Gen4 vs Gen3 SSD: Which to Choose for Your Next PC Build

Building a new PC in South Africa? The storage choice can feel overwhelming. You're staring at two options: Gen3 and Gen4 NVMe SSDs. One promises blistering speed, the other offers incredible value. Making the wrong choice can mean bottlenecking your new rig or overspending where it doesn't count. So, when it comes to the great Gen4 vs Gen3 SSD debate, which drive is the right one for your build and your budget? Let's dive in.

Corsair MP600 PRO XT 4TB PCIe Gen 4 x4 M.2 NVMe SSD / Maximum Read Speed 7,100 MB/s / Maximum Write Speed 6,800 MB/s / Backward compatible with PCIe Gen3 / Aluminum heatspreader for cooling / High-density 3D TLC NAND memory / CSSD-F4000GBMP600PXT

R8499.00In Stock

Corsair MP600 PRO NH 4TB PCIe Gen4 x4 NVMe M.2 SSD – High-Density TLC NAND – M.2 2280 – DirectStorage Compatible - Up to 7,000MB/sec - No Heatsink - Black / CSSD-F4000GBMP600PNH

R7499.00In Stock

Kingston XS1000 1TB SSD | Pocket-Sized | USB 3.2 Gen 2 | External Solid State Drive | Up to 1050MB/s | SXS1000/1000G

R1799.00In Stock

Kingston XS1000 2TB SSD / Pocket-Sized / USB 3.2 Gen 2 / External Solid State Drive / Up to 1050MB/s / SXS1000/2000G

R2899.00In Stock

Kingston KC3000 PCIe 4.0 NVMe M.2 2TB SSD - High-Performance Storage for Desktop and Laptop PCs -SKC3000D/2048G

R3999.00In Stock

Kingston IronKey Vault Privacy 80 1.92TB External SSD | FIPS 197 | XTS-AES 256GB Encrypted | Touch Screen PIN | Secure Data Protection | IKVP80ES/1920G

R6999.00In Stock

What's the Real Difference Between Gen3 and Gen4?

At its core, the difference between a Gen3 and a Gen4 SSD comes down to speed… lots of it. Think of it like a highway. A PCIe Gen3 interface has a certain number of lanes, allowing data to travel at speeds up to around 3,500MB/s. A PCIe Gen4 interface effectively doubles those lanes.

This means a Gen4 drive can hit staggering theoretical speeds of 7,000MB/s or even more. For you, this translates to faster file transfers, quicker application launches, and potentially a snappier overall system feel. The choice often comes down to balancing cutting-edge performance with proven, budget-friendly tech, with many users still finding great value across the full range of SSDs available.

ADATA XPG Mars 980 Blade 4TB NVMe 5.0 Internal Solid State Drive / Up to 14,000MB/s Read Speed and Up to 13,000MB/s Write Speed / SMAR-980B-4TCS

R7999.00In Stock

Kingston 4000G NV3 NVMe SSD / Up to 6,000MB/s Read / Up to 4,000MB/s Write / PCIe 4.0 x4 NVMe / M.2 2280 Form Factor / SNV3S/4000G

R6299.00In Stock

Corsair MP700 PRO 1TB with Air Cooler PCIe Gen5 x4 NVMe 2.0 M.2 SSD / Up to 11,700MB/s Sequential Read / Up to 9,600MB/s Sequential Write / M.2 2280 Form Factor / CSSD-F1000GBMP700PRO

R4199.00In Stock

Kingston Fury Renegade 1TB PCIe Gen 4.0 NVMe M.2 Internal Gaming SSD with Heat Sink | PS5 Ready | Up to 7300MB/s / SFYRSK/1000G

R2999.00In Stock

Kingston Fury Renegade 1TB PCIe Gen 5.0 NVMe M.2 Internal SSD / Maximum Read Speed 14,200 MB/s / Maximum Write Speed 11,000 MB/s / Advanced thermal design / SFYR2S/1T0

R4199.00In Stock

Corsair MP600 PRO NH 8TB PCIe Gen4 x4 NVMe M.2 SSD – High-Density TLC NAND – M.2 2280 – DirectStorage Compatible - Up to 7,000MB/sec - No Heatsink - Black / CSSD-F8000GBMP600PNH

R22999.00In Stock

How Gen4 Speed Impacts Your Gaming 🚀

So, does double the theoretical speed mean your games will load twice as fast? Not exactly, but the benefits are real, especially for future titles.

