Alternative to 273913-B21: Better-Value Equivalents in Stock
Comparing the 273913-B21 (273913-B21 - HP 256MB Battery Backed Write Cache (BBWC) Memory for Smart Array 6400 Series Controller only) 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 273913-B21
| SKU | 273913-B21 |
|---|---|
| Product | 273913-B21 - HP 256MB Battery Backed Write Cache (BBWC) Memory for Smart Array 6400 Series Controller only |
| Current price | $412.99 |
| Stock status | In Stock |
| Detail page | View 273913-B21 › |
Alternatives to 273913-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.
309522-001 - HP 256MB 72-Bit DDR Battery Backed Write Cache (BBWC) Memory Board with Battery for HP Smart Array P600
SKU: 309522-001
Price: $265.26
309522R-001 - HP 256MB 72-Bit DDR Battery Backed Write Cache (BBWC) Memory Board with Battery for Smart Array P600
SKU: 309522R-001
Price: $717.53
012304-001 - HP 128MB Battery Backed Write Cache (bbwc) Memory Module for Ultra-320 Smart Array 641 642 6i Controller (no Battery)
SKU: 012304-001
Price: $77.63
409248-001 - HP 128MB Battery Backed Write Cache (bbwc) Memory Module for Ultra-320 Smart Array 641 642 6i Controller (no Battery)
SKU: 409248-001
Price: $77.63
012796-001 - HP 128MB Battery Backed Write Cache (BBWC) Memory Module for Ultra320 Smart Array 641 642 6i Controller (no Battery)
SKU: 012796-001
Price: $83.88
372538-B21 - HP 512MB 72-Bit DDR Battery Backed Write Cache (BBWC) Memory Board with Battery for HP Smart Array P600/6402/6404
SKU: 372538-B21
Price: $345.26
378202-001 - HP 512MB 72-Bit DDR Battery Backed Write Cache (BBWC) Memory Board with Battery for Smart Array P600/6402/6404
SKU: 378202-001
Price: $345.26
012764-004 - HP 256MB 40-Bit DDR Battery Backed Write Cache (BBWC) Memory Board for Smart Array P400 Controller
SKU: 012764-004
Price: $71.58
383280-B21 - HP Smart Array P-Series Battery-Backed Write Cache (BBWC) Battery Kit
SKU: 383280-B21
Price: $173.68
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.