48gb vs 8gb Computer RAM
Side-by-side price per gigabyte comparison across 12 products.
As of March 2026, 48gb averages $13.5273/GB across 1 products while 8gb averages $8.2545/GB across 11 products on BuyPerUnit. 8gb offers 39% better value per gigabyte for computer ram.
48gb
Cheapest Product
48GB G. Skill DDR5 Trident Z5 RGB 8000MHz CL40 1.35V Dual Channel Kit 2x 24GB Black48GB · $649.31 · newegg
8gb
Better ValueCheapest Product
8GB RAM Replacement for IBM-Lenovo 03T7118, 03X6657, 0B47381, 5M30G18424 DDR3 1600MHz PC3L-12800 SODIMM 2Rx8 Laptop Memory8GB · $35.50 · newegg
Top Products Compared
| Rank | Brand | Product | Capacity | $/GB | Price | Retailer |
|---|---|---|---|---|---|---|
| 1 | 48gb | 48GB G. Skill DDR5 Trident Z5 RGB 8000MHz CL40 1.35V Dual Channel Kit 2x 24GB Black | 48GB | $13.5273 | $649.31 | newegg |
| 1 | 8gb | 8GB RAM Replacement for IBM-Lenovo 03T7118, 03X6657, 0B47381, 5M30G18424 DDR3 1600MHz PC3L-12800 SODIMM 2Rx8 Laptop Memory | 8GB | $4.4375 | $35.50 | newegg |
| 2 | 8gb | 8GB RAM Replacement for IBM-Lenovo 5M30K59786, 5M30K62037, SM30E51275, SM30G16480 DDR4 2133MHz PC4-17000 SODIMM 1Rx8 Laptop Memory | 8GB | $7.7488 | $61.99 | newegg |
| 3 | 8gb | 8GB RAM Replacement for Hynix HMA81GS6AFR8N-TF, HMA81GS6MFR8N-TF DDR4 2133MHz PC4-17000 SODIMM 1Rx8 Laptop Memory | 8GB | $7.7488 | $61.99 | newegg |
| 4 | 8gb | 8GB RAM Replacement for IBM-Lenovo 03X7049 DDR4 2133MHz PC4-17000 SODIMM Laptop Memory | 8GB | $7.7488 | $61.99 | newegg |
| 5 | 8gb | 8GB RAM Replacement for IBM-Lenovo 5M30H35726 DDR4 2133MHz PC4-17000 SODIMM 2Rx8 Laptop Memory | 8GB | $7.7488 | $61.99 | newegg |
Which Should You Buy?
Based on current pricing data, 8gb offers better overall value for computer ram at an average of $8.2545/GB compared to 48gb's $13.5273/GB — that's roughly 39% less per gigabyte.
8gb's best deal is the 8GB RAM Replacement for IBM-Lenovo 03T7118, 03X6657, 0B47381, 5M30G18424 DDR3 1600MHz PC3L-12800 SODIMM 2Rx8 Laptop Memory (8GB) at $4.4375/GB, while 48gb's cheapest option is the 48GB G. Skill DDR5 Trident Z5 RGB 8000MHz CL40 1.35V Dual Channel Kit 2x 24GB Black (48GB) at $13.5273/GB.
However, price per GB isn't everything — consider factors like warranty, performance specs, and your specific capacity needs. Check individual product pages for detailed specifications.
Frequently Asked Questions
Is 48gb or 8gb cheaper per GB for computer ram?
As of March 2026, 8gb averages $8.2545/GB compared to 48gb at $13.5273/GB. 8gb is approximately 39% cheaper per gigabyte on average.
How many 48gb and 8gb computer ram does BuyPerUnit track?
BuyPerUnit currently tracks 1 48gb products and 11 8gb products in the computer ram category, all ranked by price per gigabyte.
What is the cheapest 48gb computer ram per GB?
The cheapest 48gb option is the 48GB G. Skill DDR5 Trident Z5 RGB 8000MHz CL40 1.35V Dual Channel Kit 2x 24GB Black at $13.5273/GB ($649.31 for 48GB).
What is the cheapest 8gb computer ram per GB?
The cheapest 8gb option is the 8GB RAM Replacement for IBM-Lenovo 03T7118, 03X6657, 0B47381, 5M30G18424 DDR3 1600MHz PC3L-12800 SODIMM 2Rx8 Laptop Memory at $4.4375/GB ($35.50 for 8GB).