Updated July 14, 2026 · 227 modules
ADATA 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
OWC
$34.27/GB
DDR5 32GB $/GB
Premium today
OWC +69%
vs ADATA
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.OWC
OWC 128GB (8x16GB) DDR5 5600 PC5-44800 CL46 1Rx8 288-pin 1.1V ECC Registered RDIMM Memory RAM Module Upgrade Kit for Select Workstations or Servers$395.00
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.OWC
OWC 128GB (4 x 32GB) DDR4 ECC Registerd CL21 PC4-21300 2666MHz SDRAM Memory Ram Upgrade Module Compatible with 2019 Mac Pro 7,1 and 2017 iMac Pro 1,1 (OWC2666R3M128)$262.22
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
ADATA leads today on both segment $/GB and ratings across 39 modules.
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
OWC
OWC 32GB (4 x 8GB) PC12800 DDR3L 1600MHz SO-DIMMs Memory Compatible with 2011-2015 iMac Models (OWC1600DDR3S32S)
$148.39
Choose ADATA if…
Choose OWC if…
Price per GB by capacity
Apples-to-apples at each capacity tier
| Capacity | ADATA | OWC |
|---|---|---|
| 8GB | $10.69/GB | $7.89/GB |
| 16GB | $13.14/GB | $11.38/GB |
| 32GB | $19.05/GB | $14.47/GB |
| 64GB | — | $15.90/GB |
| 128GB | — | $14.04/GB |
Capacity coverage
How many SKUs at each capacity
| Capacity | ADATA | OWC |
|---|---|---|
| 4GB | — | 3 |
| 8GB | 4 | 10 |
| 16GB | 24 | 37 |
| 32GB | 10 | 39 |
| 64GB | — | 36 |
| 128GB | — | 35 |
| 256GB | — | 23 |
| 512GB | — | 5 |
Speed mix & form factors
Where each brand concentrates its lineup
ADATA speeds
OWC speeds
ADATA DDR / form
OWC DDR / form
Answers use live segment pricing and catalog counts — updated July 14, 2026.
ADATA leads on DDR5 32GB $/GB at $20.31/GB vs OWC at $34.27/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.
OWC averages 4.4★ across 188 tracked modules (43 rated 4.7★+). Compare the most-trusted picks below and browse the OWC brand page for the full lineup.
For value, start with ADATA on segment $/GB today. For reliability, compare average ratings (ADATA 4.6★ vs OWC 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 OWC's 4.4★ across their product ranges.
OWC offers more variety with 188 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). ADATA currently leads on segment $/GB — buy a dual-stick kit from the Amazon picks above.
ADATA has 6 SO-DIMM modules tracked; OWC has 55. Browse ADATA or OWC brand pages, or use the RAM Finder for laptop upgrades.