Compare leading PCIe Gen4 and Gen5 SSDs by sequential read/write speeds and real-world workloads.
Understand motherboard support, cooling requirements and the differences between Gen4 and Gen5 storage.
Find suitable SSDs for gaming, AI workloads, content creation and professional productivity.
PCIe Gen4 and Gen5 NVMe SSDs are pushing storage performance well beyond SATA. They deliver faster boot times, quicker game loading and smoother 4K video editing, while AI workloads benefit from faster dataset and model transfers. Gen4 remains the practical choice for most users, but Gen5 is useful for creators, professionals and power users moving huge files regularly.
The Samsung 9100 Pro is a PCIe Gen5 SSD with speeds up to 14,800 MB/s read and 13,400 MB/s write. It features 1TB, 2TB, 4TB and 8TB capacities, with Samsung V-NAND TLC, an in-house controller and up to 4,800TBW. A heatsink version is also available. It suits AI workloads, content creation and demanding workstations.
The read and write speeds of the WD Black SN8100 are up to 14,900 MB/s and 14,000MB/s, respectively, through a PCIe Gen5 interface. The capacity options include 1TB, 2TB, 4TB, and 8TB. With TLC NAND, it comes with up to 4,800 TBW. The drive is available either with or without a heatsink. It is good for gaming, video editing, AI, AI data workloads, and professional productivity.
Also Read: Best CPUs for Gaming PC Builds
Crucial’s T710 is a PCIe Gen5 NVMe SSD offering up to 14,900 MB/s read and 13,800 MB/s write speeds, depending on capacity. Available in 1TB, 2TB and 4TB versions, it offers up to 2,400 TBW. Heatsink and non-heatsink variants are available, making it a strong option for gaming, creative applications and large file transfers.
The Kingston Fury Renegade G5 is a PCIe Gen5 SSD with the Silicon Motion SM2508 controller, 3D TLC NAND flash and DRAM cache technology. The drive offers speeds of 14,800 MB/s for reading and 14,000 MB/s for writing, with a maximum capacity of 8 TB and up to 8,000 TBW endurance.
Corsair’s MP700 Pro SE is a Gen5 PCIe SSD that comes in 2TB and 4TB capacities. This device achieves up to 14,000 MB/s read and 12,000 MB/s write speeds with 3,000 TBW endurance. Users also include a bare drive, an active air cooling system, and a Hydro X water block.
FireCuda 540 features PCIe Gen5, 3D TLC NAND Flash, and the Phison E26 controller certified by Seagate. The 1TB capacity offers speeds of 9,500/8,500 MB/s for operations. The 2TB capacity delivers read/write speeds of 10,000 MB/s.
The NM1090 Pro by Lexar supports a PCIe Gen5 interface, 232-layer 3D TLC NAND, a 6nm controller, as well as DRAM/SLC caching. For the 2TB and 4TB capacities, read and write speeds are 14,000 MB/s and 13,000 MB/s, respectively. Its storage capacities range from 1TB to 4TB.
The T-Force GE Pro is a Gen5 PCIe SSD that features the IG5666 controller from InnoGrit. The 2TB and 4TB versions boast a read speed of 14,000 MB/s and a 11,800 MB/s write speed, and have a maximum endurance of 2,400 TBW. The cache memory and the graphene thermal pad are featured, as well as the active cooler.
Samsung 990 PRO still belongs to the category of the fastest PCIe Gen4 SSDs with 7,450MB/s reading and 6,900 MB/s writing speeds. The storage device comes in 1 TB, 2 TB, and 4 TB versions. It also uses an internal Samsung controller and TLC NAND and provides 2,400 TBW.
The WD Black SN850X is a mature PCIe Gen4 SSD offering up to 7,200 MB/s read and 6,600 MB/s write speeds. Capacities extend to 8TB, with TLC NAND and up to 4,800 TBW. An optional heatsink version is available. It remains a practical choice for gaming PCs, content libraries, and general high-performance storage.
| SSD | PCIe | Read Speed | Write Speed | Best For | Capacity |
|---|---|---|---|---|---|
| Samsung 9100 Pro | Gen5 | 14,800 MB/s | 13,400 MB/s | AI, workstations | 1TB–8TB |
| WD Black SN8100 | Gen5 | 14,900 MB/s | 14,000 MB/s | Gaming, creators | 1TB–8TB |
| Crucial T710 | Gen5 | 14,900 MB/s | 13,800 MB/s | Gaming, editing | 1TB–4TB |
| Kingston Fury Renegade G5 | Gen5 | 14,800 MB/s | 14,000 MB/s | Enthusiasts, AI | 1TB–8TB |
| Corsair MP700 Pro SE | Gen5 | 14,000 MB/s | 12,000 MB/s | Heavy workloads | 2TB–4TB |
| Seagate FireCuda 540 | Gen5 | 10,000 MB/s | 10,000 MB/s | Gaming, creators | 1TB–2TB |
| Lexar NM1090 Pro | Gen5 | 14,000 MB/s | 13,000 MB/s | Gaming, content creation | 1TB–4TB |
| TeamGroup T-Force GE Pro | Gen5 | 14,000 MB/s | 11,800 MB/s | Gaming, workstations | 1TB–8TB |
| Samsung 990 Pro | Gen4 | 7,450 MB/s | 6,900 MB/s | Gaming, productivity | 1TB–4TB |
| WD Black SN850X | Gen4 | 7,200 MB/s | 6,600 MB/s | Gaming, storage | 1TB–8TB |
Check your motherboard before buying: a Gen5 SSD needs a compatible PCIe 5.0 M.2 slot to reach full speed, while Gen4 drives work on more platforms. DRAM can help with sustained workloads, and TLC NAND generally offers a stronger endurance balance than QLC. Check TBW for heavy writing, and plan for a heatsink with Gen5 drives. For most users, 1TB is the minimum; 2TB is the better long-term choice.
Choose a PCIe Gen4 SSD such as the Samsung 990 Pro or WD Black SN850X for excellent gaming and everyday performance with broad compatibility. Move to Gen5 for large-scale video editing, AI datasets, professional workloads, and frequent transfers of massive files where higher sequential bandwidth can make a measurable difference.
Also Read: Best PCIe 5.0 SSDs for High-End PCs
1. What is the current trend for Tesla stock?
Tesla remains in a bearish trend defined by lower highs and lower lows. Weak price action, persistent seller dominance, and moving average resistance keep short-term momentum leaning downward.
2. What does the RSI indicate?
The RSI sits near 24.67, indicating weak buying momentum and overbought-to-oversold territory. While it signals oversold conditions that could trigger a brief bounce, it doesn't confirm a full reversal.
3. What is the nearest support level?
The immediate support level rests around $368–$370. Repeatedly testing this boundary risks weakening it further, where a breakdown below could open the path toward additional downside price movement.
4. Which resistance levels are important?
Immediate resistance stands near $376 along the short-term moving average. Beyond that, stronger resistance waits around $386, where long-term moving averages and prior price consolidation levels align.
5. What could improve Tesla's technical outlook?
A sustained move above $376 and $386 resistance zones, backed by strong buying volume and improved RSI momentum, would be required to signal a genuine shift back to buyers.