Alternative to P21129-B21: Better-Value Equivalents in Stock
Comparing the P21129-B21 (HPE P21129-B21 1.6TB Triple-Level Cell SAS 12Gb/s Write Intensive Hot-Pluggable SFF 2.5-Inch Solid State Drive with Tray For BL460c Gen10. In Stock) 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 P21129-B21
| SKU | P21129-B21 |
|---|---|
| Product | HPE P21129-B21 1.6TB Triple-Level Cell SAS 12Gb/s Write Intensive Hot-Pluggable SFF 2.5-Inch Solid State Drive with Tray For BL460c Gen10. In Stock |
| Stock status | In Stock |
| Detail page | View P21129-B21 › |
Alternatives to P21129-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.
HPE EO000400JXBEU 400GB Triple-Level Cell SAS 12Gb/s Hot Pluggable Write Intensive 2.5-Inch Solid State Drive with Smart Carrier for ProLiant Gen10
SKU: EO000400JXBEU
Price: $531.58
HPE P26295-B21 400GB Triple-Level Cell SAS 12Gb/s Write Intensive Hot-Pluggable 2.5-In Solid State Drive for Proliant Gen10 Server
SKU: P26295-B21
Price: $550.00
HPE EO000800PXDCK 800GB Triple-Level Cell SAS 12Gb/s Write Intensive SFF 2.5-Inch Solid State Drive With Carrier
SKU: EO000800PXDCK
Price: $726.32
HPE P26372-B21 800GB Triple-Level Cell SAS 24Gb/s Write Intensive 2.5-Inch Solid State Drive with Smart Carrier for ProLiant DL560 Gen10
SKU: P26372-B21
Price: $549.47
HPE P37177-001 800GB Triple-Level Cell SAS 24Gb/s Write Intensive 2.5-Inch Solid State Drive with Smart Carrier for ProLiant Server Gen10
SKU: P37177-001
Price: $549.47
P09100-B21 - HP 800GB Triple-Level-Cell SAS 12Gb/s Write Intensive 2.5-inch Solid State Drive
SKU: P09100-B21
Price: $387.37
HPE P06979-001 750GB Triple-Level Cell PCI Express NVMe 4.0 x4 Hot Pluggable Write Intensive 2.5-Inch Solid State Drive with Smart Carrier for ProLiant DL560 Gen10
SKU: P06979-001
Price: $1,168.42
HPE P40557-B21 1.92TB Triple-Level Cell SAS 12Gb/s Read Intensive 2.5-Inch Solid State Drive with Basic Carrier for ProLiant ML110 Gen10
SKU: P40557-B21
Price: $584.21
HPE P22636-001 1.92TB Triple-Level Cell SAS 12Gb/s Read Intensive 2.5-Inch Solid State Drive with Smart Carrier for ProLiant DL560 Gen10
SKU: P22636-001
Price: $871.58
HPE P21141-B21 1.92TB Triple-Level Cell SAS 12Gb/s Read Intensive 2.5-Inch Solid State Drive with Smart Carrier for ProLiant DL325 Gen10
SKU: P21141-B21
Price: $871.58
HPE P21139-B21 960GB Triple-Level Cell SAS 12Gb/s Read Intensive 2.5-Inch Solid State Drive with Smart Carrier for ProLiant XL230k Gen10
SKU: P21139-B21
Price: $1,050.53
HPE MO000960JXBFA 960GB Triple-Level Cell SAS 12Gb/s Hot Pluggable Read Intensive 2.5-Inch Solid State Drive
SKU: MO000960JXBFA
Price: $1,050.53
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.