM252A - HP 512MB FBWC (Flash Backed Write Cache) Memory Module for Smart Array P212/P410/P411 Controller
SKU: AM252A
Price: $273.91
578819-001 - HP Smart Array P410 PCI-Express x8 SAS 300Mb/s Low Profile RAID Storage Controller Card with 1GB Flash Backed Cache Controller
SKU: 578819-001
Price: $71.58
578230-B21 - HP Smart Array P410 PCI-Express x8 SAS 300Mb/s Low Profile RAID Storage Controller Card with 512MB Flash Backed Cache Controller
SKU: 578230-B21
Price: $163.16
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.