1. Introduction2. Sabrent Rocket 4 Plus 4TB3. Testing Methodology4. CrystalDiskMark5. ATTO Disk Benchmark6. AS SSD7. IOMETER8. 128KB Sequential Performance9. 4K Random Read v QD Performance10. 4K Random Write v QD Performance11. 4K 70/30 Mixed Performance12. Throughput13. Performance Stability14. PCMark 10 Full System Drive Benchmark15. Real Life File Testing16. Closing Thoughts17. View All Pages

Sabrent's current flagship for the Rocket 4 Plus SSD series is the 4TB model. We've already looked at the 1TB and 2TB drives that make up the rest of the family, so let's see how the big one stacks up. Can it justify an asking price of almost £800?

The 4TB Rocket 4 Plus heads up a three drive range, the other two being 1TB and 2TB capacities. At the heart of the drive is a second-generation Phison PCIe Gen 4 controller, the PS5018-E18. In the case of the 4TB model, this looks after eight packages of 96-layer 3D TLC NAND and a couple of DRAM cache chips.

Sabrent quote Sequential read/write speeds for the 4TB drive as up to 7,200MB/s and up to 6,900MB/s respectively. 4K random performance is listed as up to 650,000 IOPS for reads and up to 700,000 IOPS for writes.

Sabrent rate the endurance of the 4TB drive at 2,800TBW and back the drive with a 1-year warranty although if you register the drive with them you get a full 5-year warranty.

Physical Specifications:

• Usable Capacities: 4TB
• NAND Components: Micron B27B 96-layer 3D TLC NAND.
• NAND Controller: Phison PS5018-E18.
• Cache: 4GB DDR4.
• Interface: PCI-e Gen 4 x4 NVMe 1.4.
• Form Factor:  M.2 2280.
• Dimensions: 22 x 80 x 2.25mm.

Firmware Version: RKT4P1.2

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