Updated August 28, 2026 · 840 modules
Corsair leads on segment $/GB. Buy live Amazon kits below — brand pages for the full catalogs.
A-Tech
$16.70/GB
DDR5 32GB $/GB
Corsair
$16.00/GB
DDR5 32GB $/GB
Premium today
A-Tech +4%
vs Corsair
Best buyable DDR4 and DDR5 kits by $/GB (dual-stick preferred)
A-Tech
A-Tech 96GB Kit (2x48GB) RAM for Dell XPS 8960 Desktop | DDR5 5600MHz PC5-44800 DIMM 2Rx8 1.1V 288-Pin Non-ECC UDIMM Memory Upgrade$1159.98
Verify on Amazon.com before purchasing — checkout price applies.Corsair
CORSAIR Vengeance RGB DDR5 RAM 96GB (2x48GB) 6000MHz CL30 Intel XMP iCUE Compatible Computer Memory - Black (CMH96GX5M2B6000C30)$189.99
Verify on Amazon.com before purchasing — checkout price applies.A-Tech
A-Tech 32GB (2x16GB) DDR4 2133 MHz UDIMM PC4-17000 (PC4-2133P) CL15 DIMM 2Rx8 Non-ECC Desktop RAM Memory Modules$201.68
Verify on Amazon.com before purchasing — checkout price applies.Corsair
CORSAIR Vengeance LPX DDR4 RAM 64GB (2x32GB) 3600MHz CL18-22-22-42 1.35V Intel AMD Desktop Computer Memory - Black (CMK64GX4M2D3600C18)$149.99
Verify on Amazon.com before purchasing — checkout price applies.Disclosure: As an Amazon Associate I earn from qualifying purchases. Rankings use price and spec data only — not paid placement. How we rank products
Corsair is the budget pick on segment $/GB; A-Tech may win on ratings or selection.
Segment medians preferred for $/GB (not raw catalog averages). Updated August 28, 2026.
Highest rating × review volume — for buyers comparing reliability, not just lowest price
A-Tech
A-Tech 8GB (2x4GB) DDR4 2666 MHz UDIMM PC4-21300 (PC4-2666V) CL19 DIMM Non-ECC Desktop RAM Memory Modules
$77.20
Corsair
CORSAIR Vengeance RGB DDR5 32GB (2x16GB) DDR5 6000MHz CL36 AMD EXPO Intel XMP iCUE Compatible Computer Memory – Gray (CMH32GX5M2E6000Z36)
$459.95
Choose A-Tech if…
Choose Corsair if…
Price per GB by capacity
Apples-to-apples at each capacity tier
| Capacity | A-Tech | Corsair |
|---|---|---|
| 8GB | $8.53/GB | — |
| 16GB | $10.20/GB | $14.11/GB |
| 32GB | $13.37/GB | $15.13/GB |
| 64GB | $13.97/GB | $14.49/GB |
| 128GB | $11.34/GB | $10.14/GB |
Capacity coverage
How many SKUs at each capacity
| Capacity | A-Tech | Corsair |
|---|---|---|
| 2GB | 4 | — |
| 4GB | 32 | — |
| 8GB | 148 | — |
| 16GB | 157 | 21 |
| 32GB | 176 | 59 |
| 48GB | 1 | 3 |
| 64GB | 88 | 29 |
| 96GB | 11 | 12 |
| 128GB | 64 | 2 |
| 256GB | 31 | — |
| 512GB | 2 | — |
Speed mix & form factors
Where each brand concentrates its lineup
A-Tech speeds
Corsair speeds
A-Tech DDR / form
Corsair DDR / form
Answers use live segment pricing and catalog counts — updated August 28, 2026.
Corsair leads on DDR5 32GB $/GB at $16.00/GB vs A-Tech at $16.70/GB (updated August 28, 2026).
A-Tech averages 4.6★ across 714 tracked modules (176 rated 4.7★+). For most buyers, prioritise dual-stick kits with the right speed for your platform — see the Amazon picks and A-Tech brand page.
Corsair averages 4.6★ across 126 tracked modules (72 rated 4.7★+). Compare the most-trusted picks below and browse the Corsair brand page for the full lineup.
For value, start with Corsair on segment $/GB today. For reliability, compare average ratings (A-Tech 4.6★ vs Corsair 4.6★) and the most-trusted kits on this page. Buy the Amazon kit that matches your capacity and platform.
A-Tech and Corsair have similar average customer ratings.
A-Tech offers more variety with 714 tracked modules vs Corsair's 126.
Both brands offer DDR4 and DDR5 modules in DIMM and SO-DIMM form factors. Compatibility depends on memory type and speed — not the brand. Check your motherboard QVL before buying.
For gaming, prioritise DDR5-6000 CL30 (AMD AM5) or DDR5-5600–6400 (Intel). Corsair currently leads on segment $/GB — buy a dual-stick kit from the Amazon picks above.
A-Tech has 240 SO-DIMM modules tracked; Corsair has 8. Browse A-Tech or Corsair brand pages, or use the RAM Finder for laptop upgrades.