Corsair MP600 Pro XT Hydro X 4TB — Massive Water-Cooled NVMe SSD
The Corsair MP600 Pro XT Hydro X 4TB combines flagship PCIe Gen4 bandwidth with custom-loop water cooling to sustain 7100 MB/s reads across a massive 4 TB of TLC storage.
The 4 TB variant of the MP600 Pro XT Hydro X is the high-capacity flagship of Corsair's water-cooled SSD lineup. The underlying silicon is the same proven Phison E18 controller paired with Micron 176-layer 3D TLC NAND that powers the air-cooled MP600 Pro XT, delivering rated sequential reads of 7,100 MB/s and writes of 6,800 MB/s over a PCIe 4.0 x4 NVMe interface. What sets the Hydro X apart is its integrated XM2 water block, which plumbs the drive directly into a custom liquid cooling loop using standard G1/4 fittings.
At 4 TB, this drive targets users who need serious storage volume — content creators managing multi-terabyte 4K and 8K video projects, enthusiasts with sprawling game libraries, or professionals who require fast scratch disk space. The larger capacity also carries a significantly higher endurance rating of 3,000 TBW, double the 2 TB model's 1,400 TBW, which reflects the extra NAND dies spreading the write wear. Random 4K performance reaches 1 million read IOPS and 1.2 million write IOPS, with the DRAM cache buffer keeping address translation latency low even as the drive fills up over time.
The water-cooling advantage becomes more relevant at this capacity precisely because the larger SLC cache allows longer sustained write bursts before the controller heats up. On an air-cooled drive, a multi-hundred-gigabyte file transfer might push the E18 past 70 °C and trigger thermal throttling. With water circulation pulling heat directly off the controller and NAND package, the Hydro X variant avoids that ceiling entirely, maintaining peak write speeds until the SLC cache itself is exhausted.
Installation requires a complete custom cooling loop — reservoir, pump, radiator, tubing, and coolant — making this a product for builders who already invest in water cooling. The XM2 block's aesthetic matches Corsair's broader Hydro X ecosystem. For PS5 owners, the physical water block makes this drive incompatible with the console's M.2 slot, so the 4 TB air-cooled MP600 Pro XT is the appropriate choice there.
✅ Storage Comparisons:
🚀 Performance and benchmarks
Sequential bandwidth peaks at 7,100 MB/s read and 6,800 MB/s write — the ceiling of what PCIe 4.0 x4 can deliver. The Phison E18 controller leverages eight NAND channels and hardware LDPC error correction to push the Micron 176L TLC NAND to its limits. Random 4K performance of 1 million read and 1.2 million write IOPS ensures that everyday tasks like OS boot, application launch, and file indexing feel instantaneous.
Corsair MP600 Pro XT Hydro X 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.
- PNY XLR8 CS3140 1 TB: 7,500 MB/s read, 5,650 MB/s write
- PNY XLR8 CS3140 2 TB: 7,500 MB/s read, 6,850 MB/s write
- Asgard AN4 512 GB: 7,500 MB/s read, 5,500 MB/s write
- Asgard AN4 1 TB: 7,500 MB/s read, 5,500 MB/s write
- Corsair MP600 Pro XT Hydro X 4 TB (this drive): 7,100 MB/s read, 6,800 MB/s write
The water cooling does not increase peak speeds beyond what the air-cooled MP600 Pro XT achieves. Its benefit is entirely in sustained performance. Under a prolonged sequential write workload, an air-cooled E18 drive typically reaches thermal throttling within minutes, dropping write speeds to protect the silicon. The Hydro X's water block keeps controller temperatures dramatically lower — independent tests of E18 water cooling show 20–30 °C reductions — meaning the drive sustains its rated 6,800 MB/s write speed for the full duration of the SLC cache window. For large video rendering exports or database workloads, this thermal consistency is the primary reason to choose the Hydro X over a conventionally cooled alternative.
🖥️ Endurance and warranty
Corsair provides a five-year warranty on the MP600 Pro XT Hydro X 4TB, matching the coverage on the rest of the MP600 Pro XT lineup. The endurance rating is 3,000 TBW for this 4 TB capacity, which works out to roughly 1.6 TB of writes per day over the warranty period — substantial headroom for professional content creation and heavy desktop use. The warranty covers manufacturing defects in both the SSD PCB and the integrated Hydro X water block. Corsair's warranty terms explicitly exclude data loss, and damage caused by coolant leaks from a custom loop may void coverage, so proper loop testing and maintenance are essential. MTBF is not separately published for this SKU.
📊 Specs
| Category | Value |
|---|---|
| Capacity [?] | 4 TB |
| Interface [?] | M.2 4.0 x 4 |
| Controller [?] | Phison PS5018-E18 |
| Memory type [?] | Micron 3D TLC |
| DRAM [?] | 1GB DDR4 |
| Read speed (MB/s) [?] | 7100 |
| Write speed (MB/s) [?] | 6800 |
| Read IOPS [?] | 1000000 |
| Write IOPS [?] | 1200000 |
| Endurance (TBW) [?] | 3000 |
| MTBF (million hours) [?] | n/a |
| Warranty (years) [?] | 5 |
Conclusion
The Corsair MP600 Pro XT Hydro X 4TB is the ultimate expression of PCIe 4.0 SSD cooling — a water-blocked, 4 TB TLC drive with 3,000 TBW endurance that eliminates thermal throttling for users who already run custom liquid cooling loops. It delivers identical peak speeds to the air-cooled variant but sustains them longer under heavy write loads. The requirement for a full custom loop limits its audience, and the premium price means you are paying for thermal engineering rather than raw performance gains. For builders with Hydro X infrastructure, it is a compelling completion piece.
+ Pros
- 4 TB of Micron 176-layer TLC with 3,000 TBW endurance
- Water cooling eliminates E18 thermal throttling
- 7,100 MB/s read and 6,800 MB/s write speeds
- 1 million read and 1.2 million write IOPS
- Five-year warranty from Corsair
- Hydro X G1/4 fitting ecosystem compatibility
- Cons
- Requires complete custom water cooling loop
- Premium price over air-cooled 4 TB alternatives
- Peak speeds match air-cooled MP600 Pro XT
- Not compatible with PS5 M.2 expansion slot
🛒 Buy this or similar SSD Storage:
✨ Video Review
This Product is a Meme - Corsair MP600 PRO Hydro X water-cooled SSD
