Alternative to 708638-B21: Better-Value Equivalents in Stock
Comparing the 708638-B21 (708638-B21 - HP 4GB DDR3-1866MHz PC3-14900 ECC Registered CL13 240-Pin DIMM 1.35V Low Voltage Memory Module) 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 708638-B21
| SKU | 708638-B21 |
|---|---|
| Product | 708638-B21 - HP 4GB DDR3-1866MHz PC3-14900 ECC Registered CL13 240-Pin DIMM 1.35V Low Voltage Memory Module |
| Current price | $127.09 |
| Stock status | In Stock |
| Detail page | View 708638-B21 › |
Alternatives to 708638-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.
E2Q92AA - HP 4GB DDR3-1866MHz PC3-14900 ECC Registered CL13 240-Pin DIMM 1.35V Low Voltage Memory Module
SKU: E2Q92AA
Price: $73.68
733484-001 - HP 4GB DDR3-1866MHz PC3-14900 ECC Registered CL13 240-Pin DIMM 1.35V Low Voltage Memory Module
SKU: 733484-001
Price: $73.68
712381-571 - HP 4GB DDR3-1866MHz PC3-14900 ECC Registered CL13 240-Pin DIMM 1.35V Low Voltage Single Rank Memory Module
SKU: 712381-571
Price: $73.68
708637-B21 - HP 4GB DDR3-1866MHz PC3-14900 ECC Registered CL13 240-Pin DIMM 1.35V Low Voltage Memory Module
SKU: 708637-B21
Price: $110.53
712381-071 - HP 4GB DDR3-1866MHz PC3-14900 ECC Registered CL13 240-Pin DIMM 1.35V Low Voltage Single Rank Memory Module
SKU: 712381-071
Price: $110.53
715272-001 - HP 4GB DDR3-1866MHz PC3-14900 ECC Registered CL13 240-Pin DIMM 1.35V Low Voltage Memory Module
SKU: 715272-001
Price: $110.53
729454-001 - HP 4GB DDR3-1866MHz PC3-14900 ECC Registered CL13 240-Pin DIMM 1.35V Low Voltage Single Rank Memory Module
SKU: 729454-001
Price: $127.09
712381-971 - HP 4GB DDR3-1866MHz PC3-14900 ECC Registered CL13 240-Pin DIMM 1.35V Low Voltage Single Rank Memory Module
SKU: 712381-971
Price: $127.09
708637-S21 - HP 4GB DDR3-1866MHz PC3-14900 ECC Registered CL13 240-Pin DIMM 1.35V Low Voltage Memory Module
SKU: 708637-S21
Price: $127.09
E2Q92AT - HP 4GB DDR3-1866MHz PC3-14900 ECC Registered CL13 240-Pin DIMM 1.35V Low Voltage Memory Module
SKU: E2Q92AT
Price: $139.46
731761-B22 - HP 8GB Kit (2 X 4GB) DDR3-1866MHz PC3-14900 ECC Registered CL13 240-Pin DIMM Single Rank Memory
SKU: 731761-B22
Price: $241.46
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.