Patriot Viper PV593 1TB PCIe 5.0 NVMe SSD
The Patriot Viper PV593 1 TB is one of the first PCIe 5.0 drives built on Silicon Motion's SM2508 controller — a 4-channel design that targets the same 14,000+ MB/s speeds as 8-channel competitors while drawing significantly less power.
The PV593 uses the Silicon Motion SM2508, a 4-channel PCIe 5.0 controller paired with Micron G8 TLC NAND (Micron's 232-layer generation). The reduced channel count compared to 8-channel controllers like the Phison E26 means the SM2508 is more power-efficient, which translates to lower temperatures and less aggressive thermal throttling — a practical advantage in compact builds or systems with limited M.2 cooling. The drive includes an onboard DRAM cache and fits the standard M.2 2280 form factor on a single-sided PCB.
Patriot offers the PV593 in 1 TB, 2 TB, and 4 TB capacities. As with most TLC-based SSDs, the larger capacities benefit from more NAND die, which improves sustained write performance and endurance ratings. The 1 TB model is the entry point — a good fit for enthusiasts and early adopters who want PCIe 5.0 speeds on a platform with limited M.2 slots. The single-sided PCB layout helps with laptop compatibility, though the PCIe 5.0 power draw should be verified against the laptop's M.2 slot power budget.
The main competitors in this performance class are the Crucial T705 (Phison E26), Corsair MP700 Pro (Phison E26), and the WD Black SN850X (PCIe 4.0, often cross-shopped on price). The PV593's distinguishing factor is the SM2508 controller, which runs cooler and draws less power than E26-based alternatives — a meaningful advantage in compact builds, ITX systems, or anywhere the M.2 slot sits under a hot GPU.
✅ Storage Comparisons:
🚀 Performance and benchmarks
Patriot rates the PV593 1 TB at up to 14,500 MB/s sequential reads and 14,000 MB/s sequential writes. These numbers are among the highest claimed by any consumer NVMe SSD and sit close to the practical limit of the PCIe 5.0 x4 bus. The SM2508 controller's 4-channel architecture achieves these speeds through high clock rates and efficient NAND interfacing rather than raw channel count.
Patriot Viper PV593 1 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 1 TB (this drive): 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
- PNY XLR8 CS3140 2 TB: 7,500 MB/s read, 6,850 MB/s write
In real-world use, the difference between 14,500 MB/s and 12,400 MB/s (typical of E26 drives) is only visible during sustained sequential transfers of very large files. For random I/O, gaming, and everyday desktop tasks, the PV593 performs similarly to other high-end NVMe drives. The SLC write cache absorbs burst writes well; once it fills, write speeds settle to the native TLC rate, which is competitive within the PCIe 5.0 class.
The lower power draw of the SM2508 compared to the Phison E26 is the more practical advantage — it means the PV593 is less likely to throttle under sustained loads in systems with modest M.2 cooling, and it runs cooler in general operation.
🖥️ Endurance and warranty
Patriot covers the Viper PV593 with a 3-year limited warranty, which is shorter than the 5-year terms offered by Crucial and Samsung on competing drives — a notable trade-off given the PV593's premium positioning. The endurance rating for the 1 TB model is listed at 2.5 PBW (2,500 TBW), which is generous for a 1 TB drive and reflects the efficiency of Micron's G8 TLC NAND. At a typical consumer write workload of 20 GB per day, the endurance rating translates to over 340 years — far beyond any realistic use scenario. The warranty period is the binding constraint for most users. Patriot handles warranty claims through its standard RMA process, which typically involves shipping the drive to an authorized service center.
📊 Specs
| Category | Value |
|---|---|
| Capacity [?] | 1 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 1 TB is a compelling PCIe 5.0 drive thanks to the Silicon Motion SM2508 controller, which delivers top-tier sequential speeds with lower power consumption and heat output than Phison E26 alternatives. Builders with PCIe 5.0 M.2 slots who want maximum speed without aggressive cooling requirements should shortlist this drive. The main caveat is the 3-year warranty, which is shorter than the 5-year terms offered by some competitors. If warranty length matters, the Crucial T705 offers similar performance with a 5-year term — though typically at a higher price. At the right price point, it is one of the most practical PCIe 5.0 drives available for thermally constrained builds.
+ Pros
- 14,500 MB/s rated sequential reads
- Silicon Motion SM2508 runs cooler than Phison E26
- Lower power draw than 8-channel PCIe 5.0 controllers
- Micron G8 (232-layer) TLC NAND
- DRAM cache included
- Available in up to 4 TB
- Cons
- 3-year warranty vs 5 years on some competitors
- Requires PCIe 5.0 slot for rated speeds
- 1 TB has less sustained write headroom than 2 TB and 4 TB
- No included heatsink
🛒 Buy this or similar SSD Storage:
✨ Video Review
PCIe 5.0 эксклюзив! Обзор SSD Viper PV593 1TB (PV593P1TBM28H)
