Sabrent Rocket 4 Plus 2TB — High-Performance PCIe 4.0 NVMe

Posted on May 23, 2026 by Raymond Chen

The Sabrent Rocket 4 Plus 2 TB is the capacity where this Phison E18 platform flexes its full muscle — 7,100 MB/s reads, 7,000 MB/s writes, and 1 million random write IOPS from Micron 96L TLC NAND with a 1,400 TBW endurance rating.

Sabrent Rocket 4 Plus 2TB — High-Performance PCIe 4.0 NVMe

The 2 TB Rocket 4 Plus sits at the performance sweet spot of the series. Eight NAND die per channel give the Phison PS5018-E18 controller maximum parallelism, pushing sequential writes to 7,000 MB/s — essentially saturating the PCIe 4.0 x4 bus. The Micron 96-layer TLC NAND and SK Hynix DDR4 DRAM are the same components used across the lineup, but the 2 TB model benefits from the deepest write queues and largest pseudo-SLC cache allocation.

The drive uses a double-sided M.2 2280 PCB, which may limit compatibility with some ultra-thin laptops that only accept single-sided modules. For desktops, PS5, and most laptops, the 2 TB capacity fits without issue. Also available in 500 GB, 1 TB, and 4 TB variants, with the 4 TB using the same controller but even more NAND die.

Competitors at 2 TB include the Samsung 980 Pro 2 TB, WD Black SN850X 2 TB, and Seagate FireCuda 530 2 TB. These drives trade benchmark wins in different tests, and real-world gaming performance is essentially identical across all of them. The Sabrent typically undercuts Samsung and WD on price while offering comparable endurance and warranty terms.

Sabrent offers the Rocket 4 Plus with or without an optional heatsink. The Phison E18 runs cooler than the older E16 thanks to its 12 nm process, but sustained write workloads still generate meaningful heat. A heatsink is recommended for systems without integrated M.2 cooling.

🚀 Performance and benchmarks

With 7,100 MB/s sequential reads, 7,000 MB/s sequential writes, 650K random read IOPS, and 1,000K random write IOPS, the Rocket 4 Plus 2 TB delivers near-maximum PCIe 4.0 performance. The 1 million write IOPS figure is the highest in the lineup and reflects the deep queue depth the E18 controller can exploit with 2 TB of NAND to manage. Guru3D's testing of the 2 TB model found consistent performance across synthetic and real-world benchmarks, with the Sabrent trading narrow wins and losses with the Samsung 980 Pro depending on the specific test.

Performance comparison

Sabrent Rocket 4 Plus 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 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
  • Sabrent Rocket 4 Plus 2 TB (this drive): 7,100 MB/s read, 7,000 MB/s write

Sustained write performance is a strength. After the pseudo-SLC cache fills — which takes approximately 100–150 GB of continuous writes at full speed — native TLC writes sustain at roughly 1,200–1,800 MB/s. This is a much smaller performance cliff than QLC drives face, and for most users the cache rarely exhausts during normal use. Content creators working with 4K video and large RAW photo batches will find the sustained write performance adequate for professional workflows.

🖥️ Endurance and warranty

The Sabrent Rocket 4 Plus 2 TB carries a 1,400 TBW endurance rating with a five-year warranty requiring product registration within 90 days. At 1,400 TBW, this works out to approximately 766 GB of writes per day over five years. For a 2 TB drive serving as both OS and game library, the actual daily writes are typically 30–80 GB, providing over a decade of rated endurance headroom. Even a professional content creator writing 300 GB/day would take nearly 13 years to exhaust the warranty limit. The drive supports S.M.A.R.T. health monitoring, and Sabrent includes Acronis True Image for drive migration.

