# Corsair MP700 Pro XT 2TB — The Mainstream PCIe 5.0 Sweet Spot (2026)

The Corsair MP700 Pro XT 2TB is a PCIe 5.0 NVMe drive built on the Phison PS5028-E28 controller with Kioxia BiCS8 218-layer TLC NAND, rated at 14,900 MB/s sequential reads, 14,500 MB/s writes, and 2,700,000 read IOPS.

Quick answer: The Corsair MP700 Pro XT 2TB is the strongest configuration in the Pro XT lineup for most buyers. The step up from 1TB delivers three compounding improvements: 300 MB/s more sequential write bandwidth, 1.8 million additional read IOPS, and doubled endurance headroom — all while doubling available storage. Those gains are meaningful for creators moving large files, developers working with large datasets, and enthusiasts who want the most capable single drive in their build.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 2 TB |
| Interface | M.2 5.0 |
| Controller | Phison PS5028-E28 8 Channel |
| Memory type | Kioxia BiCS8 218-L TLC |
| DRAM cache | Yes |
| Sequential read | 14900 MB/s |
| Sequential write | 14500 MB/s |
| Random read IOPS | 2700000 |
| Random write IOPS | 3300000 |
| Endurance | 1400 TBW |
| MTBF | 2000000 |
| Warranty | 5 years |

## Performance

The Corsair MP700 Pro XT 2TB is rated at 14,900 MB/s sequential reads and 14,500 MB/s sequential writes under PCIe 5.0 x4. The 2TB write speed is 300 MB/s faster than the 1TB's 14,200 MB/s, a direct result of more NAND die operating in parallel. This advantage is most noticeable in sustained large-file write workloads: the 2TB's larger pSLC cache absorbs more data before transitioning to native TLC write speeds, and the native TLC write rate is itself higher due to greater parallelism.

For random access, Corsair rates the 2TB at 2,700,000 read IOPS and 3,300,000 write IOPS. The asymmetric IOPS profile — write IOPS exceeding read IOPS — is characteristic of the Phison E28 architecture, which is specifically engineered for high random write density through its internal buffer design. The 2TB's 2,700,000 read IOPS is substantially higher than the 1TB's 1,500,000, reflecting the additional NAND die parallelism at this capacity. For workloads dominated by random read depth — game shader compilation, database reads, OS paging — the 2TB has a tangible IOPS advantage over the smaller variant.

Power draw sits at approximately 4–6.5W average for the 2TB under active workloads, slightly above the 1TB due to more NAND die drawing current simultaneously. This remains well below the sustained power levels of E26-based competitors, which frequently exceed 9W under sequential writes. The copper thermal layer in the product label and the E28's comparatively modest power envelope together allow the drive to maintain rated speeds under typical consumer workloads without requiring an active cooler. For extended sequential-write sessions at high ambient temperatures, a standard M.2 thermal pad or low-profile heatsink keeps temperatures within the controller's comfortable operating range.

## Endurance, TBW & Warranty

Corsair backs the MP700 Pro XT with a 5-year limited warranty across all capacity variants. The 2TB model carries an endurance rating of 1,400 TBW — exactly double the 1TB's 700 TBW, in line with the proportional scaling Corsair applies across the lineup. At 30 GB per day written, a typical desktop workload, 1,400 TBW represents over 127 years before reaching the rated limit. At 100 GB per day — characteristic of active content creation — that extends to approximately 38 years. Even demanding workflows writing 500 GB per day would take nearly eight years to exhaust 1,400 TBW, meaning the 5-year warranty clock will expire first for virtually every buyer. The 2TB endurance headroom is large enough to make this drive viable for video capture, large archive workflows, and other write-intensive professional use cases that would more quickly strain the 1TB's 700 TBW budget. Corsair processes warranty claims directly through its established RMA system, with coverage available across major Western markets through Corsair's retail and online distribution network.

## Pros and Cons

**Pros:**

- 14,900 MB/s sequential reads — full PCIe 5.0 x4 bandwidth
- 14,500 MB/s sequential writes — 300 MB/s faster than the 1TB model
- 2,700,000 read IOPS — substantially higher than 1TB due to increased NAND die parallelism
- 1,400 TBW endurance with 5-year warranty across all capacities
- Kioxia BiCS8 218-layer TLC with 2GB SK hynix LPDDR4 DRAM
- Phison E28 (6nm) runs at 4–6.5W — cooler than first-gen E26 Gen5 drives
- Larger SLC cache than 1TB: better sustained-write performance at high queue depths
**Cons:**

- Premium PCIe 5.0 pricing; limited real-world benefit over Gen4 for gaming and OS use
- No heatsink included — relies on copper label layer and motherboard thermal pads
- Up to 6.5W average power draw under sustained loads — slightly higher than the 1TB
- PCIe 5.0 requires a Gen5-capable M.2 slot for full rated speeds — older platforms cap at Gen4
- Competing E28-based drives offer similar hardware at potentially lower street prices


## Verdict

The Corsair MP700 Pro XT 2TB is the strongest configuration in the Pro XT lineup for most buyers. The step up from 1TB delivers three compounding improvements: 300 MB/s more sequential write bandwidth, 1.8 million additional read IOPS, and doubled endurance headroom — all while doubling available storage. Those gains are meaningful for creators moving large files, developers working with large datasets, and enthusiasts who want the most capable single drive in their build.

