The A-Tech 4GB DDR4 2133 MHz UDIMM PC4-17000 (PC4-2133P) CL15 DIMM Non-ECC Desktop RAM Memory Module costs $10.6525/GB while the SK Hynix 4GB DDR4 3200MHz PC4-25600 1.2V 1R x 16 SODIMM Laptop RAM Memory Module HMA851S6CJR6N-XN, OEM Package costs $5.5450/GB. SK Hynix 4GB DDR4 3200MHz PC4-25600 1.2V 1R x 16 SODIMM Laptop RAM Memory Module HMA851S6CJR6N-XN, OEM Package offers 48% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
A-Tech 4GB DDR4 2133 MHz UDIMM PC4-17000 (PC4-2133P) CL15 DIMM Non-ECC Desktop RAM Memory Module vs SK Hynix 4GB DDR4 3200MHz PC4-25600 1.2V 1R x 16 SODIMM Laptop RAM Memory Module HMA851S6CJR6N-XN, OEM Package — Which Is Better Value?
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Specification Comparison
| Spec | A-Tech 4GB DDR4 2133 MHz UDIMM PC4-17000 (PC4-2133P) CL15 DIMM Non-ECC Desktop RAM Memory Module | SK Hynix 4GB DDR4 3200MHz PC4-25600 1.2V 1R x 16 SODIMM Laptop RAM Memory Module HMA851S6CJR6N-XN, OEM Package |
|---|---|---|
| Brand | A-Tech | SK Hynix |
| Capacity | 4 GB | 4 GB |
| $/GB | $10.6525 | $5.5450 |
| Price | $42.61 | $22.18 |
| Retailer | Amazon | Amazon |
| Category | Computer RAM | Computer RAM |
| Subcategory | desktop | laptop |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the SK Hynix 4GB DDR4 3200MHz PC4-25600 1.2V 1R x 16 SODIMM Laptop RAM Memory Module HMA851S6CJR6N-XN, OEM Package offers better value at $5.5450//GB compared to the A-Tech 4GB DDR4 2133 MHz UDIMM PC4-17000 (PC4-2133P) CL15 DIMM Non-ECC Desktop RAM Memory Module at $10.6525//GB — that's roughly 48% less per gigabyte.
The best deal for the SK Hynix 4GB DDR4 3200MHz PC4-25600 1.2V 1R x 16 SODIMM Laptop RAM Memory Module HMA851S6CJR6N-XN, OEM Package is $22.18 at Amazon, while the A-Tech 4GB DDR4 2133 MHz UDIMM PC4-17000 (PC4-2133P) CL15 DIMM Non-ECC Desktop RAM Memory Module starts at $42.61 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each A-Tech 4GB DDR4 2133 MHz UDIMM PC4-17000 (PC4-2133P) CL15 DIMM Non-ECC Desktop RAM Memory Module and SK Hynix 4GB DDR4 3200MHz PC4-25600 1.2V 1R x 16 SODIMM Laptop RAM Memory Module HMA851S6CJR6N-XN, OEM Package product page for detailed specifications and price history.
Frequently Asked Questions
Is A-Tech 4GB DDR4 2133 MHz UDIMM PC4-17000 (PC4-2133P) CL15 DIMM Non-ECC Desktop RAM Memory Module or SK Hynix 4GB DDR4 3200MHz PC4-25600 1.2V 1R x 16 SODIMM Laptop RAM Memory Module HMA851S6CJR6N-XN, OEM Package a better deal?
As of August 2026, SK Hynix 4GB DDR4 3200MHz PC4-25600 1.2V 1R x 16 SODIMM Laptop RAM Memory Module HMA851S6CJR6N-XN, OEM Package offers better value at $5.5450//GB compared to A-Tech 4GB DDR4 2133 MHz UDIMM PC4-17000 (PC4-2133P) CL15 DIMM Non-ECC Desktop RAM Memory Module at $10.6525//GB. That is approximately 48% better value per gigabyte.
What is the price per GB of A-Tech 4GB DDR4 2133 MHz UDIMM PC4-17000 (PC4-2133P) CL15 DIMM Non-ECC Desktop RAM Memory Module?
The A-Tech 4GB DDR4 2133 MHz UDIMM PC4-17000 (PC4-2133P) CL15 DIMM Non-ECC Desktop RAM Memory Module is currently priced at $10.6525/GB ($42.61 for 4 GB) at Amazon.
Where can I buy SK Hynix 4GB DDR4 3200MHz PC4-25600 1.2V 1R x 16 SODIMM Laptop RAM Memory Module HMA851S6CJR6N-XN, OEM Package for the cheapest price?
The cheapest price for the SK Hynix 4GB DDR4 3200MHz PC4-25600 1.2V 1R x 16 SODIMM Laptop RAM Memory Module HMA851S6CJR6N-XN, OEM Package is $22.18 at Amazon, which works out to $5.5450/GB.