Fantom Venom8 4TB: flagship Gen4 capacity and endurance (2026)
The Fantom Venom8 4 TB is the largest, most durable drive in Fantom's budget-premium Gen4 line, pairing 7,400 MB/s reads with the Phison E18, a DRAM cache, and a huge 3,000 TBW endurance rating.
Controller & Memory
The Fantom Venom8 4 TB is the top capacity of Fantom's budget-premium PCIe 4.0 line, and it keeps the same flagship hardware as its cheaper siblings. Inside the M.2 2280 module sit Phison's PS5018-E18 eight-channel controller, Micron's 176-layer 3D TLC NAND, and an SK hynix DDR4 DRAM cache, the same recipe as the WD Black SN850X and Seagate FireCuda 530, at a fraction of the price. Rated at 7,400 MB/s sequential reads and 6,900 MB/s writes over PCIe 4.0 x4, it matches the flagship Gen4 spec sheet.
The Venom8 ships in 1 TB, 2 TB, and 4 TB. The 4 TB is the capacity and endurance flagship, carrying the line's biggest endurance figure: 3,000 TBW, compared with 700 TBW on the 1 TB and 1,400 TBW on the 2 TB. StorageReview noted that is nearly four times the endurance of Crucial's 4 TB P3, which is rated at 800 TBW. All three carry a five-year warranty and support AES 256-bit encryption.
Because it crams four terabytes onto one M.2 card, the 4 TB is a double-sided module, so it may not fit ultra-thin laptops with no clearance above the slot, though it drops into any desktop with standard M.2 room. For a content creator, a hoarder of game libraries, or anyone running a large project cache, the 4 TB Venom8 offers a rare combination: flagship Gen4 performance, a DRAM cache, huge endurance, and budget pricing. It is one of the most compelling large-capacity values on PCIe 4.0.
Storage Comparisons:
Venom8 Performance & Benchmarks
On the 4 TB Venom8, Fantom rates sequential reads at 7,400 MB/s and writes at 6,900 MB/s over PCIe 4.0. No official random-IOPS rating is published, but StorageReview's testing of the 2 TB measured 679,000 4K random read IOPS and a leading 598,000 write IOPS, and the 4 TB shares the same E18 platform.
Fantom Venom8 4 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: 14,500 MB/s read, 14,000 MB/s write
- Patriot Viper PV593 2 TB: 14,500 MB/s read, 14,000 MB/s write
- Patriot Viper PV593 4 TB: 14,500 MB/s read, 14,000 MB/s write
- Patriot Viper PV573 2 TB: 14,000 MB/s read, 12,000 MB/s write
- Fantom Venom8 4 TB (this drive): 7,400 MB/s read, 6,900 MB/s write
In daily use the drive is exceptionally quick. Game load times are bounded by the CPU and asset decompression once a drive clears about 3,000 MB/s, so the Venom8's bandwidth is never the bottleneck, and the E18 platform's strong 4K performance keeps system responsiveness high. The 4 TB's real advantage is sustained throughput and capacity: a large SLC cache absorbs long contiguous writes at full speed, and the huge 3,000 TBW rating means the drive can soak up constant heavy writes for years.
Like every TLC NVMe drive, the Venom8 runs an SLC cache that absorbs writes at full speed until it fills, then settles to the native TLC rate. The Phison E18 platform runs warm under sustained load, and on a 4 TB module with more NAND in play, a motherboard heatsink is worth fitting. For a large game library, a video editing drive, or a project cache, the 4 TB Venom8 delivers flagship-class performance at budget pricing.
Fantom Venom8 vs Competitors
See how the Venom8 stacks up against other M.2 4.0 x 4 drives in our database:
Compare with rival drives:
Endurance, TBW & Warranty
Fantom backs the Venom8 4 TB with a five-year limited warranty, limited by the drive's 3,000 TBW endurance rating, whichever comes first. That 3,000 TBW is the largest in the line and one of the highest figures on any consumer PCIe 4.0 drive, roughly four times the Crucial P3 4 TB's 800 TBW. At a heavy 100 GB per day of writes, the 4 TB would need about 82 years to exhaust its NAND, so the flash will outlast the warranty in any realistic workload. Endurance scales with capacity: 700 TBW on the 1 TB and 1,400 TBW on the 2 TB. Fantom rates the drive at 1.6 million hours MTBF, a population statistic rather than a promise about a single unit. Returns are handled through Fantom or the retailer, and the bare 4 TB ships without a heatsink, so motherboard M.2 cooling is recommended for sustained use.
Fantom Venom8 4 TB Specifications
| Category | Value |
|---|---|
| Capacity [?] | 4 TB |
| Interface [?] | M.2 4.0 x 4 |
| Controller [?] | Phison E18 8 Channel |
| Memory type [?] | Micron 176-L TLC |
| DRAM [?] | Yes |
| Read speed (MB/s) [?] | 7400 |
| Write speed (MB/s) [?] | 6900 |
| Read IOPS [?] | n/a |
| Write IOPS [?] | n/a |
| Endurance (TBW) [?] | 3000 |
| MTBF (million hours) [?] | 1600000 |
| Warranty (years) [?] | 5 |
Verdict: Is the Venom8 Worth It in 2026?
Buy the Fantom Venom8 4 TB for a content-creation workstation, a large game library, or a project cache that needs genuine Gen4 flagship performance, a DRAM cache, and the huge 3,000 TBW endurance headroom, without paying flagship money. Skip it when only a fast boot drive is needed, since the 1 TB or 2 TB is more than enough and the 4 TB's double-sided PCB may not fit thin laptops. The direct alternative is the WD Black SN850X 4 TB, which matches performance and costs considerably more, while a Crucial P3 4 TB is the budget QLC route for pure bulk storage. We rate the 4 TB Venom8 an outstanding large-capacity value for creators and gamers who will actually use the space.
+ Pros
- 4 TB capacity on a single M.2 drive
- 7,400 MB/s reads and 6,900 MB/s writes
- Phison E18 with Micron 176-layer TLC
- SK hynix DDR4 DRAM cache
- 3,000 TBW endurance, huge for the class
- Five-year limited warranty
- Cons
- Double-sided PCB may not fit thin laptops
- No published random-IOPS rating
- Bare version ships without a heatsink
- Budget brand, limited service network
Buy this or similar SSD Storage:
Video Review
Fantom Drives VENOM8 4TB M.2 SSD
