Patriot Viper PV593 2TB PCIe 5.0 SSD Review
The Patriot Viper PV593 2 TB pairs Silicon Motion's power-efficient SM2508 controller with Micron G8 TLC to deliver 14,500 MB/s sequential reads in a drive that runs cooler than most PCIe 5.0 alternatives.

The 2 TB PV593 sits in the middle of Patriot's PV593 lineup, which also includes 1 TB and 4 TB options. All three share the same Silicon Motion SM2508 4-channel PCIe 5.0 controller and Micron G8 TLC NAND, but the 2 TB model offers a balance of sustained write performance, endurance, and storage density that makes it the most versatile capacity for most builders.
The SM2508 is architecturally different from the more common Phison E26. Its 4-channel design runs at higher per-channel clock speeds to achieve comparable throughput with fewer active channels, which directly reduces power consumption and heat output. The drive includes an onboard DRAM cache and fits the M.2 2280 form factor on a single-sided PCB. Power draw under load is notably lower than E26-based drives, which is a real advantage in systems with multiple NVMe drives sharing limited PSU rails.
Direct competitors include the Crucial T705 2 TB (Phison E26), Corsair MP700 Pro 2 TB, and the Samsung 990 Pro 2 TB (PCIe 4.0). The PV593's lower thermals make it particularly attractive for systems where M.2 cooling is limited — small-form-factor PCs, ITX builds, or motherboards where the top M.2 slot lacks a robust heatsink. The 4 TB variant is also available for users who need maximum capacity on a single M.2 slot. For builders weighing the PV593 against a PCIe 4.0 drive, the speed advantage is real but narrow: it only matters for large sequential transfers, not for gaming or everyday use.
✅ Storage Comparisons:
🚀 Performance and benchmarks
Rated at up to 14,500 MB/s sequential reads and 14,000 MB/s sequential writes, the PV593 2 TB sits at the top of the consumer NVMe performance stack. The 2 TB model benefits from more NAND die than the 1 TB, giving it better sustained write performance after the SLC cache fills. Real-world sequential transfers of large files should consistently exceed 10,000 MB/s on a PCIe 5.0 platform.
Patriot Viper PV593 2 TB vs M.2 4.0 x 4 peers
Switch between sequential throughput and random IOPS to see how this drive stacks up against other M.2 4.0 x 4 SSDs in our database. The highlighted bar is the drive on this page — click any other bar to open that drive.
- Patriot Viper PV593 2 TB (this drive): 14,500 MB/s read, 14,000 MB/s write
- Patriot Viper PV593 1 TB: 14,500 MB/s read, 14,000 MB/s write
- Nextorage NN5PRO 1 TB: 12,400 MB/s read, 11,800 MB/s write
- Nextorage NN5PRO 2 TB: 12,400 MB/s read, 11,800 MB/s write
- PNY XLR8 CS3140 1 TB: 7,500 MB/s read, 5,650 MB/s write
The SM2508's thermal efficiency is a practical advantage. Where Phison E26 drives can exceed 80°C during sustained writes and require aggressive throttling, the PV593 tends to stay 10–15°C cooler under the same workloads. This means more consistent performance in thermally constrained environments and less dependency on large heatsinks.
For mixed workloads — gaming, multitasking, application loading — the PV593 performs on par with other high-end NVMe drives. The PCIe 5.0 advantage is specific to large sequential transfers: video project moves, disk-to-disk cloning, and game library migration all benefit from the doubled bus bandwidth compared to PCIe 4.0.
🖥️ Endurance and warranty
Patriot rates the PV593 2 TB at 2.5 PBW (2,500 TBW) and covers it with a 3-year limited warranty. At a typical enthusiast write workload of 40 GB per day, the endurance rating translates to roughly 170 years. The TBW figure is well beyond what any consumer workload will reach during the warranty period. The 3-year warranty is shorter than the 5-year terms common on competing drives from Crucial and Samsung, which is worth weighing against the PV593's thermal and efficiency advantages. As with all Patriot drives, warranty service is handled through the company's standard RMA process, and the warranty is transferable to a subsequent owner with proof of purchase.
📊 Specs
| Category | Value |
|---|---|
| Capacity [?] | 2 TB |
| Interface [?] | M.2 4.0 x 4 |
| Controller [?] | Silicon Motion SM2508 4 Channel |
| Memory type [?] | Micron G8 TLC |
| DRAM [?] | Yes |
| Read speed (MB/s) [?] | 14500 |
| Write speed (MB/s) [?] | 14000 |
| Read IOPS [?] | 14500 |
| Write IOPS [?] | 14000 |
| Endurance (TBW) [?] | 2.5 |
| MTBF (million hours) [?] | 2000000 |
| Warranty (years) [?] | 3 |
Conclusion
The Patriot Viper PV593 2 TB is the most well-rounded capacity in the lineup, offering enough space for OS, games, and creative projects alongside top-tier PCIe 5.0 speeds. The SM2508 controller's lower power draw and heat output give it a real advantage in compact or poorly cooled builds where E26 drives would throttle. The 3-year warranty is the main drawback — if warranty length is a priority, the Crucial T705 offers comparable performance with a 5-year term at a similar price point. For thermally constrained builds, the PV593 is one of the best PCIe 5.0 options available.
+ Pros
- 14,500 MB/s rated sequential reads
- 14,000 MB/s rated sequential writes
- SM2508 runs cooler and draws less power than E26
- Micron G8 (232-layer) TLC NAND
- Good sustained writes from extra NAND die
- 2 TB capacity fits OS, games, and projects
- Cons
- 3-year warranty vs 5 years on many competitors
- PCIe 5.0 slot required for rated speeds
- No included heatsink
- Heatsink not included — must be added separately
🛒 Buy this or similar SSD Storage:
✨ Video Review
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