Updated July 14, 2026 · 149 modules
Silicon Power leads on segment $/GB; ADATA leads on ratings. Buy live Amazon kits below — brand pages for the full catalogs.
ADATA
$20.31/GB
DDR5 32GB $/GB
Silicon Power
$12.81/GB
DDR5 32GB $/GB
Premium today
ADATA +59%
vs Silicon Power
Best buyable DDR4 and DDR5 kits by $/GB (dual-stick preferred)
ADATA
XPG Lancer Blade DDR5 6000MHz CL30 32GB (2x16GB) PC5-48000 RAM 288-Pins UDIMM Desktop Memory Kit Black Heatsink(AX5U6000C3016G-DTLABBK)$568.67
Verify on Amazon.com before purchasing — checkout price applies.Silicon Power
Silicon Power DDR5 64GB Kit (2 x 32GB) 5600MHz (PC5-44800) CL46 1.1V SODIMM Non-ECC Laptop RAM Computer Memory SU064GBSVU560F22EC$699.97
Verify on Amazon.com before purchasing — checkout price applies.ADATA
XPG SPECTRIX D35G RGB DDR4 3200MHz CL16 32GB (2x16GB) PC4-25600 RAM 288-Pins UDIMM Desktop Memory Kit Black Heatsink(AX4U320016G16A-DTBKD35G)$259.49
Verify on Amazon.com before purchasing — checkout price applies.Silicon Power
Silicon Power DDR4 32GB (2x16GB) 3200MHz (PC4-25600) CL22 SODIMM 260-Pin 1.2V Non-ECC Laptop RAM Notebook Computer Memory SP032GBSFU320X22$194.97
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
Silicon Power is the budget pick on segment $/GB; ADATA 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
ADATA
XPG Z1 DDR4 3200MHz (PC4 25600) 16GB (2x8GB) 288-Pin CL16-20-20 Memory Modules, Silver (AX4U320038G16A-DSZ1)
$199.99
Silicon Power
Silicon Power DDR4 16GB 3200MHz (PC4-25600) CL22 SODIMM 260-Pin 1.2V Non-ECC Laptop RAM Notebook Computer Memory SU016GBSFU320F02AB
$99.97
Choose ADATA if…
Choose Silicon Power if…
Price per GB by capacity
Apples-to-apples at each capacity tier
| Capacity | ADATA | Silicon Power |
|---|---|---|
| 8GB | $10.69/GB | $10.11/GB |
| 16GB | $13.14/GB | $9.17/GB |
| 32GB | $19.05/GB | $10.84/GB |
| 64GB | — | $12.87/GB |
Capacity coverage
How many SKUs at each capacity
| Capacity | ADATA | Silicon Power |
|---|---|---|
| 1GB | — | 3 |
| 2GB | — | 6 |
| 4GB | — | 3 |
| 8GB | 4 | 15 |
| 12GB | — | 1 |
| 16GB | 24 | 29 |
| 24GB | — | 2 |
| 32GB | 10 | 39 |
| 64GB | — | 10 |
Speed mix & form factors
Where each brand concentrates its lineup
ADATA speeds
Silicon Power speeds
ADATA DDR / form
Silicon Power DDR / form
Answers use live segment pricing and catalog counts — updated July 14, 2026.
Silicon Power leads on DDR5 32GB $/GB at $12.81/GB vs ADATA at $20.31/GB (updated July 14, 2026).
ADATA averages 4.6★ across 39 tracked modules (13 rated 4.7★+). For most buyers, prioritise dual-stick kits with the right speed for your platform — see the Amazon picks and ADATA brand page.
Silicon Power averages 4.4★ across 110 tracked modules (22 rated 4.7★+). Compare the most-trusted picks below and browse the Silicon Power brand page for the full lineup.
For value, start with Silicon Power on segment $/GB today. For reliability, compare average ratings (ADATA 4.6★ vs Silicon Power 4.4★) and the most-trusted kits on this page. Buy the Amazon kit that matches your capacity and platform.
ADATA averages 4.6★ vs Silicon Power's 4.4★ across their product ranges.
Silicon Power offers more variety with 110 tracked modules vs ADATA's 39.
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). Silicon Power currently leads on segment $/GB — buy a dual-stick kit from the Amazon picks above.
ADATA has 6 SO-DIMM modules tracked; Silicon Power has 26. Browse ADATA or Silicon Power brand pages, or use the RAM Finder for laptop upgrades.