Alternative to 128278-B21: Better-Value Equivalents in Stock
Comparing the 128278-B21 (128278-B21 - Compaq 256MB 133MHz PC133 ECC Registered CL3 168-Pin DIMM 3.3V Memory Module) against alternatives? Pro Disk Network stocks 12 similar 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 128278-B21
| SKU | 128278-B21 |
|---|---|
| Product | 128278-B21 - Compaq 256MB 133MHz PC133 ECC Registered CL3 168-Pin DIMM 3.3V Memory Module |
| Current price | $71.58 |
| Stock status | In Stock |
| Detail page | View 128278-B21 › |
Alternatives to 128278-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.
128278-10P - HP 256MB 133MHz PC133 ECC Registered CL3 168-Pin DIMM 3.3V Memory Module
SKU: 128278-10P
Price: $113.68
127005-031 - Compaq 256MB 133MHz PC-133 ECC Registered CL3 168-Pin DIMM Memory Module for ProLiant DL360 / DL380 / DL580 / ML330 Server
SKU: 127005-031
Price: $71.58
159377-001 - Compaq 256MB PC133 133MHz ECC Registered CL3 168-Pin DIMM Memory Module
SKU: 159377-001
Price: $71.58
159304-001 - Compaq 256MB PC133 133MHz ECC Registered CL3 168-Pin DIMM Memory Module
SKU: 159304-001
Price: $71.58
236852-B21 - Compaq 256MB 133MHz PC133 ECC Registered CL3 168-Pin DIMM Memory Module for ProLiant DL740 / DL760 Servers
SKU: 236852-B21
Price: $267.14
CT32M64S4D75.16T - Crucial 256MB SDRAM- 133MHz PC133 133MHz non-ECC Unbuffered CL3 168-Pin DIMM Memory Module
SKU: CT32M64S4D75.16T
Price: $205.26
9905121-002 - Compaq 256MB 133MHz PC133 ECC Unbuffered 168-Pin DIMM Memory Module for Deskpro En / Ep
SKU: 9905121-002
Price: $83.88
140139-001 - Compaq 256MB 133MHz PC133 ECC Unbuffered CL3 168-Pin DIMM Memory Module for EVO W4000 Workstation
SKU: 140139-001
Price: $96.20
254872-B21 - Compaq 256MB 133MHz PC133 ECC Unbuffered CL3 168-Pin DIMM Memory Module
SKU: 254872-B21
Price: $96.20
140134-031 - Compaq 256MB 133MHz PC133 non-ECC Unbuffered CL3 168-Pin DIMM Memory Module
SKU: 140134-031
Price: $113.68
239886-001 - Compaq 256MB 133MHz PC133 non-ECC Unbuffered CL3 168-Pin DIMM Memory Module
SKU: 239886-001
Price: $113.68
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.