In the Gen3 vs Gen4 SSD showdown for gaming, the biggest advantage for Gen4 is its synergy with new technologies like Microsoft's DirectStorage API. This tech allows the GPU to load game assets directly from a super-fast NVMe SSD, bypassing the CPU. The result? Drastically reduced loading times and more detailed, seamless open worlds with less texture pop-in.

While many current games see only a modest one or two-second improvement in load times, future-proofing your rig with a Gen4 drive means you'll be ready to take full advantage of next-gen gaming experiences.

Gen3 SSDs: Still a Champion for Budget Builds?

Absolutely. Let's be honest, for many South African gamers, bang-for-buck is king. This is where the Gen3 SSD still shines brightly. A high-quality 1TB Gen3 NVMe SSD can often be found for a significantly lower price in ZAR than its Gen4 counterpart.

For a pure gaming rig where you're loading a game once and then playing for hours, the few seconds saved on a loading screen might not justify the extra cost. If your priority is getting more capacity for your money to store a huge Steam library, a Gen3 drive remains an incredibly smart and powerful choice. Brands like Klevv South Africa offer fantastic options in both generations, ensuring there's a reliable drive for every budget.

The Verdict: Which SSD Is Right for You?

Choosing between a Gen4 vs Gen3 SSD ultimately depends on your specific needs and build.

Choose a Gen4 SSD if:

• You're a hardcore enthusiast who demands the absolute fastest performance.
• You're a content creator who frequently moves massive video or design files.
• You want to future-proof your PC for upcoming games that leverage DirectStorage. A lightning-fast option like the Klevv Cras C925G 1TB is a perfect example of top-tier performance. ✨

Western Digital 500GB WD Blue SN5100 NVMe Internal Solid State Drive / M.2 2280 Form Factor / Read Speeds up to 6600MB/s / Write Speeds up to 5600MB/s / PCIe Gen 4.0 Interface / nCache™ 4.0 Technology / 3D CBA NAND / Includes Acronis® True Image™ & SanDisk Dashboard Software / WDS500G5B0E

R1199.00In Stock

Kingston IronKey Vault Privacy 80 480GB External SSD | FIPS 197 | XTS-AES 256GB Encrypted | Touch Screen PIN | Secure Data Protection | IKVP80ES/480G

R4199.00In Stock

Kingston Fury Renegade 2TB PCIe Gen 4.0 NVMe M.2 Internal Gaming SSD with Heat Sink | PS5 Ready | Up to 7300MB/s | SFYRDK/2000G

R4199.00In Stock

XPG GAMMIX S70 Blade 8TB NVMe PCIe Gen4x4 Internal SSD / Sequential read/write speeds up to 7,400/6,800MB/s / Compatible with PC and PS5 / AGAMMIXS70B-8000G-CS

R15999.00In Stock

Kingston 1000G NV3 NVMe SSD / Up to 6,000MB/s Read / Up to 4,000MB/s Write / PCIe 4.0 x4 NVMe / M.2 2280 Form Factor / SNV3S/1000G

R1999.00In Stock

KLEVV CRAS C910 1TB M.2 NVMe PCIe Gen4x4 Internal SSD with Heatsink, up to 5000MB/s (K01TBM2SP0-C91)

R1799.00In Stock

Choose a Gen3 SSD if:

• You're on a tighter budget and want the best performance-per-Rand.
• Your motherboard doesn't support PCIe 4.0.
• You prioritise storage capacity over cutting-edge speed for your massive game library.

Both technologies offer a massive leap over old-school hard drives. The right decision is the one that best fits your system, your wallet, and your gaming style.