# Patriot Viper VPN110 512 GB: PCIe 3.0 gaming NVMe with DRAM and heatshield (2026)

The Patriot Viper VPN110 512 GB is a PCIe 3.0 x4 NVMe SSD built on the Phison PS5012-E12S controller with a DRAM cache and Kioxia 64-layer 3D TLC NAND, rated 3,300 MB/s reads and 3,000 MB/s writes with 800 TBW of endurance and a 3-year warranty. It ships with a low-profile graphene heatshield.

Quick answer: The Patriot Viper VPN110 512 GB is a well-rounded PCIe 3.0 x4 gaming NVMe drive: the proven Phison E12S controller, a real DRAM cache, Kioxia 64-layer 3D TLC NAND, an 800 TBW endurance rating, a 3-year warranty, and a low-profile graphene heatshield.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 512 GB |
| Interface | M.2 3.0 x 4 |
| Controller | Phison PS5012-E12S |
| Memory type | Kioxia TLC |
| DRAM cache | Yes |
| Sequential read | 3300 MB/s |
| Sequential write | 3000 MB/s |
| Random read IOPS | 600000 |
| Random write IOPS | 600000 |
| Endurance | 800 TBW |
| MTBF | 2000000 |
| Warranty | 3 years |

## Performance

The Viper VPN110 512 GB is rated at 3,300 MB/s sequential reads and 3,000 MB/s sequential writes over PCIe 3.0 x4, with 600,000 random read and 600,000 random write IOPS at 4K. Reads are close to the practical ceiling of the Gen3 interface.

For the workloads users actually feel — booting, launching applications, loading games — the DRAM cache and random-I/O performance matter more than peak sequential bandwidth, and the E12S handles them well. The 512 GB capacity carries a moderate SLC write cache; sustained transfers larger than the cache fall back to native TLC write speed, which is normal behaviour for a TLC drive at this capacity. The graphene heatshield helps the drive avoid thermal throttling during longer writes in warm enclosures.

## Endurance, TBW & Warranty

Patriot covers the Viper VPN110 with a 3-year warranty. The 512 GB model is rated for 800 TBW (terabytes written), matching the identically-equipped VPN100, and coverage ends at whichever limit comes first: three years from purchase or 800 TBW of cumulative writes.

At a typical 30 GB of writes per day, reaching 800 TBW would take more than 70 years, so the 3-year term is the binding limit for any realistic consumer workload. Even at a sustained 100 GB per day the endurance rating spans roughly 22 years. The TBW ceiling is not a practical concern for desktop or laptop use; the warranty length is.

## Pros and Cons

**Pros:**

- Phison PS5012-E12S controller with a dedicated DRAM cache
- Kioxia 64-layer 3D TLC NAND rather than QLC
- 3,300/3,000 MB/s, near the PCIe 3.0 x4 ceiling
- 800 TBW endurance with a 3-year warranty
- Low-profile graphene heatshield included
- DRAM cache, unlike many DRAM-less budget rivals
**Cons:**

- PCIe 3.0 only — no benefit on Gen4 or Gen5 platforms
- Sustained write drops to TLC speed once the SLC cache fills
- 512 GB is a tight primary drive for a large modern game library
- Gen4 drives are often similarly priced on current platforms
- Heatshield is a thin label, not a full heatsink


## Verdict

The Patriot Viper VPN110 512 GB is a well-rounded PCIe 3.0 x4 gaming NVMe drive: the proven Phison E12S controller, a real DRAM cache, Kioxia 64-layer 3D TLC NAND, an 800 TBW endurance rating, a 3-year warranty, and a low-profile graphene heatshield.

It belongs in a PCIe 3.0 system, where its DRAM-equipped design edges out DRAM-less budget rivals and its heatshield aids thermals in tight builds. Buyers on PCIe 4.0 or 5.0 platforms who want peak speed should pick a Gen4 drive, and those wanting more capacity should look at the 1 TB or 2 TB VPN110. As a 512 GB Gen3 upgrade, it is a solid, value-oriented choice.

## Frequently Asked Questions

### What controller does the Patriot Viper VPN110 use?

The Viper VPN110 uses the Phison PS5012-E12S, an eight-channel PCIe 3.0 NVMe controller (four CE per channel) with dual ARM Cortex-R5 cores and a dedicated DRAM cache. A database entry listing '4 Channel' is incorrect — that refers to the PCIe x4 lane count, not the NAND channel count, which is eight. The VPN110 pairs the E12S with Kioxia 64-layer 3D TLC NAND.

### Is the Viper VPN110 a PCIe 4.0 SSD?

No. The VPN110 is a PCIe 3.0 x4 drive, confirmed by the Phison E12S controller and Patriot's specifications. A database entry listing Gen4 is a parser error. In a Gen4 or Gen5 slot it runs at PCIe 3.0 speeds, so a newer platform brings no performance benefit.

### What is the difference between the VPN110 and VPN100?

They share the same hardware — the Phison E12S controller, DRAM cache, and Kioxia 64-layer 3D TLC NAND. The VPN110 adds a thin graphene heatshield label for improved thermal spreading while staying within standard M.2 height. Performance and endurance ratings are effectively identical between the two.

### What is the TBW endurance of the VPN110 512 GB?

The 512 GB model is rated for 800 TBW (terabytes written), matching the identically-equipped VPN100 512 GB. The warranty covers whichever comes first: 3 years or 800 TBW. At 30 GB written per day it would take over 70 years to reach 800 TBW, so the 3-year warranty is the practical limit, not the endurance rating.

### Does the VPN110 have a DRAM cache?

Yes. The VPN110 includes a dedicated DRAM cache paired with the Phison E12S controller. The DRAM stores the address-mapping table in on-board memory, which provides more consistent random-access latency than DRAM-less drives that borrow system RAM through the host memory buffer. This is a notable advantage over many budget PCIe 3.0 competitors.

### Will the Viper VPN110 work in a PlayStation 5?

No. The PS5's M.2 expansion slot requires a PCIe 4.0 NVMe SSD with around 5,500 MB/s sustained reads. The VPN110 is a PCIe 3.0 drive rated 3,300 MB/s, below the console's requirement. It is intended for PC use in PCIe 3.0 systems.

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Last updated: 2026-06-13. Source: https://ssdrive.net/patriot-viper-vpn110-512-gb