How to choose RAM. — 32 GB, DDR5-6000, CL30. Done.

How much RAM you actually need in 2026

RAM sizing has moved in 2026. What was comfortable two years ago is now the floor. Here's where each capacity actually lives:

Why 32 GB is now the floor: Modern AAA games routinely allocate 12-16 GB of system RAM at high settings. Windows 11 plus Edge/Chrome plus Spotify plus Discord plus Steam plus a few background apps already sits at 14-18 GB before you've launched anything heavy. 16 GB worked in 2022; it gets uncomfortable in 2026.

DDR5 vs DDR4 — DDR5 only in 2026

If you're building new, this isn't a choice. Every current AMD AM5 and Intel LGA 1851 platform uses DDR5 exclusively — you can't even slot DDR4 into them. DDR4 lives on only for upgrades to older platforms (LGA 1700, AM4).

DDR5 is roughly 30% more expensive per GB than DDR4 at equivalent quality, but it delivers 1.5-2× the bandwidth, ships with on-module power management for stability, and pairs cleanly with current CPUs. There's no scenario in 2026 where a new build benefits from being on DDR4.

Speed and CL latency — where the marketing lies

DDR5 kits ship at speeds from 4800 MT/s (the JEDEC default) up to 8000 MT/s and beyond. Manufacturers love to market the top numbers. But for gaming and most productivity:

• DDR5-6000 CL30 is the sweet spot. AMD's memory controller runs cleanest at exactly 6000 MT/s and CL30 latency. Intel Core Ultra is more flexible but also stable here.
• DDR5-6400 CL32 is a small step up — 2-3% extra performance for 10-15% extra cost. Marginal.
• DDR5-7200 CL34 and faster can give 1-3% extra FPS in specific titles, but at 30-50% price premium and real stability risk on AMD. Often won't run at rated speed without manual tuning.
• DDR5-4800 (default) is what your kit runs at if you forget to enable XMP / EXPO — and what most "budget" kits are rated for. Costs you 15-20% gaming performance.

Always buy as a dual-channel kit

Modern CPUs have two memory channels. To use both, you need two RAM sticks installed in the right slots. A single 32 GB stick technically works but runs in single-channel mode — meaning you've halved your memory bandwidth and lost 10-25% gaming performance.

The right approach:

• Buy a 2-stick kit (2 × 16 GB for 32 GB total, or 2 × 32 GB for 64 GB total)
• Install both sticks. Most motherboards use slots A2 and B2 for dual-channel — the second and fourth slots from the CPU
• Check your motherboard manual to confirm the correct slot positions

Four sticks isn't always better. AMD Ryzen and Intel Core Ultra both struggle to run four sticks at rated XMP/EXPO speeds. If you need 64 GB, get a 2 × 32 GB kit, not 4 × 16 GB.

XMP (Intel) and EXPO (AMD)

Your RAM kit's advertised speed — DDR5-6000, DDR5-7200 — is the speed it's capable of, not the speed it runs at out of the box. Without enabling a memory profile, every DDR5 kit defaults to 4800 MT/s, losing 15-25% of its rated performance.

The profiles that fix this:

• XMP 3.0 — Intel's standard. Stored on the RAM module, enabled in BIOS
• EXPO — AMD's equivalent. Same idea, AMD-optimised timings. Kits often ship with both XMP and EXPO profiles

How to enable — Boot to BIOS (usually Del or F2 at startup), find the memory section (called AI Tweaker on ASUS, OC on MSI, Tweaker on Gigabyte). Set the profile dropdown to Profile 1 or Auto. Save and exit. Takes 30 seconds, costs nothing, gives you back 15-25% memory performance.

Brands and recommended kits

Trusted brands in South Africa

• Kingston Fury Beast / Renegade — reliable, often the best value at DDR5-6000 CL30. Lifetime warranty
• Corsair Vengeance / Dominator — premium build, RGB options, lifetime warranty
• G.Skill Trident Z / Ripjaws — popular with enthusiasts, top-tier overclocking headroom, lifetime warranty
• TeamGroup T-Force / T-Create — value pick, solid quality, often cheapest at the same spec
• Crucial Pro / Ballistix — Crucial owns Micron, so they make their own chips. Stable and reasonably priced

Recommended 2 × 16 GB DDR5-6000 CL30 kits

Common RAM mistakes

Buying a single 32 GB stick. You've halved your memory bandwidth. Two 16 GB sticks installed correctly always beat one 32 GB stick at the same spec.

Skipping XMP / EXPO. Your DDR5-6000 kit will run at 4800 MHz until you enable the profile. 15-20% gaming performance left on the table for the sake of one BIOS setting.

Paying for DDR5-7200 or faster. 1-3% extra performance in specific titles for 30-50% more money and real instability risk on AMD. Not worth it.

Mixing kits. Two kits of the same brand, speed and timings should work but isn't guaranteed. Different chip batches can refuse to play nicely. The safe path is one kit at the capacity you need.

Installing in the wrong slots. Two sticks in slots A1 and A2 won't run dual-channel. Use A2 and B2 — typically the 2nd and 4th slots from the CPU. Motherboard manual confirms.

Key takeaways

• 32 GB is the 2026 sweet spot. 64 GB for creator work. Don't go below 32 GB.
• DDR5-6000 CL30 is the right target for both AMD and Intel. Faster speeds rarely pay off.
• Always buy a 2-stick kit, install in slots A2 and B2, enable dual channel.
• Enable XMP or EXPO in BIOS after first boot. Without it, you lose 15-20% memory performance.
• Stick with trusted brands (Kingston, Corsair, G.Skill, TeamGroup, Crucial). Lifetime warranty across the board.

Frequently asked questions