# Corsair MP600 Pro XT 4TB PCIe 4.0 NVMe SSD Review (2026)

The Corsair MP600 Pro XT 4TB represents the upper tier of PCIe 4.0 NVMe performance, combining Phison E18 power with 3,000 TBW endurance that outlasts most competitors.

Quick answer: Buy the Corsair MP600 Pro XT 4TB if you need maximum PCIe 4.0 speed with high endurance and do not mind the height of the included heatsink. It is an excellent choice for PS5 expansion, a Steam library drive, or a video editing scratch disk where sustained write performance matters. Skip it if you are building a compact ITX system or need the absolute fastest random IOPS for database work. Consider the WD Black SN850X if you want slightly better random performance, or the Samsung 980 Pro if you prefer a slimmer profile without the pre-attached heatsink. The MP600 Pro XT delivers where it counts: sustained throughput and endurance that justify the price for 4TB buyers.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 4 TB |
| Interface | M.2 4.0 x 4 |
| Controller | Phison PS5018-E18 |
| Memory type | 3d TLC |
| DRAM cache | 2GB DDR4 |
| Sequential read | 7100 MB/s |
| Sequential write | 6800 MB/s |
| Random read IOPS | 1000000 |
| Random write IOPS | 1200000 |
| Endurance | 3000 TBW |
| MTBF | 2000000 |
| Warranty | 5 years |

## Performance

Rated at up to 7,100 MB/s sequential reads and 6,800 MB/s writes, the MP600 Pro XT 4TB hits the practical ceiling of PCIe 4.0 x4. Random performance comes in at up to 1,000,000 read IOPS and 1,200,000 write IOPS. That translates to faster game load times versus SATA SSDs and snappier OS responsiveness. In real-world use, you are looking at boot times under 10 seconds and level loads that do not leave you waiting.

The SLC caching strategy lets the drive burst at high speeds for everyday tasks. Most consumer workloads never exceed the cache. If you do push past it with sustained writes, the MP600 Pro XT drops gracefully rather than plummeting. Independent testing shows it maintains roughly half to two-thirds of its rated speed even after the SLC buffer exhausts, which is better than many PCIe 4.0 drives that fall back to SATA-like speeds.

Gaming performance is excellent but comparable to other high-end PCIe 4.0 drives. DirectStorage titles will benefit from the throughput and IOPS, but you will not see a dramatic difference between this drive and a Samsung 980 Pro in frame rates. The advantage shows in texture streaming and open-world load elimination.

## Endurance, TBW & Warranty

Corsair backs the MP600 Pro XT 4TB with a 5-year warranty. The endurance rating is 3,000 TBW, meaning you can write 3,000 terabytes before the warranty is voided. That is substantial for a consumer drive. At a typical 50 GB per day write workload, it would take over 160 years to exhaust. Even heavy users writing 200 GB daily get around 40 years. Most people upgrade their drive long before hitting that limit.

The warranty is direct with Corsair, which has a reasonable RMA process. TBW is the primary limiting factor, not time. If you exceed 3,000 TBW within five years, the drive is no longer covered. Realistically, only enterprise workloads or constant scratch-disk usage in professional editing would approach that. For gamers and creators, this endurance rating is overkill in the best way.

## Pros and Cons

**Pros:**

- 7,100 MB/s sequential reads and 6,800 MB/s writes
- 3,000 TBW endurance on the 4TB model
- Phison E18 controller with mature firmware
- 2GB DDR4 DRAM cache for consistent performance
- Substantial aluminum heatsink pre-attached
- Sustained write performance remains strong after SLC cache fills
- 5-year warranty with high TBW rating
**Cons:**

- Tall heatsink may not fit all ITX builds or PS5 without modification
- No hardware encryption
- Price premium over DRAM-less PCIe 4.0 alternatives
- Power consumption higher than PCIe 3.0 drives


## Verdict

Buy the Corsair MP600 Pro XT 4TB if you need maximum PCIe 4.0 speed with high endurance and do not mind the height of the included heatsink. It is an excellent choice for PS5 expansion, a Steam library drive, or a video editing scratch disk where sustained write performance matters. Skip it if you are building a compact ITX system or need the absolute fastest random IOPS for database work. Consider the WD Black SN850X if you want slightly better random performance, or the Samsung 980 Pro if you prefer a slimmer profile without the pre-attached heatsink. The MP600 Pro XT delivers where it counts: sustained throughput and endurance that justify the price for 4TB buyers.

