Updated July 14, 2026 · 1,018 modules
A-Tech leads on segment $/GB. Buy live Amazon kits below — brand pages for the full catalogs.
A-Tech
$14.52/GB
DDR5 32GB $/GB
G.Skill
$17.50/GB
DDR5 32GB $/GB
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G.Skill +21%
vs A-Tech
Best buyable DDR4 and DDR5 kits by $/GB (dual-stick preferred)
A-Tech
A-Tech 256GB Kit (2x128GB) DDR5 5600MHz PC5-44800 ECC RDIMM 4Rx4 2S2Rx4 (EC8 10x4) Quad Rank 1.1V ECC Registered DIMM 288-Pin Server RAM Memory Upgrade Modules (A-Tech Enterprise Series)$795.00
Verify on Amazon.com before purchasing — checkout price applies.G.Skill
G.SKILL Ripjaws S5 Series 64GB (2 x 32GB) 288-Pin PC RAM DDR5 6000 (PC5 48000) Desktop Memory Model F5-6000J3040G32GX2-RS5K$114.95
Verify on Amazon.com before purchasing — checkout price applies.A-Tech
A-Tech 128GB Kit (2x64GB) RAM for ASRock Rack ROMED8-2T | DDR4 2133MHz PC4-17000 ECC LRDIMM 4Rx4 Load Reduced Server Memory Upgrade$420.33
Verify on Amazon.com before purchasing — checkout price applies.G.Skill
G.SKILL Trident Z Neo Series DDR4 RAM (XMP) 64GB (2x32GB) 3600MT/s CL16-22-22-42 1.45V Intel AMD Desktop Computer Memory U-DIMM (F4-3600C16D-64GTZN)$249.99
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
A-Tech is the budget pick on segment $/GB; G.Skill may win on ratings or selection.
Segment medians preferred for $/GB (not raw catalog averages). Updated July 14, 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
G.Skill
Trident Z Royal Series DDR4 RAM (XMP) 32GB (2x16GB) 3200MT/s CL16-18-18-38 1.35V Intel AMD Desktop Computer Memory U-DIMM - Silver (F4-3200C16D-32GTRS)
$249.99
Choose A-Tech if…
Choose G.Skill if…
Price per GB by capacity
Apples-to-apples at each capacity tier
| Capacity | A-Tech | G.Skill |
|---|---|---|
| 8GB | $8.53/GB | $13.18/GB |
| 16GB | $10.07/GB | $10.60/GB |
| 32GB | $12.00/GB | $15.11/GB |
| 64GB | $12.33/GB | $14.35/GB |
| 128GB | $9.63/GB | $21.60/GB |
Capacity coverage
How many SKUs at each capacity
| Capacity | A-Tech | G.Skill |
|---|---|---|
| 2GB | 4 | — |
| 4GB | 32 | 3 |
| 8GB | 148 | 14 |
| 16GB | 157 | 51 |
| 32GB | 176 | 117 |
| 48GB | 1 | 22 |
| 64GB | 88 | 57 |
| 96GB | 11 | 24 |
| 128GB | 64 | 10 |
| 256GB | 31 | 4 |
| 512GB | 2 | — |
Speed mix & form factors
Where each brand concentrates its lineup
A-Tech speeds
G.Skill speeds
A-Tech DDR / form
G.Skill DDR / form
Answers use live segment pricing and catalog counts — updated July 14, 2026.
A-Tech leads on DDR5 32GB $/GB at $14.52/GB vs G.Skill at $17.50/GB (updated July 14, 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.
G.Skill averages 4.6★ across 304 tracked modules (142 rated 4.7★+). Compare the most-trusted picks below and browse the G.Skill brand page for the full lineup.
For value, start with A-Tech on segment $/GB today. For reliability, compare average ratings (A-Tech 4.6★ vs G.Skill 4.6★) and the most-trusted kits on this page. Buy the Amazon kit that matches your capacity and platform.
A-Tech and G.Skill have similar average customer ratings.
A-Tech offers more variety with 714 tracked modules vs G.Skill's 304.
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). A-Tech currently leads on segment $/GB — buy a dual-stick kit from the Amazon picks above.
A-Tech has 240 SO-DIMM modules tracked; G.Skill has 33. Browse A-Tech or G.Skill brand pages, or use the RAM Finder for laptop upgrades.