The 2TB is the right buy over the 1TB for anyone whose use case regularly involves sustained sequential writes or large NAND-parallel random-read workloads. It is the right buy over the 4TB when budget matters — the 4TB commands a significant premium for capacity that most users will not fill. Buyers coming from a current PCIe 4.0 drive used primarily for gaming or general desktop tasks should calibrate expectations: the Pro XT's bandwidth advantage is real in benchmarks, but day-to-day OS responsiveness and game load times will improve marginally if at all. The upgrade case is strongest for those who move data at scale.

## Frequently Asked Questions

### What are the sequential read and write speeds of the Corsair MP700 Pro XT 2TB?

Corsair rates the MP700 Pro XT 2TB at 14,900 MB/s sequential read and 14,500 MB/s sequential write under PCIe 5.0 x4, measured at queue depth 32. The 2TB write speed is 300 MB/s faster than the 1TB model's 14,200 MB/s, a result of more NAND die operating in parallel and a proportionally larger pSLC write cache at this capacity. Sequential read speed is identical to the 1TB at 14,900 MB/s.

### What NAND does the Corsair MP700 Pro XT 2TB use?

The MP700 Pro XT 2TB uses Kioxia BiCS8 218-layer 3D TLC NAND — the same flash generation as the 1TB variant. BiCS8 is Kioxia's current production-tier TLC, offering higher bit density than the earlier BiCS6 and BiCS7 generations. The 2TB model pairs this NAND with 2GB of SK hynix LPDDR4 DRAM for logical-to-physical address mapping — double the 1TB's 1GB, scaled at Corsair's 1GB-per-TB DRAM ratio.

### What is the TBW endurance rating for the MP700 Pro XT 2TB?

Corsair rates the 2TB model at 1,400 TBW (terabytes written), covered under the drive's 5-year limited warranty. At 30 GB written per day — a typical desktop workload — 1,400 TBW represents over 127 years before reaching the rated limit. At 100 GB per day (active content creation), the endurance budget lasts approximately 38 years. For users writing 500 GB per day, it would take nearly eight years to exhaust 1,400 TBW. In practice, the 5-year warranty period will expire well before the TBW ceiling is reached for the vast majority of buyers.

### How does the 2TB compare to the 1TB in the MP700 Pro XT lineup?

The 2TB improves on the 1TB in three measurable ways: sequential write speed increases from 14,200 to 14,500 MB/s; random read IOPS increase from 1,500,000 to 2,700,000; and endurance doubles from 700 to 1,400 TBW. Sequential read speed (14,900 MB/s) and write IOPS (3,300,000) are identical across both capacities. The improvements are driven by the 2TB's greater number of NAND die, which increase both write-channel parallelism and the size of the pSLC write cache. DRAM also doubles, from 1GB to 2GB of SK hynix LPDDR4.

### Does the Corsair MP700 Pro XT 2TB need a heatsink?

Not for typical consumer workloads. The drive ships without an aluminium heatsink but includes a copper thermal layer in the product label for passive heat spreading. The Phison E28 controller's 6nm process keeps power draw at 4–6.5W average under the 2TB — manageable with the thermal pads built into most modern M.2 slots. For sustained sequential-write sessions in builds without any M.2 thermal contact, a low-profile aftermarket heatsink is a sensible addition. Active cooling is not necessary for gaming, OS use, or general file transfers.

### What controller does the Corsair MP700 Pro XT 2TB use?

The MP700 Pro XT uses the Phison PS5028-E28 — an 8-channel PCIe 5.0 controller built on TSMC's 6nm process. The E28 is the successor to the 12nm E26 that powers Corsair's earlier MP700 Pro and competing drives like the Crucial T705 and Seagate FireCuda 540. The 6nm process is the primary improvement: the E28 operates at 4–6.5W typical at 2TB versus the 6–9W common on E26-based drives, translating to lower operating temperatures and better sustained-speed consistency without active cooling.

### Is the Corsair MP700 Pro XT 2TB compatible with a PS5?

Yes. The MP700 Pro XT 2TB is an M.2 2280 drive that fits the PS5's M.2 expansion slot. Sony requires a minimum sequential read of 5,500 MB/s for the expansion bay; the Pro XT exceeds that by a wide margin. In the PS5, the drive operates at PCIe 4.0 speeds — the console's M.2 slot is Gen4 — so the full PCIe 5.0 bandwidth is not used. Performance remains far above Sony's minimum requirement. A thin-profile heatsink is recommended for PS5 installations to comply with Sony's thermal guidance.

### How does the Corsair MP700 Pro XT 2TB compare to the Crucial T705 2TB?

Both are PCIe 5.0 NVMe drives with DRAM caches at the 2TB tier, but they use different controllers. The T705 uses the Phison E26 (12nm); the MP700 Pro XT uses the newer E28 (6nm). The E28's process advantage gives the Pro XT better thermal behaviour and lower sustained power draw — relevant in builds without active M.2 cooling. Sequential read speed is comparable across both drives, while the Pro XT leads on random write IOPS. Both carry 1,400 TBW endurance at 2TB and a 5-year warranty. The T705 uses Micron 232-layer NAND versus Kioxia BiCS8 218-layer on the Pro XT; real-world performance differences between the two are small.

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Last updated: 2026-06-16. Source: https://ssdrive.net/corsair-mp700-pro-xt-2-tb