## Frequently Asked Questions

### Is the Corsair MP600 Pro XT 4TB good for gaming?

Yes, the MP600 Pro XT 4TB is excellent for gaming. With 7,100 MB/s read speeds and 1,000,000 read IOPS, it loads games faster than any SATA or PCIe 3.0 SSD. In practice, you will see reduced level load times and faster texture streaming in open-world titles. The 4TB capacity gives room for dozens of modern AAA titles, which often exceed 100GB each. For PS5 specifically, this drive meets Sony's recommended requirements and fits with its heatsink, though you should verify your PS5 expansion slot height.

### Does the Corsair MP600 Pro XT have a DRAM cache?

Yes, the MP600 Pro XT 4TB includes 2GB of DDR4 DRAM cache. DRAM is important for maintaining consistent performance because the drive uses it to map where data is stored on the NAND. DRAM-less drives rely on Host Memory Buffer (HMB), which is slower. The presence of a full DRAM cache means the MP600 Pro XT performs well even when the drive is nearly full, and random read/write operations stay snappy. This is one reason it costs more than budget PCIe 4.0 options.

### What is the TBW endurance of the 4TB MP600 Pro XT?

The Corsair MP600 Pro XT 4TB is rated for 3,000 TBW (terabytes written). That means you can write 3,000 terabytes of data to the drive before Corsair's warranty coverage ends. At 50 GB per day, that would take roughly 164 years. Even at 200 GB per day, which is heavy usage, you get over 40 years. Most users will never hit this limit. The high TBW rating reflects the quality of the 3D TLC NAND and makes this drive suitable for professional workloads like video editing where you might write hundreds of gigabytes daily.

### Is the Corsair MP600 Pro XT 4TB compatible with the PS5?

Yes, the MP600 Pro XT 4TB is compatible with PS5 as an expansion drive. It meets Sony's requirements: PCIe 4.0 NVMe, 5,500+ MB/s read speed, and dimensions that fit the expansion slot. The included heatsink is effective but tall, so you should check that your PS5 has clearance. Sony's official compatibility list does not include every drive variant, but this drive has been confirmed working by the community. Installation requires removing the PS5 cover and the expansion bay cover, then seating the drive properly.

### How does the MP600 Pro XT compare to the Samsung 980 Pro?

Both are flagship PCIe 4.0 drives with similar performance. The Samsung 980 Pro uses Samsung's proprietary Elpis controller and TLC NAND, while the MP600 Pro XT uses the Phison E18 controller. Sequential speeds are comparable at 7,000+ MB/s. The MP600 Pro XT includes a heatsink; the 980 Pro typically does not. Endurance is similar at 3,000 TBW for the 4TB models. Samsung may have slightly better random IOPS, but Corsair often prices lower. Real-world difference for gaming and typical use is minimal. Choose based on price, heatsink preference, and brand loyalty.

### Does the MP600 Pro XT need a heatsink?

The MP600 Pro XT ships with a substantial aluminum heatsink pre-installed, so you do not need to buy one separately. The heatsink is necessary because the Phison E18 controller can run hot under sustained load, which would cause thermal throttling and reduced performance. If you install this in a motherboard that already has a built-in M.2 heatsink, you might need to remove one to avoid fit issues. The included heatsink adds height, so check clearance in small form factor builds.

### Is the 4TB version faster than the 2TB or 1TB MP600 Pro XT?

Larger capacities in the MP600 Pro XT line generally offer higher endurance and sometimes better sustained performance due to more NAND die for parallel operations. The 4TB model has the highest 3,000 TBW rating, compared to 1,400 TBW for 2TB and 700 TBW for 1TB. Sequential read and write speeds are the same across capacities at 7,100 and 6,800 MB/s respectively, but real-world sustained writes after the SLC cache fills may be faster on the 4TB. If budget allows, the 4TB gives you the best endurance and performance consistency.

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Last updated: 2026-05-23. Source: https://ssdrive.net/corsair-mp600-pro-xt-4-tb