The P220 delivers sequential read and write speeds of up to 550MB/s and 500MB/s, along with random 4K performance of up to 50,000 IOPS. That’s enough for responsive everyday computing — faster boot times, quicker application launches, and generally snappier system feel versus a spinning hard drive. Benchmarking confirms the drive tracks close to its rated speeds under real-world conditions.

A Full 1TB — Not 960GB

Worth mentioning: the P220 offers a full 1024GB, unlike the reduced 960GB versions where some space is reserved for service tasks. If you’re comparing on raw capacity, you’re getting slightly more usable space here than similarly-priced 960GB alternatives.

DRAM-less Design — Know What You’re Buying

Independent teardown analysis shows the P220 1TB uses a Silicon Motion SM2259XT controller paired with Hynix 96-layer 3D TLC NAND. The SM2259XT is a bufferless (DRAM-less) controller — there’s no dedicated RAM cache on this drive. Controllers with integrated operational buffers are used instead of separate RAM chips, which positively influences the cost. For typical desktop and laptop workloads — OS, applications, documents, media — this is perfectly adequate. For sustained large sequential writes, a DRAM-cached drive like the Kingston KC600 will hold its speed more consistently.

S.M.A.R.T. and TRIM Support

The P220 includes TRIM and S.M.A.R.T. support — TRIM keeps the drive tidy by clearing unused blocks in the background, while S.M.A.R.T. gives your system visibility into drive health, letting you catch potential issues before they become failures.

SATA only — this is a 2.5″ SATA III drive, not NVMe. It will not fit an M.2 slot. Confirm your system has a 2.5″ SATA bay before ordering.

No DRAM cache — the P220 is a DRAM-less design. Fine for everyday use, but if you regularly move large files or run write-heavy workloads, consider a DRAM-cached option like the Kingston KC600 for more consistent sustained performance.

Warranty note — the P220 is backed by Patriot’s 3-year limited warranty. As with all Patriot products, the warranty is also conditional on the TBW endurance limit not being reached first.

Key Highlights

• Capacity: 1TB (full 1024GB)
• Form Factor: 2.5″ (7mm height)
• Interface: SATA III (6Gb/s), backwards compatible with SATA II
• Sequential Read/Write: Up to 550 / 500 MB/s
• Random 4K Read/Write: Up to 50,000 / 50,000 IOPS
• NAND: Hynix 96-layer 3D TLC
• Controller: Silicon Motion SM2259XT (DRAM-less)
• DRAM Cache: None
• TRIM: Supported
• S.M.A.R.T.: Supported
• TBW: 480TB
• Operating Temp: 0°C – 70°C
• Warranty: 3-year limited

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