Inland Performance Plus 4TB: flagship speed, big warranty (2026)
Quick answer
The Inland Performance Plus 4TB suits gamers, PS5 owners, and content creators who want flagship-tier PCIe 4.0 speed, a DRAM cache, and an unusually long 6-year warranty without paying full flagship prices.
Read: 7000 MB/s Write: 6800 MB/s Endurance: 3000 TBW Warranty: 6 years Interface: M.2 4.0 x 4
The Inland Performance Plus 4TB pairs flagship-tier PCIe 4.0 speed and a DRAM cache with an unusually generous 6-year warranty, at Micro Center's typically lower price.
Controller & Memory
Inland builds the Performance Plus around a Phison PS5018-E18 eight-channel controller with a DRAM cache, marketed specifically as PS5-optimized storage. It connects over PCIe 4.0 x4 in the standard M.2 2280 form factor. Reviewers have documented at least three NAND revisions shipped under this same model name over its production life - Micron 96-layer TLC, Kioxia/Toshiba 112-layer BiCS5, and a newer 176-layer TLC - so exact benchmark numbers can vary slightly depending on which batch a buyer receives.
The Performance Plus line also ships in 1 TB, 2 TB, and 8 TB capacities, and Sony's PS5 officially supports expansion drives up to 8 TB, so every capacity in the line - including this 4TB model - fits within that limit. Endurance scales with capacity, from roughly 1,400 TBW at 2 TB to 3,000 TBW at 4 TB and 6,000 TBW at 8 TB, and the 6-year warranty stays consistent across every capacity in the range.
Inland is Micro Center's in-house storage brand, and the Performance Plus competes at the flagship tier against DRAM-equipped Phison E18-class rivals like the Samsung 990 Pro and WD Black SN850X, both of which are more widely available outside Micro Center's own retail channel but typically carry shorter warranty terms and less generous rated endurance.
Storage Comparisons:
Performance Plus Performance & Benchmarks
Inland rates the Performance Plus 4TB at up to 7,000 MB/s sequential reads and 6,800 MB/s sequential writes over PCIe 4.0 x4, flagship-tier numbers backed by a DRAM cache for consistent mapping-table performance. Random IOPS figures aren't reliably confirmed for this specific capacity and NAND revision, so treat any specific number quoted elsewhere with some caution rather than as a guaranteed figure.
Inland Performance Plus 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
- Inland Performance Plus 4 TB (this drive): 7,000 MB/s read, 6,800 MB/s write
The DRAM cache and Phison E18 controller combination is a proven, well-reviewed pairing that holds up well under sustained workloads compared to DRAM-less budget drives, since the drive doesn't need to borrow system RAM for its mapping tables. This matters most during large, sustained file operations, where DRAM-less drives can stumble once their cache exhausts. For gaming, large file transfers, and content-creation work, the Performance Plus 4TB delivers speeds competitive with better-known flagship drives, and its PS5 optimization claim is backed by genuinely capable sequential read performance well above Sony's guidance.
Inland Performance Plus vs Competitors
See how the Performance Plus stacks up against other M.2 4.0 x 4 drives in our database:
Compare with rival drives:
Endurance, TBW & Warranty
Inland backs the Performance Plus 4TB with 3,000 TBW of rated write endurance, roughly double the 2TB model's 1,400 TBW rating. At a typical 20-50 GB of writes per day, that endurance budget lasts roughly 164 to 411 years before hitting the rated limit, making endurance essentially a non-issue for any realistic ownership period. The MTBF rating is 2,000,000 hours, a statistical reliability figure describing failure rates across a large population of drives rather than a promise for any individual unit.
Warranty coverage is 6 years, a full year longer than the industry-standard 5 years most brand-name flagship drives offer, and one of the Performance Plus line's strongest selling points regardless of which NAND revision a given unit ships with.
Inland Performance Plus 4 TB Specifications
| Category | Value |
|---|---|
| Capacity [?] | 4 TB |
| Interface [?] | M.2 4.0 x 4 |
| Controller [?] | Phison PS5018-E18 8 Channel |
| Memory type [?] | Micron 96-L TLC |
| DRAM [?] | Yes |
| Read speed (MB/s) [?] | 7000 |
| Write speed (MB/s) [?] | 6800 |
| Read IOPS [?] | 7000000 |
| Write IOPS [?] | 6800000 |
| Endurance (TBW) [?] | 3000 |
| MTBF (million hours) [?] | 2000000 |
| Warranty (years) [?] | 6 |
Verdict: Is the Performance Plus Worth It in 2026?
The Inland Performance Plus 4TB suits gamers, PS5 owners, and content creators who want flagship-tier PCIe 4.0 speed, a DRAM cache, and an unusually long 6-year warranty without paying full flagship prices. It's a slightly riskier pick for buyers who want guaranteed consistency across purchases, since Inland has shipped multiple NAND revisions under this same model name over time. Buyers who want a single, unchanging spec sheet from a bigger brand should look at the Samsung 990 Pro or WD Black SN850X. Overall, the Performance Plus 4TB backs up its speed claims with genuinely strong endurance and warranty terms that outlast most name-brand competitors.
+ Pros
- 7,000 MB/s sequential reads on PCIe 4.0
- 3,000 TBW endurance, double the 2TB model
- 6-year warranty, longer than most flagship rivals
- DRAM cache for consistent sustained performance
- Largest PS5-compatible capacity in the Performance Plus line
- Cons
- Multiple NAND revisions ship under the same model name
- Random IOPS figures not reliably confirmed
- Mainly sold through Micro Center's own retail channel
- 8TB sibling reportedly has a lower rated write speed
Buy this or similar SSD Storage:
Video Review
Inland Performance Plus 1TB review plus Playstation 5 performance
