Updated July 14, 2026 · 146 modules
SK Hynix leads on segment $/GB; OLOy leads on ratings. Buy live Amazon kits below — brand pages for the full catalogs.
OLOy
$6.47/GB
DDR4 32GB $/GB
SK Hynix
$5.15/GB
DDR4 32GB $/GB
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OLOy +26%
vs SK Hynix
Best buyable DDR4 and DDR5 kits by $/GB (dual-stick preferred)
SK Hynix
KLEVV CRAS V RGB DDR5 64GB (2x32GB) 6000MHz CL30 SK Hynix A-Die 1.35V Gaming Desktop Ram Memory XMP 3.0 / AMD Expo Ready - Black (KD5BGUA80-60A300G)$872.99
Verify on Amazon.com before purchasing — checkout price applies.OLOy
OLOy DDR4 RAM 32GB (2x16GB) 2400 MHz CL17 1.2V 260-Pin Laptop Gaming SODIMM for Intel (MD4S162417IZDC)$187.99
Verify on Amazon.com before purchasing — checkout price applies.SK Hynix
SK HYNIX 16GB 2X8GB DDR4 PC4-19200 2400MHZ 1RX8 CL17 Memory KIT HMA81GS6MFR8N-UH$125.72
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
SK Hynix is the budget pick on segment $/GB; OLOy 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
OLOy
OLOy DDR4 RAM 16GB (2x8GB) Black Owl 3600 MHz CL18 1.35V 288-Pin Desktop Gaming UDIMM (MD4U0836180BJ0DA)
$129.99
SK Hynix
Hynix 8GB PC4-21300 DDR4-2666MHz 260-Pin SODIMM 1.2V Single Rank Memory Module HMA81GS6CJR8N-VK
$56.90
Choose OLOy if…
Choose SK Hynix if…
Price per GB by capacity
Apples-to-apples at each capacity tier
| Capacity | OLOy | SK Hynix |
|---|---|---|
| 8GB | $6.50/GB | $6.35/GB |
| 16GB | $7.79/GB | $6.76/GB |
| 32GB | $6.25/GB | $5.83/GB |
| 64GB | $6.41/GB | $7.50/GB |
Capacity coverage
How many SKUs at each capacity
| Capacity | OLOy | SK Hynix |
|---|---|---|
| 1GB | — | 1 |
| 2GB | — | 4 |
| 4GB | — | 16 |
| 8GB | 1 | 27 |
| 16GB | 32 | 34 |
| 32GB | 9 | 16 |
| 64GB | 1 | 5 |
Speed mix & form factors
Where each brand concentrates its lineup
OLOy speeds
SK Hynix speeds
OLOy DDR / form
SK Hynix DDR / form
Answers use live segment pricing and catalog counts — updated July 14, 2026.
SK Hynix leads on DDR4 32GB $/GB at $5.15/GB vs OLOy at $6.47/GB (updated July 14, 2026).
OLOy averages 4.5★ across 43 tracked modules (6 rated 4.7★+). For most buyers, prioritise dual-stick kits with the right speed for your platform — see the Amazon picks and OLOy brand page.
SK Hynix averages 4.4★ across 103 tracked modules (36 rated 4.7★+). Compare the most-trusted picks below and browse the SK Hynix brand page for the full lineup.
For value, start with SK Hynix on segment $/GB today. For reliability, compare average ratings (OLOy 4.5★ vs SK Hynix 4.4★) and the most-trusted kits on this page. Buy the Amazon kit that matches your capacity and platform.
OLOy averages 4.5★ vs SK Hynix's 4.4★ across their product ranges.
SK Hynix offers more variety with 103 tracked modules vs OLOy's 43.
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). SK Hynix currently leads on segment $/GB — buy a dual-stick kit from the Amazon picks above.
OLOy has 8 SO-DIMM modules tracked; SK Hynix has 35. Browse OLOy or SK Hynix brand pages, or use the RAM Finder for laptop upgrades.