# Corsair MP600 Core 4TB — High-Capacity QLC NVMe SSD (2026)

The Corsair MP600 Core 4 TB is the flagship of Corsair's QLC PCIe 4.0 lineup, using dense Micron 96-layer NAND and the Phison E16 controller to deliver near-TLC performance at the highest capacity the series offers.

Quick answer: The Corsair MP600 Core 4 TB is the capacity where QLC PCIe 4.0 starts to justify itself. The 3,950 MB/s writes, 630K random read IOPS, and a large pseudo-SLC cache make this the most consistent performer in the Core lineup. Add 800 TBW endurance and a five-year warranty, and it becomes a strong contender for a high-capacity game library or media drive. The catch is the double-sided PCB, which rules out some laptops and single-sided M.2 slots. If your system can accommodate it, and you value capacity and price-per-GB over absolute peak write speed, the MP600 Core 4 TB is a practical alternative to pricier TLC options like the Samsung 990 Pro 4 TB. Content creators who constantly write large files should still lean toward TLC; everyone else will find little reason to pay more.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 4 TB |
| Interface | M.2 4.0 x 4 |
| Controller | Phison PS5016-E16 |
| Memory type | 3D QLC |
| DRAM cache | SK Hynix DRAM Cache |
| Sequential read | 4950 MB/s |
| Sequential write | 3950 MB/s |
| Random read IOPS | 630000 |
| Random write IOPS | 580000 |
| Endurance | 800 TBW |
| MTBF | 1.7 |
| Warranty | 5 years |

## Performance

The MP600 Core 4 TB leads its siblings with 4,950 MB/s sequential reads, 3,950 MB/s sequential writes, 630K random read IOPS, and 580K random write IOPS. These are the best numbers in the Core lineup and represent what the Phison E16 platform can achieve when given maximum NAND parallelism. AnandTech's testing of the 4 TB Sabrent Rocket Q4 — an identical platform — found that the large SLC cache on high-capacity QLC drives can absorb over 100 GB of writes before exhausting, after which speeds settle to QLC-native levels around 80–150 MB/s depending on the workload.

The real-world implication is that the 4 TB model is the only MP600 Core variant where QLC does not feel like a compromise for most users. Game loads, application launches, and typical desktop tasks are indistinguishable from TLC PCIe 4.0 drives. Even moderate file transfers stay within the SLC cache. Only sustained writes exceeding 100 GB — think cloning a full drive or exporting hours of 4K video — will trigger the QLC cliff, and even then the larger cache delays it significantly compared to the 1 TB model.

## Endurance, TBW & Warranty

Corsair rates the MP600 Core 4 TB at 800 TBW endurance with a five-year limited warranty. At 800 TBW, you can write approximately 438 GB per day for five years before reaching the rated limit. For a 4 TB drive used primarily as a game library and media storage — where most operations are reads — this is more than sufficient. The 1.7 million hour MTBF figure matches the rest of the Core series. Corsair's SSD Toolbox software provides S.M.A.R.T. health data, estimated remaining endurance, and firmware update capability. Warranty claims go through Corsair's online portal; the drive must be registered for the full five-year coverage.

## Pros and Cons

**Pros:**

- 4,950 MB/s reads, 3,950 MB/s writes — best in Core lineup
- 630K random read IOPS, 580K random write IOPS
- 800 TBW endurance with 5-year warranty
- Large pseudo-SLC cache absorbs 100+ GB sustained writes
- 2 GB LPDDR4 DRAM cache
- Factory heatsink included
**Cons:**

- Double-sided PCB may not fit thin laptops
- QLC write speeds still drop after cache exhaustion
- No hardware AES encryption
- Factory heatsink adds height — may conflict with some motherboard shields
- NVMe 1.3 protocol, not NVMe 1.4


## Verdict

The Corsair MP600 Core 4 TB is the capacity where QLC PCIe 4.0 starts to justify itself. The 3,950 MB/s writes, 630K random read IOPS, and a large pseudo-SLC cache make this the most consistent performer in the Core lineup. Add 800 TBW endurance and a five-year warranty, and it becomes a strong contender for a high-capacity game library or media drive. The catch is the double-sided PCB, which rules out some laptops and single-sided M.2 slots. If your system can accommodate it, and you value capacity and price-per-GB over absolute peak write speed, the MP600 Core 4 TB is a practical alternative to pricier TLC options like the Samsung 990 Pro 4 TB. Content creators who constantly write large files should still lean toward TLC; everyone else will find little reason to pay more.

## Frequently Asked Questions

### Is the Corsair MP600 Core 4TB good for gaming?

It is well-suited as a game library drive. The 4,950 MB/s read speed and 630K random read IOPS deliver game load times on par with TLC PCIe 4.0 drives — the difference is within measurement noise. At 4 TB, you can store 40 or more large AAA titles. The one caveat is installation speed: while the large pseudo-SLC cache handles most game downloads, unpacking enormous day-one patches (50+ GB) may briefly hit the QLC write cliff. For pure gaming use, this is among the best value-per-GB options available.

### Is the Corsair MP600 Core 4TB compatible with the PS5?

Physically it fits the PS5 M.2 slot as a bare drive (remove the factory heatsink first — the PS5 has its own heatsink requirement of no more than 11.25 mm total height). However, Sony recommends drives with 5,500 MB/s or higher sequential reads, and the MP600 Core tops out at 4,950 MB/s. It will function and load games, but it does not meet Sony's recommended speed tier. For a dedicated PS5 expansion drive, consider the Sabrent Rocket 4 Plus 4 TB or Samsung 980 Pro 4 TB instead.

### Does the Corsair MP600 Core 4TB have DRAM?

Yes. The 4 TB model includes 2 GB of SK Hynix LPDDR4 DRAM, which holds the flash translation layer mapping table in fast memory rather than reading it from QLC NAND. This is essential for a 4 TB drive where the mapping table is large — without DRAM, random access performance would degrade significantly as the controller hunted for mapping data across the dense QLC array.

### What is the TBW endurance of the Corsair MP600 Core 4TB?

The 4 TB model is rated for 800 TBW (terabytes written), backed by a five-year warranty. That equals roughly 438 GB of writes per day over five years. For a drive that will primarily store games, media files, and documents — where most operations are reads — this is extremely generous headroom. Even writing 100 GB per day (unusual for a consumer) would take 22 years to exhaust the rated endurance.

### Is the Corsair MP600 Core 4TB double-sided?

Yes. The 4 TB model uses a double-sided PCB with NAND packages on both sides of the board, unlike the 1 TB which is single-sided. This means the drive is thicker (approximately 3–4 mm for the bare PCB) and may not fit in laptop M.2 slots that only accept single-sided drives. Desktop motherboards and the PS5 should have no issue with clearance, though you should verify your laptop's M.2 slot specification before purchasing.

### How does the MP600 Core 4TB compare to TLC drives?

On reads, the difference is negligible — 4,950 MB/s is competitive with TLC PCIe 4.0 drives. On writes, the MP600 Core matches TLC drives within the pseudo-SLC cache but drops to roughly 80–150 MB/s when that cache exhausts, while TLC drives typically sustain 500–1,500 MB/s on their native flash. The endurance gap is also significant: 800 TBW vs. 1,200–2,400 TBW on comparable TLC drives. For read-heavy workloads (gaming, media storage), the MP600 Core is a practical value choice. For write-heavy content creation, TLC is worth the premium.

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Last updated: 2026-05-17. Source: https://ssdrive.net/corsair-mp600-core-4-tb