Patriot Viper PV573 4TB Review — Blower-Cooled Gen5 Storage (2026)
Quick answer
The Patriot Viper PV573 4TB makes sense for a Gen5 desktop owner who needs 4 TB of very fast storage and does not mind powering a blower fan: video editors, AI dabblers, and library builders are the target.
Read: 14000 MB/s Write: 12000 MB/s Endurance: 3000 TBW Warranty: 5 years Interface: M.2 5.0 x 4
The Patriot Viper PV573 4TB pairs a rated 14,000/12,000 MB/s of PCIe 5.0 bandwidth with its own blower fan — a 4 TB Gen5 drive that cools itself.
Controller & Memory
The Patriot Viper PV573 4TB is Patriot's statement piece for PCIe 5.0: an InnoGrit IG5666 controller — the platform named in Patriot's own SKU sheet and retail listings — paired with 232-layer TLC NAND and 4 GB of DDR4 DRAM on this 4 TB model. Rated throughput is 14,000 MB/s sequential read and 12,000 MB/s write over PCIe 5.0 x4 with NVMe 2.0 compliance, alongside random ratings of 2,000K reads and 1,650K writes. The drive stays usable in older systems too, since it drops to PCIe 4.0 or 3.0 speeds in compatible boards.
The cooler is the story. A 16.5 mm two-layer aluminum heatsink houses a blower fan — specified at 8,000 RPM in Tom's Hardware's coverage, with a 25,000-hour fan life cited at launch — that Patriot claims improves cooling by more than 40 percent over a passive heatsink. Two consequences follow: the drive needs its own power connection beyond the M.2 slot, and it cannot fit a PS5, whose clearance limit is 11.25 mm with a heatsink. The range covers just two capacities, 2 TB and 4 TB.
The audience is a prosumer desktop: video editors moving 4K timelines, AI workloads, and gamers building a 4 TB library on a Gen5 platform. Direct competition includes the TeamGroup T-Force GE Pro on the same IG5666 controller, plus the Crucial T705 and Corsair MP700 Pro. One caveat: independent retail benchmarks of the PV573 remain scarce, so most published figures are manufacturer ratings — performance impressions should be read with that in mind.
Storage Comparisons:
Viper PV573 Performance & Benchmarks
Patriot rates the Viper PV573 4TB at 14,000 MB/s sequential reads and 12,000 MB/s writes, with 2,000K random-read and 1,650K random-write IOPS — figures from the launch spec sheet, mirrored across retail listings. Independent benchmarks of retail units are still scarce, so this section leans on rated numbers rather than measured runs; treat the figures as manufacturer ceilings.
Patriot Viper PV573 4 TB vs M.2 5.0 x 4 peers
Switch between sequential throughput and random IOPS to see how this drive stacks up against other M.2 5.0 x 4 SSDs in our database. The highlighted bar is the drive on this page — click any other bar to open that drive.
- Kioxia Exceria Pro G2 2 TB: 14,900 MB/s read, 13,400 MB/s write
- Kioxia Exceria Pro G2 4 TB: 14,900 MB/s read, 13,700 MB/s write
- PNY XLR8 CS3250 1 TB: 14,900 MB/s read, 13,500 MB/s write
- PNY XLR8 CS3250 2 TB: 14,900 MB/s read, 14,000 MB/s write
- Patriot Viper PV573 4 TB (this drive): 14,000 MB/s read, 12,000 MB/s write
The platform's expected character is easier to describe. The IG5666 is an eight-channel Gen5 controller, and with 4 GB of DDR4 DRAM holding the flash translation tables, sustained behavior should be far more stable than DRAM-less Gen5 designs that collapse once the SLC cache empties. The 4 TB of TLC NAND also gives the controller deep parallelism, which is where large-drive sustained writes traditionally gain. On a Gen4 board, the same drive runs at roughly half these ceilings. For the intended workloads — 4K video scrubbing, large dataset moves, DirectStorage-style asset streaming, and multi-hundred-gigabyte game installs — the rated headroom is real even though game load times will look identical to a fast PCIe 4.0 drive. The blower cooler exists because this class of controller draws serious power under load; Newegg's listing puts active power around 12 W.
Patriot Viper PV573 vs Competitors
See how the Viper PV573 stacks up against other M.2 5.0 x 4 drives in our database:
Compare with rival drives:
Endurance, TBW & Warranty
Patriot rates the Viper PV573 4TB at 3,000 TBW of total writes, among the highest endurance budgets available in a consumer drive, under a 5-year global warranty. At a heavy 50 GB of writes per day, the budget stretches beyond 160 years, so the warranty term — not the NAND — is the practical limit for any realistic desktop workload. Patriot specifies 4K LDPC error correction and advanced wear leveling to back the rating. The blower fan itself is rated for 25,000 hours of operation per launch coverage, and because it is part of the cooling solution rather than an accessory, keep it unobstructed in the case. Warranty claims run through Patriot's global support network, with the five-year term applying worldwide per the launch announcement.
Patriot Viper PV573 4 TB Specifications
| Category | Value |
|---|---|
| Capacity [?] | 4 TB |
| Interface [?] | M.2 5.0 x 4 |
| Controller [?] | Innogrit IG5666 |
| Memory type [?] | 232-layer 3D TLC |
| DRAM [?] | Yes |
| Read speed (MB/s) [?] | 14000 |
| Write speed (MB/s) [?] | 12000 |
| Read IOPS [?] | 2000000 |
| Write IOPS [?] | 1650000 |
| Endurance (TBW) [?] | 3000 |
| MTBF (million hours) [?] | n/a |
| Warranty (years) [?] | 5 |
Verdict: Is the Viper PV573 Worth It in 2026?
The Patriot Viper PV573 4TB makes sense for a Gen5 desktop owner who needs 4 TB of very fast storage and does not mind powering a blower fan: video editors, AI dabblers, and library builders are the target. Skip it for a PS5 — the 16.5 mm cooler physically exceeds Sony's 11.25 mm limit — for cramped small-form-factor cases, or if waiting for independent benchmark coverage of retail units matters. The Crucial T705 4TB is the established alternative with slightly higher rated speeds and a long review record, while the TeamGroup T-Force GE Pro shares the same IG5666 platform. We would call the PV573 a well-engineered niche play: exceptional rated endurance and self-cooling, with real-world proof still to come.
+ Pros
- Rated 14,000/12,000 MB/s on PCIe 5.0 x4
- 3,000 TBW endurance on the 4TB model
- 5-year global warranty
- 4 GB DDR4 DRAM cache on board
- 2,000K random-read IOPS rating
- Blower fan rated for 25,000 hours
- Cons
- 16.5 mm cooler exceeds the PS5's 11.25 mm limit
- Blower fan needs its own power connection
- Draws around 12 W under load
- No independent retail benchmarks published yet
- NAND vendor not officially named
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