Updated July 14, 2026 · 315 modules
Corsair leads on segment $/GB; Corsair leads on ratings. Buy live Amazon kits below — brand pages for the full catalogs.
Corsair
$14.84/GB
DDR5 32GB $/GB
OWC
$34.27/GB
DDR5 32GB $/GB
Premium today
OWC +131%
vs Corsair
Best buyable DDR4 and DDR5 kits by $/GB (dual-stick preferred)
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.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.Corsair
Corsair Vengeance LPX 128GB (4x32GB) DDR4 3600 (PC4-28800) C18 1.35V Desktop Memory - Black$194.99
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
Corsair leads today on both segment $/GB and ratings across 127 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
Corsair
CORSAIR Vengeance RGB DDR5 32GB (2x16GB) DDR5 6000MHz CL36 AMD EXPO Intel XMP iCUE Compatible Computer Memory – Gray (CMH32GX5M2E6000Z36)
$459.95
OWC
OWC 32GB (4 x 8GB) PC12800 DDR3L 1600MHz SO-DIMMs Memory Compatible with 2011-2015 iMac Models (OWC1600DDR3S32S)
$148.39
Choose Corsair if…
Choose OWC if…
Price per GB by capacity
Apples-to-apples at each capacity tier
| Capacity | Corsair | OWC |
|---|---|---|
| 8GB | — | $7.89/GB |
| 16GB | $13.22/GB | $11.38/GB |
| 32GB | $14.16/GB | $14.47/GB |
| 64GB | $12.32/GB | $15.90/GB |
| 128GB | $5.04/GB | $14.04/GB |
Capacity coverage
How many SKUs at each capacity
| Capacity | Corsair | OWC |
|---|---|---|
| 4GB | — | 3 |
| 8GB | — | 10 |
| 16GB | 22 | 37 |
| 32GB | 59 | 39 |
| 48GB | 3 | — |
| 64GB | 29 | 36 |
| 96GB | 12 | — |
| 128GB | 2 | 35 |
| 256GB | — | 23 |
| 512GB | — | 5 |
Speed mix & form factors
Where each brand concentrates its lineup
Corsair speeds
OWC speeds
Corsair DDR / form
OWC DDR / form
Answers use live segment pricing and catalog counts — updated July 14, 2026.
Corsair leads on DDR5 32GB $/GB at $14.84/GB vs OWC at $34.27/GB (updated July 14, 2026).
Corsair averages 4.6★ across 127 tracked modules (73 rated 4.7★+). For most buyers, prioritise dual-stick kits with the right speed for your platform — see the Amazon picks and Corsair 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 Corsair on segment $/GB today. For reliability, compare average ratings (Corsair 4.6★ vs OWC 4.4★) and the most-trusted kits on this page. Buy the Amazon kit that matches your capacity and platform.
Corsair averages 4.6★ vs OWC's 4.4★ across their product ranges.
OWC offers more variety with 188 tracked modules vs Corsair's 127.
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.
Corsair has 9 SO-DIMM modules tracked; OWC has 55. Browse Corsair or OWC brand pages, or use the RAM Finder for laptop upgrades.