📊 Specs

Category Value
Capacity [?] 2 TB
Interface [?] M.2 4.0 x 4
Controller [?] Phison PS5018-E18
Memory type [?] Micron 3D TLC
DRAM [?] SK Hynix DDR4 Cache
Read speed (MB/s) [?] 7100
Write speed (MB/s) [?] 7000
Read IOPS [?] 650000
Write IOPS [?] 1000000
Endurance (TBW) [?] 1400
MTBF (million hours) [?] 1800000
Warranty (years) [?] 5

Conclusion

The Sabrent Rocket 4 Plus 2 TB is a top-tier PCIe 4.0 drive that belongs in any conversation about the best consumer NVMe SSDs. Its 7,000 MB/s writes and 1 million random write IOPS are enthusiast-grade numbers, and the 1,400 TBW endurance rating provides long-term confidence. The trade-off against Samsung and WD alternatives is mostly brand preference and warranty registration hassle — performance is functionally identical. For a single-drive gaming and productivity build where you want capacity, speed, and reliability in one package, the Rocket 4 Plus 2 TB is an easy recommendation. Just remember to register it within 90 days.

+ Pros

  • 7,100 MB/s reads, 7,000 MB/s writes saturate PCIe 4.0
  • 1 million random write IOPS — highest in series
  • 1,400 TBW endurance with 5-year warranty
  • Micron 96L TLC NAND with strong sustained writes
  • SK Hynix DDR4 DRAM cache
  • Solid competitor to Samsung 980 Pro at lower price

- Cons

  • Double-sided PCB may not fit some thin laptops
  • Warranty drops to 1 year without registration
  • No included heatsink (optional variant available)
  • No hardware AES encryption
  • Phison E18 can run warm under sustained load

🛒 Buy this or similar SSD Storage:

Samsung 980 Pro 2 TB

-57% $165
List Price: $379.99

Buy on Amazon

✨ Video Review

INSANE SPEED: Sabrent Rocket 4 Plus 2 TB M.2 PCIe 4x4 nvme Review & Benchmark

⁉️ FAQ

Exceptional. The 7,100 MB/s read speed and 650K random read IOPS mean game loads are as fast as the PCIe 4.0 interface allows. At 2 TB, you can store 15–20 large AAA titles alongside the OS and applications. The drive handles DirectStorage workloads without issue, and its write performance ensures game installations and updates complete quickly. There is no practical gaming scenario where this drive is the bottleneck.

Yes, it exceeds Sony's requirements. The PS5 recommends PCIe 4.0 NVMe drives with at least 5,500 MB/s reads, and the Rocket 4 Plus delivers 7,100 MB/s. The bare drive (without optional heatsink) fits within Sony's 11.25 mm total height limit. If you purchase the heatsink variant, verify the combined height meets the PS5 specification. As a PS5 expansion drive at 2 TB, you can store 12–15 large games and load them at full speed.

The 2 TB model is rated for 1,400 TBW (terabytes written), covered by a five-year warranty with registration. At 1,400 TBW, that equals roughly 766 GB of writes per day for five years. A typical gaming desktop writes 30–60 GB/day, meaning the endurance will outlast the warranty by a wide margin. Even a professional user writing 500 GB/day would take over seven years to exhaust the rated endurance.

Most laptops with an M.2 NVMe slot will accept it, but check two things: first, the Rocket 4 Plus 2 TB uses a double-sided PCB, and some thin laptops only support single-sided M.2 drives. Second, PCIe 4.0 drives generate more heat than PCIe 3.0 models; laptops with limited M.2 cooling may see thermal throttling under sustained writes. For thick gaming laptops with M.2 cooling, the drive works great. For ultra-thin ultrabooks, verify clearance and cooling before purchasing.

Both are top-tier PCIe 4.0 TLC drives with similar headline numbers. The SN850X uses WD's in-house controller while the Rocket 4 Plus uses Phison's E18. In benchmarks, they trade narrow wins depending on the test — the differences are within margin of error for gaming and desktop use. The Sabrent typically costs less. The WD has a standard five-year warranty without registration requirements. Both are excellent choices; the decision often comes down to price and availability.

Yes, particularly at 2 TB. The 7,000 MB/s write speed handles multi-stream 4K and 8K footage imports, and the TLC NAND sustains 1,200–1,800 MB/s even after the SLC cache fills — enough for most professional video workflows. The 2 TB capacity provides room for OS, applications, and active project files. For heavy scratch-disk use with constant writes, the 1,400 TBW endurance ensures the drive can handle the workload over the warranty period without concern.
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