# Inland Performance Plus 4TB: flagship speed, big warranty (2026)

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.

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. 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.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 4 TB |
| Interface | M.2 4.0 x 4 |
| Controller | Phison PS5018-E18 8 Channel |
| Memory type | Micron 96-L TLC |
| DRAM cache | Yes |
| Sequential read | 7000 MB/s |
| Sequential write | 6800 MB/s |
| Random read IOPS | 7000000 |
| Random write IOPS | 6800000 |
| Endurance | 3000 TBW |
| MTBF | 2000000 |
| Warranty | 6 years |

## Performance

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.

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.

## 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.

## Pros and Cons

**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


## Verdict

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.

## Frequently Asked Questions

### Is the Inland Performance Plus 4TB good for gaming?

Yes - its DRAM cache and flagship-tier Phison E18 controller deliver consistent performance under heavy multitasking, and 7,000 MB/s comfortably outruns SATA and most PCIe 3.0 drives for game load times. 4 TB is also enough room for a very large modern game library without needing a second drive.

### Is the Inland Performance Plus 4TB compatible with the PS5?

Yes - it's explicitly marketed as PS5-optimized, and its 7,000 MB/s rated sequential read comfortably clears Sony's suggested 5,500 MB/s minimum for expansion storage. Sony's PS5 officially supports expansion drives up to 8TB, so every capacity in the Performance Plus line, including this 4TB model, fits within that limit.

### Does the Inland Performance Plus have a DRAM cache?

Yes, it includes a dedicated DRAM cache, which helps keep the mapping table fast and delivers more consistent performance under heavy multitasking than DRAM-less budget rivals. This is a genuine advantage over many similarly-priced drives that skip DRAM entirely to cut costs, especially during large sustained file transfers.

### What is the TBW endurance and warranty of the Inland Performance Plus 4TB?

Inland rates the 4TB Performance Plus at 3,000 TBW (terabytes written), backed by a 6-year limited warranty - a full year longer than the industry-standard 5 years most flagship rivals offer. At a typical 20-50 GB of writes per day, that endurance budget lasts well over a century before reaching the rated limit.

### Does the Inland Performance Plus 4TB need a heatsink?

Check the specific listing before buying, since Inland sells both bare and heatsink-equipped versions of the Performance Plus line under similar naming. For desktop use under sustained heavy write workloads, a heatsink helps maintain peak sustained speeds; for laptops or the PS5, a bare or low-profile version fits better without clearance issues.

### Why do Inland Performance Plus benchmarks vary between reviews?

Independent reviewers have documented at least three different NAND revisions shipped under the same Performance Plus name over its production life - Micron 96-layer, Kioxia/Toshiba 112-layer BiCS5, and a newer 176-layer TLC. That explains small differences in measured sequential speed between review sites; the endurance and warranty terms have stayed consistent across revisions.

### How does the Inland Performance Plus 4TB compare to the Samsung 990 Pro?

Both are DRAM-equipped, Phison E18-class or comparable flagship PCIe 4.0 drives with similar rated sequential speeds, but the Performance Plus's 6-year warranty and 3,000 TBW endurance rating are notably stronger than the 990 Pro's typical terms for the same capacity. The Samsung carries a longer independent review track record and broader retail availability outside Micro Center.

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Last updated: 2026-08-17. Source: https://ssdrive.net/inland-performance-plus-4-tb