Alternative to K5J28AA: Better-Value Equivalents in Stock
Comparing the K5J28AA (K5J28AA - HP 4-Bay High Density Storage Kit for Z840 Workstation) 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 K5J28AA
| SKU | K5J28AA |
|---|---|
| Product | K5J28AA - HP 4-Bay High Density Storage Kit for Z840 Workstation |
| Current price | $1,015.37 |
| Stock status | In Stock |
| Detail page | View K5J28AA › |
Alternatives to K5J28AA
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.
635914-B21 - HP Storage Bay Adapter Internal 2 x Total Bay 2 x 2.5-inch Bay
SKU: 635914-B21
Price: $157.76
Kingston KTH8400/4G 4GB Kit (4 X 1GB) ECC Registered High-Density 278-Pin System Specific DIMM Memory for HP
SKU: KTH8400-4G
Price: $77.63
A8088BR - HP 2GB Kit (2 X 1GB) 133MHz PC133 ECC Registered High Density 278-Pin DIMM Memory
SKU: A8088BR
Price: $83.88
A5797A - HP 512MB Kit (2x256MB) PC133 133MHz ECC Registered High-Density CL2 278-Pin DIMM Memory for L-Class 9000 Server
SKU: A5797A
Price: $96.84
A5198A - HP 2GB Kit (4x512MB) PC133 133MHz ECC Registered High Density 278-Pin DIMM Memory
SKU: A5198A
Price: $97.14
A4923A - HP 1GB Kit (2x512MB) PC120 120MHz ECC Registered 278-Pin High-Density DIMM Memory for 9000 and N-Class Servers
SKU: A4923A
Price: $97.14
A5798A - HP 1GB Kit (2x512MB) PC133 133MHz ECC Registered High-Density 278-Pin System Specific DIMM Memory for 9000 A / L Class Servers
SKU: A5798A
Price: $97.14
A6802A - HP 1GB Kit (4x256MB) PC133 133MHz ECC Registered High-Density 278-Pin SyncDRAM DIMM Memory for rp8420/rp7410/rx7620 Server
SKU: A6802A
Price: $127.16
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.